Teaching About Hurricanes
Oblique Investigation: Two
directions
Initiating learning from
hurricane experiences, and careful consideration for trauma
Students already have knowledge of hurricanes, but the knowledge may be based on the ferocity of hurricanes; it is very likely that the knowledge is linked to trauma if the children live, or have lived, in areas where hurricane weather occurs frequently.� TheyI studying we will bring with them to class their experiences, and may very likely want to express them.� Encouraging children from these types of areas to write journals and create artwork provides them with a reflective outlet for feelings and ideas that they have; teachers can use creations to access the state of the class with respect to trauma.
Their experiences will make them curious about weather, and their reflections of their experiences to the class will help create a teachable moment.�� Teachers can use this opportunity to teach about weather in a way that involves the students� experiences in their learning, and helps create knowledge they can use to resolve feelings they have about the devastation wrought by hurricanes.
Since the knowledge may be
associated with trauma, the students� reflection of their experiences needs to
happen as an unhurried and voluntary flow.�
Students may relate their memories to the class, or they may choose to
confide in the teacher.� There is very
little a teacher, or anyone else, can do to directly heal the effects of
trauma.� In cases where their
experiences have been traumatic enough to cause anguish and personal pain,
solutions obviously lies outside the class with healing professionals; extreme
suffering usually requires anti-depressant medication to prevent damage from
the resurgence of the memories.
The reflection of the
trauma process is necessary; the idea that the trauma can be separated from the
student while the student is sitting in the class, and therefore ignored, is
the thinking of purely detached teachers attempting to side-step
responsibilities.� The types of
expressions teachers are famous for initiating, are the beginnings of group
involvement and community; they are a basis of what we appreciate as the human
experience: its suffering and joys.
The oblique approach to
teaching about hurricanes, and resolving hurricane trauma issues, involves a
study of weather from a typical earth-science approach.� As the topics become sophisticated, concepts
can connect to allow students to begin to form a picture of how weather systems
interrelate to create the ferocious that cause so much hardship.
As students initially
reflect their experiences, teachers, in a parallel process, can begin to create
plans for study.�� Noting expressions in
student journals and art is important in helping teachers can know if students
are going to experience trauma symptoms; it is important to try to predict the
trauma resurgence known as flashbacks.�
There can be an implosion of memories that is, in itself, highly
damaging.
An important
responsibility lesson for students is introduced when they learn about the
realities extreme weather.���� The
responsibility they learn is about self-preservation in the context of the
hurricane; they become self-determinant with respect to their lives.� The focus of the learning is on
responsibility (and science) in relation to life.� Students can also learn about areas of study that they may want
to pursue as careers through the diverse learning associated with studying
about hurricanes.
The concepts that the
students present, in their reflections of weather, can be valuable clues to
help teachers create experiments to initiate the studies: the basis of the
understanding of weather by children can lead to community acceptance of the
reality of hurricanes.
Because of the scope of
weather studies, it seems unlikely that students will introduce the concepts
that can be used to directly approach the central concept of weather: that all
weather is affected by other weather, by other elements of the physical nature
of the Earth, and even by things in space.
Likewise, the traumatic
nature of hurricane studies requires that the study process be scaffolded to
prevent too many realities from being presented simultaneously.� In the classical sense of scaffolding,
students have to be shielded, somewhat, from the central issues.� Yet, they need to begin to start knowledge
building skills of webbing, really concept building, to be able to eventually
tackle weather concepts from a holistic, or general systems theory,
approach.� In their study of weather
will be much conceptual grasping and required learning.� Physics and math are essential for weather
learning.�
Social and personal
perspectives will eventually be addressed especially if the community is
involved.� How things will play out for
the students personally, and for the community as a whole, will become
questions that possibly lead to independent and relevant inquiry and project
oriented resolutions on the community level.�
Certainly, the best-known
hurricane experience, the Katrina disaster, will become a topic at the
community level if the community is invited into the learning process.� Teacher preparedness to field these issues,
by channeling them in a proactive direction, can prevent dissolution into
conceptual disorder triggered by the traumatic nature of hurricanes and
experiences with their aftermath.�
Teachers may want to introduce questions into the general study at
relevant points if certain concepts don't come up naturally as part of a
long-term inquiry and study.
Knowledge Organization
�
Webbing: Students create
webs with their personal concepts of weather
�
Computers: Introduce
web searching, email, keeping notes, using word-processing, creating web pages.
�
Group Organization: Show
students how to create work stations to experiment with their concepts,
allow groups to form as students gravitate towards interests
�
Class Work: Observe
the workgroups, re-form workgroups to diversify interests and talents, note
inquiry to create mini-projects by designing experiments, explore
mini-conceptualization
�
Individual Work: Identify
solo learners and self starters, find community mentors and experiments from
long term study plan
�
Concept mapping: Introduce
the structural ideas behind concept mapping--complex structures.� Discuss the nature of concept maps; use the
discussion as a continual re-grouping space to tie the projects into a single
weather system understanding.
Initiating the Project
Cycle (First concepts - child science)
�
An Experiment: Rain
experiment
�
Development of First Experiments: Creating
rain
�
Developing as Scientific Fact: Measurements
in rain experiment
�
Solidifying the Learning: Building
concept maps
Allowing ideas by the
children, and young students, to guide initial experimentation is never wrong,
no matter how childish their ideas seem.�
There are no wrong answers by students in their initial inquiry phases
because they are applying inquiry to the world as they see it.� Rather thinking of them as being wrong,
think of their ideas as "intelligently wrong." (Ault from Shapiro, p
21)� In developing ideas and presenting
them, students have taken an important step: they are taking responsibility for
their learning.
Knowledge organization
consists of skills; exciting progress has occurred in the advancement of these
skills in the past two decades to help students successfully, quickly, and
enthusiastically build knowledge.� This
is in the area of webbing, or the concept maps, and in computers.� The seemingly new ideas brought to the class
by the constructivists are also helping students build knowledge, but they are,
in reality, a revival of traditional community values.� Today, in Canada, the Aboriginal Television
Channel every day has programs where modern Native philosophers discuss tribal
community relationships and traditional therapies that would seem radical even
for constructivists and Humanists.
Completely new to our
generation, I believe, is the concept map.�
Teaching concept mapping, group dynamics, and rudimentary research
techniques--teaching to learn through project science--might require a didactic
class in the beginning to introduce knowledge organizational techniques,
concept mapping software, and also mind mapping software.� If using computer technology, an
introduction to the structural ideas behind the concept maps, complex structures
may also be helpful.� The use of concept
maps can be a continual re-grouping space to tie the projects into a single
weather systems understanding.
Combining the initiation
process of the learning cycle while introducing rudimentary knowledge
organization skills may provide a chicken-and-egg conundrum.� It would be conceptually perfect to allow
students, as their first weather experience, latitude to use their natural
curiosity along with guidance to provide them with some sort of ground shaking
epiphany (from a child's perspective) to initiate their learning.� But, so important are the organizational
skills and responsibilities for group learning, that it seems necessary to
provide an instructional introduction to assure that disruptive behaviors and
other tendencies that may undermine group learning don't redirect the learning
process to the point that the teacher is spending more time correcting
behaviors than guiding inquiry.
Ideally, students should
become curious about weather, auto-magically picking the topics on which to
test their conceptual understandings, coming to the correct conclusions and
inserting their new knowledge into their knowledge trees.� With practice, this will likely happen,
especially if the students are introduced to knowledge organization at the
early stages, say kindergarten or the early grades.� More likely, however, the teacher will have to provide
guidance.� She may have to start with an
obvious example, creating an experiment, recording information and, with all
the learning, create a concept map.
Many students succeed
within the classic scientific corollary of observation, hypothesizing, and
experimentation; many older middle school students have stronger abilities than
most adults have in the classical scientific methodology.� A middle school student created a web page
showing a correlation between clouds and temperature, which, at least for the
conditions during the study, proved her hypothesis that clouds make the
temperature cooler. (Erika)
A good percentage of
students will study science at home individually or in pairs.� They individually will wonder conceptually
in ways that need to be initiated in classes; their inquiry can be naturally
self-guided.� Their work will very
likely be perfect contributions for the class knowledge structure.� Sadly, in today's society, their work may go
unnoticed, may be deliberately ignored, or may even be discouraged.� In Bonnie Shapiro's experience, fully half
of her study group worked at home, yet the teacher was unaware of their
work.� In particular, two, Melody and
Pierre, implemented aesthetic concepts into their scientific learning in ways
society has yet to integrate, by appreciating nature as approaching science,
and by illustrating science learning in the ways Darwin did. (Shapiro, 152)
Teachers need to carefully
empower the student group with a positive and inclusive learning environment to
draw every student towards scientifically valid concepts, both factual building
blocks as well as social constructs.�
Many students may come to school already having been exposed to
disruptive or controlling behaviors, the types experienced in highly
competitive or abusive family environments, or even in prisons.
The simplest weather
experiment, probably, is creating rain in a glass jar.� If the lid of a jar has attachments to the
inside of it so that vapor can condense and drip, water can be heated at the
bottom to be vapor, and condensed with cold at the top, by putting ice on the
lid, to show that rain is cyclically evaporated and condensed water.� A concept map, or web, for this construct
can be created on paper or with magnetized cards connected with lines drawn on
the board.� Measurements may be applied
to demonstrate the conservation of matter through the process, introducing some
required learning.� Concept mapping
techniques can be applied to the idea of a closed system without any difficult
constructs to complicate early learning.�
Students bored by the simplicity of the experiment can be encouraged to
design more complicated experiment designs; students bored by the simple social
construct can be invited to develop better concept maps or facilitate a group
learning structure.
Constructs develop first
on paper; then they go to the board.� As
students become familiar with computers, they can start building the concept
tree.� Misconceptions start giving way
to group learning, as student working in groups tend to eliminate resistance to
accepted scientific ideas simply by developing consensus through their
experiments.� In some teaching
environments that have used group project science for decades, misconceptions
may not even exist, because a culture of scientific discovery has been
developed in the student community; their community science is scientifically
based.� Even through schoolyard play,
the youthful community may have already implemented knowledge construction as a
component of their culture.�� (White)
Ideas flowing into the concept map have to be accepted as established science at the top level of the map construct, so that the map is valid in its basic premise.� While the discovery of non-valid ideas within the root ideas (or nodes) of the concept map may be a valuable lesson in correcting misconceptions, building knowledge based on fundamental misconceptions introduced by students (and permitted by teachers to allow students to correct their own misconceptions), may also be a huge waste of time and resources.
Maps develop over a long
period so that the basic concepts can be accepted as fact throughout the
community.� The mapping process has to
be sophisticated so that idea constructions can be shared with other weather
learners, and published so that the community can give recognition.� Storage and access are important too so that
the students can continually build and reference their information.� It is probable that existing mapping tools
do not yet meet these needs.� Students
may have to develop their own concept sharing skills, something entirely doable
at the high school level, in my experience.
Making weather learning
sophisticated
Wind, rain and clouds are
obvious components of weather and storms; they can work towards the study
hurricanes (without mentioning it by name yet), students can easily identify
rain and wind as ingredients of a storm.�
Understanding where rain
comes from, and how it relates to clouds, offers plenty of challenge to
students.� Interesting are the related
ideas of the water cycle, how water evaporates from water bodies (such as
oceans), forms into clouds to return to Earth (and oceans) as rain.� Initially, many students associate clouds,
along with thunder and lightening, with God.�
Sometimes they think clouds are man-made and that they are smoke.� As they learn the idea of change-of-state where
water vaporizes forming clouds and the water returns to earth as condensation.� Here they can explore many ideas, especially
understanding that air is matter; initially children only assume that solids
are matter. (Henriques)� They usually
believe water turns into air as it vaporizes, which is technically correct, but
they can enhance that evaporation concept by knowing that water vapor molecules
combines with all the other invisible molecules that make up air.� A demonstration of the water cycle can be
constructed within a closed aquarium.�
One half of the aquarium has a pool in it with a heat source such as an
over head lamp.� The other half has
cooling applied to the cover so that the water vaporized by the heat source
will condense and fall back on to the aquarium floor.� A miniature mountain range with valleys can add aesthetics to the
learning.
(University Program for Atmospheric Research)
As they become expert in
understanding the water cycle, students will realize that water vapor is clear
and colorless, yet becomes white when it forms clouds; they then understand
clouds are really made from tiny water droplets, just as fog is.� Fog can be created with an ultrasonic
humidifier; it can be poured into a pitcher and dumped over a model town for
effect.� Clearly, fog sinks with
gravity; water droplets are heavier than air, which will explain rain.� But, why do clouds stay aloft?� One obvious reason is that updrafts of air
push the vapor up, but what holds the masses of droplets there?� Water when it vaporizes absorbs heat at its
source, when it condenses it releases heat to the surrounding air.� The combined air and water droplet
suspension maintains the same warmth (or heat) it had when it rose as air and
water vapor from its water source.� As a
difficult concept to absorb, this learning may have to wait to become a
completely formed idea in the weather concept map.
Introduction of the water
cycle, along with the concept that air has matter and is a combination of
things helps bring students closer towards the idea of weather as the
interactive system: the holistic (or general systems) approach to science.� The idea of air as being matter extends the
study of air to the study of wind; if air has mass, moving air, or wind, has
force.� The idea that air can exert
static pressure has to wait; it is not until later middle school that static
force can be absorbed.� Understanding
the static force of air is essential, because of the barometric components of
weather formation and measurement.� With
all these steps, students move towards becoming experts in hurricane
understanding.
While students can develop
basic components, such as wind, rain, and the clouds; other ideas such as the
relationships between these, require teacher prompting.� Truly sophisticated ideas such as the water
cycle need more teacher guidance.�
Having been prompted and guided, the learners can discover and
experiment until they get stumped.� When
perplexed, they may accept scientific explanations as holdovers to satisfy them
until they can provide their own proofs.��
The more scientific ideas students can accept, the more quickly they can
move on, allowing more sophisticated learning to challenge them.� Interactions between groups from different
grades may allow more expert students to help younger students clear out some
of the less accurate of the intuitive understandings they brought to school.
Crucial for students is
the ability to create science they can embrace, so that they may be the
initiators of their own experiments, or the owners of the research information
they synthesize from valid research material they have collected.� They can return to their group, with its
accumulated weather knowledge, to find areas that perplex them, necessitating
clarification.� They can contribute
individually or in small groups, gaining from the group confidence, returning
an air of credibility and expertness to the group as a whole.� Wide-ranging understandings utilizing
science is a social atmosphere can help the group weather all kinds of
challenges, not just the extreme weather they have, or may, in the future,
experience.�
It is unlikely that
students will initiate inquiry into the larger weather system concepts,
because, as systems, they are dependent on so many contributing factors.� They may be able to initiate inquiry about
the smaller concepts, creating mini-projects from the greater concepts (there is
no shame in mini-learning as weather as it is represented in the concept map is
a construction of mini-systems.)� Group
success, from the perspective of the concept map, is in finding mini-learning
so as to be able to take ownership of successful inquiry; hence the insertion
of valid concepts in the groups accumulated knowledge.� For group inclusion, it would be necessary
for every student to have their name on at least one successful inquiry; it may
be necessary for the teacher to supply inquiries to those students unable to
initiate their own inquiry by finding things they cannot understand in the
greater learning.� It may be also
necessary for teachers to assist in the resolution of inquiries to assure that
students have work they can be proud of, to give them confidence to initiate
new inquiry.� None-the-less, these
inquiries, or mini-projects, have to be studies comprehensive enough to all the
available talent in the group, there needs to be a slight �division of labor�
to assure that everybody is doing tasks they can enjoy and succeed at.
Knowledge development
cycles
As the general
understanding of weather becomes more comprehensive, individual understandings
become smaller in comparison to the big picture.� Cycles of inquiry and concept development become shorter as the
students become more expert at weather studies and their knowledge organization
skills improve.� Group effectiveness is
also important as students become more involved and responsible, and the more
confident students learn how to encourage the less confidant students to be
more productive, giving them the boost they need to succeed.
Truly successful projects
in all science fall into development cycles.�
A good point of evaluation for a project is when a component of the
project, or the whole project, is delivered or presented.� For science project learners, this would be
when a significant understanding is contributed to the concept map.� An interesting point for inserting required
math learning is when students evaluate their successes in knowledge
creation.� In a sense, failure can be
avoided by allowing students to re-initiate their mini-projects so as to be
able to reinforce their learning, as well as produce results worthy of
recognition.� If students can repeat
their learning in cycles, ultimately achieving complete success, their
evaluation benchmarks can be very strict: the kind of evaluation criteria
scientists use.� Generally referred to
as milestones, quantifying progress in cycles may be an opportunity to
introduce embedded required math learning as part of progress analysis.� Graphs, for instance, can be introduced to
allow students to show levels of improvement; Concepts of statistics can be
introduced to help them understand their rates of growth.� They will be very interested in measuring
their success because their studies are so significant in their lives.
A contributing text about
teaching standards by Firestone, Schoor and Monfils provides an excellent
scenario where a teacher encourages inquiry in the statistical analysis field
by handing out M&Ms.� She asked
students to discover trends in the occurrences of candies of different
colors.� The teacher gave each student a
bag of M&Ms and had them create graphs showing the numbers of each color of
candy in the bags; one student was able to extend the idea to developing mean
values, so the teacher extended this boy�s concept to explain statistical
basics.� She gave the students
opportunity to develop their own scientific learning, and of course, not lost
on the students is a tasty reward for participating in the learning.
(Firestone, Schoor, Monfils, 1)�
Breaking learning into bite-sized tasks makes them more consumable, but
learning is best achieved in the context of relevant meanings; such as when
they develop criteria for their own success.
Measuring mini-projects
for success at the arrival of each milestone essentially seeks to find what
level the inquiry has satisfied scientific needs to be a valid component of the
accumulated knowledge, or the knowledge tree.�
Sometimes an inquiry will be too difficult for the students who are
younger.� Other times direct
experimentation may have to yield to researched knowledge: teachers will have
to use their discretion in amending the evaluation process to assure that
students remain confident and enthusiastic; success from the inquiry
perspective is always achievable with future mini-projects, or at future
milestones.
Individual mentoring,
community learning
While the concept where
human capital is created by separating students into groups by ability has no
place in project science, there is the reality that many, if not most, students
will not graduate from college.� For
them, the community is their place; many will likely settle into trades work
sooner than college-bound students will take professional positions.� They may have already settled into a trades
future, and they are waiting to graduate from high school.� Or, they may just leave school to start
working.� For them, education may work
best in community mentoring environments; they need to develop science that
they can take to the workplace; they need to have an interest in science as,
historically, science and math have been the process by which their futures
have been limited.� Science and math
have deliberately used to create controlled diversity in the supply of human
capital--cheapened humans.� Students
thus affected are not unaware of this; they just unable to counter act it.� (Roberts, Ostman, Leif, 175)� To help them implement science and math in
their lives and workplaces, weather instrumentation is perfect learning; it
combines trades skills with understanding and accuracy.� Along with gaining recognition in the
learning community, they can experience recognition in the trades community
which they may soon join.� Economic
desperation (thought of as low Synergy), with accompanying dishonesty, has
resulted in repressed local economies in every nation; science in the community
can contribute ideas of honesty with the introduction of scientific accuracy as
part of developing scientific knowledge.�
As mentoring projects progress from early inquiry stages to expertness,
the instruments themselves, and the data collected may make the community teams
valid parts of the greater scientific community; satisfying a community requirement
from education: a connection with science.
In an apprenticeship
environment, there should be no separation from the groups working in the
schools.� The embedded required
learning, especially with respect to math skills, needs to be evaluated at milestones;
the apprenticeship projects are experimental and scientific in purpose.� These projects can be initiated with the
confidence that many scientific concepts will be introduced to the community
from the school, the ideas of responsibility and the further discussion about
the social and political realities of hurricanes will go a long way to flow
conceptual understandings into the community.�
Interests in life-long learning by families and the community will encourage
attendance in community colleges.
Encapsulating scientific
learning into mini-experiments is part of building instrumentation.� Mentors, if chosen from workforce, may want
to create tools most efficiently, accidentally excluding student discovery from
process.� In these cases, limited budgets
may actually be beneficial, by encouraging resourcefulness on the part of
students to create components from cheaply available materials.� Students can take further ownership of
projects by utilizing the web to get information about building projects.
As instruments become
sophisticated, as students rise from novice to expert, instruments may become
part of a network for collecting weather data.�
In Britain, Royal Meteorological Society scientists network with schools
(BBC Weather); amateur networking through Internet very likely already
exists.� There are socially organized
rescue organizations, especially ham radio clubs, who may be interested in
networking with schools.� Still, student
projects need to remain focused on inquiry, and continually need to return to
the development of concept maps to assure the efficacy of group learning;
educators have to structure all the mini-projects around the cyclic development
process.
Because learning to learn
is the goal, mentors have to be open to student discovery; they have to be
patient with younger learners.� Very
likely, mentors, especially if they are retired educators, may assist in
supplying initiating inquiry ideas, and may already have scaffolding experience
to help less confident learners.�
Weather instrumentation
Creating scientific
instruments as part of inquiry from available materials, rather than purchasing
them at significant cost, will create enthusiasm among fiscal leaders.� There is a surplus of old schools created by
the centralization of school systems by school boards; they can be utilized,
filled with experimentation equipment, both for measuring weather and exploring
other natural sciences.� Local
communities already own these structures; abandoned shopping malls are also
legally available to communities; abandoned generally have huge ceilings,
available power, adequate ventilation, strong floors, and parking.
Alternative learning
occurs in libraries, museums, at home in home schooling. (Falk, p 171) �Here, ownership and self-reliance and fiscal
responsibility can combine with community ownership as existing structures can
be revitalized to be a combination of alternative learning locations with
greater community access at far less expense than museums and libraries, if
volunteer mentors are utilized.�
Community self-reliance, fiscal responsibility, and activities for kids
(and by kids) are benefits to the community which will be recognized by the
community, giving mentors the social status of expert.� Once again, existing top-down organizations
have to be avoided; the focus needs to be on the students and their projects
rather than the organizational needs of local clubs.� The ownership must belong to the project groups; the potential
for the expansion of social control may be too much of a temptation for
existing community groups, they may attempt to hijack the process for their own
social control purposes.� In project
science, as with all education, the student is the boss; students have
"full veto power," and they have the ability to create and destroy
science; it is, after all, their education. (Polman, 135)� They must be given
every opportunity to understand the benefits of science education and be shown
that the benefits will help them immensely in their lives.
The science of hurricanes
At some point, it will
become apparent to students that hurricanes are the focus topic; they will
become aware of the importance of understanding hurricanes.� This will very likely happen at a point when
they can, probably as a group, psychologically accept the levels of hurricane
ferocity and the nature of hurricane destruction.� The teachers and community may need time to acclimate to the
ideas; but the acceptance of the reality of hurricanes is necessary to a
community that may experience full-on weather.
Technically defined: hurricanes are
"cyclones of tropical origin with wind speeds of at least 118 kilometers
per hour; they are large, rotating storm, where the winds move around a
relatively calm center called the �eye�." Each storm usually has a life
span of several days."� (Canadian
Hurricane Center)� The hurricane season,
the period most likely to experience hurricanes, is from June to November in
North America; in the North Atlantic, it is September.
Hurricanes, like all
storms, are born of low pressure; air rushes to a low-pressure area, to even
the pressure.� Usually low-pressure
areas are warm and, therefore, create updrafts.� Over the ocean, warm water also warms the air above it, adding to
the updrafts.� When the mass of raising
warm air reaches heights with significantly lower pressures, the air expands
lowering the temperature.� The water
vapor in the air changes state; the air mass becomes supersaturated with cooler
water molecules as in fog, or breath on a cold day.� Collisions between the suspended water molecules in the
supersaturated air mass joins them to form droplets.� The water molecules scatter sunlight (and moonlight) giving these
newly formed clouds their whitish appearance.�
Also, tiny particles in the atmosphere, such as dust and smoke, are
attractive to water molecules; the combining of water and particles in the
clouds helps initiate the droplet forming process.� If clouds become very cold, the water vapor changes state to ice
rather than water; rather than forming as raindrops, the molecules become ice
crystals to be turned into rain drops as they fall to altitudes with warmer
temperatures where they melt.� As
droplets get heavy by colliding and combining, gravity pulls them to earth,
creating turbulence in the surrounding air, causing more water molecules to
collide forming droplets.� The water
vapor molecules, when they form droplets, release the warmth they absorbed when
they evaporated from the ocean surface.�
As the droplets fall by force of gravity, the remaining air mass rises
with the heat left by the condensed and now descending water molecules.� The rising of the remaining air creates
powerful updrafts, increasing the size of the clouds, pulling up more water
from the ocean surface in the form of vapor.�
Water molecules may change state between liquid, gas, and ice many times
depending on the wind activity and differing conditions within in the clouds
before the molecules become heavy enough to fall to the Earth.� The air molecules that surrounded the water
in the fog-like cloud suspension now have the warmth that was released by the
condensing water vapor, as well as the original warmth from the warm ocean from
where the water first evaporated.� As
water droplets fall, the remaining air, still a suspension of water and gaseous
air, rises.� The rising air develops
into powerful updrafts of wind.
Ingredients needed for a Hurricane
�
Warm waters
�
Air cools as you go higher
�
Wind must be blowing in the same direction from 0 to
9,000 meters up
�
Must be 500 Km away from the equator, to start spinning
Hurricane forming: http://www.msnbc.com/news/wld/graphics/hurricane_dw.htm
(Frost)
Creating hurricane conditions: http://www.nhc.noaa.gov/HAW2/pdf/canelab.htm
(NOAA)
Hurricane building strength: http://www.nasa.gov/mov/49983main_cloud.mov
(Chohan)
When conditions are right to create
huge updrafts of air, the spinning of the earth has the effect of starting a
swirl in the clouds; this is called the Coriolis effect.� As increasing amounts of warmth are added to
this swirling cloud mass, a tropical storm is born; in many places they are
called cyclones.� If conditions are just
right, the storm will absorb increasing amounts of water.� Meteorologists say the storm pumps water
into itself, adding to its size and power.�
Only a journey north to cooler waters, or a landfall, cutting off the
water supply, can slow the storm building process when a tropical storm reaches
hurricane levels.� Rising air moves
outward from the top of the hurricane to make the whorl of clouds that can
extend for hundreds of miles.
Coriolis force: Objects are deflected
to one side because of the Earth's rotation.�
The object is going straight, but the Earth moves beneath it, making it
move to one side.� In the Northern Hemisphere,
the Coriolis force deflects objects to the right.� Sending a ball rolling on a spinning merry-go-ground will
demonstrate this deflection.
Coriolis demonstration:
http://archive.ncsa.uiuc.edu/Cyberia/DVE/coriolis/coriolis.mov
At, or very near, the center of the
hurricane is the eye.� When the eye of a
hurricane passes over a region the winds decrease to just a gentle breeze, is
surprisingly calm and the rain stops.�
Someone standing in the eye may even be able to see the sun during the
day or the stars at night.� The eye wall
is the area surrounding the eye; the heaviest rain, strongest winds and worst
turbulence are normally within the eye wall.�
At the center of the storm, the eye is the lowest pressure area; the low
pressure pulls water upward, forming of slight dome of water under the
eye.� This rise of water combines with
other effects to create the storm surges that create floods when the storm
reaches land.� Waves of ocean water
converge under the eye creating even worse conditions for boats.�
Creating a hurricane eye: Students can
observe spiraling in the tub, when they open the drain.� There are significant differences between a
hurricane's spinning and the whirlpool created by the water; in a hurricane the
motion is upward, not down the drain, and that the Coriolis force is far less
significant in this experiment; most likely, physical features of the tub will
determine spin direction.� Also, a fun
experiment is to fill a plastic bottle with water and insert the mouth of it
into an empty bottle with a slightly larger mouth.� As the water transfers between bottles, dramatic spinning is
created.� Physically, the spinning more
resembles a waterspout, which is only a distant cousin of a hurricane,
waterspouts; a waterspout is the offshore sibling of the tornado.� Vorticity is the term for the measure of
local rotation in a fluid flow: the spin of a fluid.
As almost a joke, there are safe and
unsafe halves of hurricanes: navigable, and unnavigable.� When I was a young sailor, I was voyaging
with a seasoned crew on a big schooner.�
We experienced Agnes, a then famous hurricane that traveled unusually
far north--fortunately we were ashore at the time and the boat was safely
docked at the traditional sailing fishermen's haven of Point Judith, Rhode
Island.� Being safe, we chuckled about
the safe and unsafe terminology for hurricane sections.� Since hurricanes can move in a linear
direction as fast as, say school buses, and since they spin much faster, often
at the speed, of a small plane, half the hurricane (at a point normal, or
perpendicular, to the directional path) will likely have an effective speed of
an airplane minus the speed of a school bus.�
Likewise, the other half, the unsafe half, may experience a speed of the
airplane plus the school bus (at its respective normal point).� More commonly, the worst part of a hurricane
is referred as the right front quadrant (RFQ), especially in relation to
landfalls.
Hurricanes weaken and die as they lose
their source of warmth from the ocean, along with needed water vapor.� Hurricanes suffer a quicker death over land,
starved for vapor; or slowly as the move north into the mid-latitudes, more
from heat loss.� The size of the
circulation usually expands the speed of the maximum wind decreases, and the
distribution of winds, rainfall, and temperatures become more homogenous.
Wind
Wind is produced by heat and
pressure.� A part of the atmosphere that
has lower pressure will suck in air molecules with force that creates
wind.� The Earth's surface, made of land
and water, gets heated unevenly by the Sun.�
Sometimes this is because of the angle of the Sun with respect to
latitude, the cause of seasonal change; sometimes it is because of the nature
of the surface of the Earth.� Differing
temperatures cause air to rise and fall.�
As air masses travel as a result of pressures and temperature around the
world, they form predictable currents of air.
Students can measure wind much as
scientists do.� With small paper cups (3
or 4), straws for arms, and base with a low friction support, such as a pin, an
anemometer can be build quickly and cheaply.�
The speed of the anemometer will be proportional to the speed of the
wind; students can easily see that different rotational speeds relate to different
wind speeds.
The wind speed can be
estimated with simple geometry, if the students can count the number of
rotations of the spinning section to determine the RPM.� They would also have to measure the width of
the spinner and calculate its circumference, and with that determine the speed of
the motions of the cups.�
Direction is also important to
measuring wind; students can easily build a compass the way the early
navigators did using a magnetized needle resting on a light object floating in
water.
To further
sophisticate the anemometer, a very small direct current generator might be
constructed by attaching fragments of super magnets to the spinner and
measuring flux in the field it creates as it moves.� This would bring the experiment instrumentation closer to expert
level; drawing in other disciplines along with them more required learning.
My experience with Hurricane Agnes, as
a child, was that the wind was coming from everywhere.� Clearly I was experiencing turbulence.� Within the observation of turbulence is much
gaseous molecular study.
Creating Clouds
A sophisticated cloud experiment
involving the pressure, temperature and particulate contributors to cloud
formation can be done easily.� One way
is to fill a 2-liter bottle one-third full of warm water and drop a lit match
into the bottle.� By squeezing the
bottle, increasing the internal pressure, cloud material will appear inside the
bottle.� Decreasing the pressure will
cause the cloud to disappear.� Another,
more controllable version of the same experiment would use a much larger stiff
container and a rubber cover such as a stretched latex glove.
(Crozier)
Measuring Humidity
Students can easily build a
sophisticated psychrometer, though its functionality may elude them.
In such a project, two thermometers
are taped to a surface where one has wet gauze tied to its reservoir end.� A fan blows on the thermometers until the
temperature of the gauze covered thermometer stops falling.� A number is derived by subtracting the temperature
reading of the gauze-covered thermometer from the reading on the other
one.� That number, along with the actual
temperature (from the dry bulb thermometer) is used with the help of a table to
determine the level of humidity in the atmosphere.
Dry
Bulb Dry Bulb minus Wet Bulb (degrees
Celsius)
�C |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
10 |
88 |
77 |
66 |
55 |
44 |
34 |
24 |
15 |
6 |
|
11 |
89 |
78 |
67 |
56 |
46 |
36 |
27 |
18 |
9 |
|
12 |
89 |
78 |
68 |
58 |
48 |
39 |
29 |
21 |
12 |
|
13 |
89 |
79 |
69 |
59 |
50 |
41 |
32 |
22 |
15 |
7 |
14 |
90 |
79 |
70 |
60 |
51 |
42 |
34 |
25 |
18 |
10 |
15 |
90 |
81 |
71 |
61 |
53 |
44 |
36 |
27 |
20 |
13 |
16 |
90 |
81 |
71 |
63 |
54 |
46 |
38 |
30 |
23 |
15 |
17 |
90 |
81 |
72 |
64 |
55 |
47 |
40 |
32 |
25 |
18 |
18 |
91 |
82 |
73 |
65 |
57 |
49 |
41 |
34 |
27 |
20 |
19 |
91 |
82 |
74 |
65 |
58 |
50 |
43 |
36 |
29 |
22 |
20 |
91 |
83 |
74 |
67 |
59 |
53 |
46 |
39 |
32 |
26 |
21 |
91 |
83 |
75 |
67 |
60 |
53 |
46 |
39 |
32 |
26 |
22 |
91 |
83 |
76 |
68 |
61 |
54 |
47 |
40 |
34 |
28 |
23 |
92 |
84 |
76 |
69 |
62 |
55 |
48 |
42 |
36 |
30 |
24 |
92 |
84 |
77 |
69 |
62 |
56 |
49 |
43 |
37 |
31 |
25 |
92 |
84 |
77 |
70 |
63 |
57 |
50 |
44 |
39 |
33 |
(Miami Science
Museum)
Air Pressure
Air is commonly thought of as a column
when discussing air pressure.� Air is
kept on the Earth by gravitational attraction; the molecules of air in the
column are pulled down on top of each other.�
The greatest pressure is at the bottom of the column because the bottom
is where downward pressure of all the molecules higher in the column is
summated.� While air pressure columns
may be difficult to measure in a classroom, water pressure changes
significantly in short columns.� There
are similarities between liquids and gasses with respect to pressure and
motion, and there are also interactions between gases and liquids that can be
used to explore weather related physics with opportunities for adding more
required learning.
To measure air pressure, a barometer
can be built from a jar covered with an impervious flexible membrane.� A straw, with a toothpick at the end, glued
to the membrane surface will rise and fall with pressure changes in the
atmosphere, and can be calibrated with an index card securely mounted.
(Cub
Scout Leaders� Roundtable)
Another version, easier to calibrate,
can be built with long glass tube sealed at one end, a beaker, and colored
alcohol.� The glass tube is filled with
the alcohol, as is the beaker.� The open
end of the gas tube is inserted into the beaker.� There will be air at the top of the tube; obviously the entire
device has to be secured.� The height of
liquid in the column will change measurably.
Calibrating these devices with respect
to weather conditions creates a relationship between weather and ambient air
pressure.� The first device is harder to
use, but more portable; hence a better project for expert design improvements.
Temperature
Convection and radiation are
components of heat and temperature useful for understanding weather.� The sun is, of course, radiative, and
convection is how heat transfer is described in weather itself.� The updrafts that create clouds are thought
of as upwardly moving columns and are called convection cells.� The opposite movement is called subsidence.
Thermometers are so available and
accurate that building one will not necessarily encourage expertness; but
students still may learn by building one.�
A thermometer can be built from a pipette and a test tube with water in
it with a snug stopper connecting them.�
Air can be removed from the pipette by inverting the device and tapping
the pipette.
Waves
From the shore, water seems to move in
waves towards you.� While waves move
toward the shore, water moves but stays very much where it is.
Motion of waves: http://www.coastal.udel.edu/faculty/rad/linearplot.html� (Dalrymple)
Students can make waves in water by blowing on the
water; a bent straw might be helpful.�
Stronger blowing would presumably create bigger waves.� Energy is transferred from moving air to
water; if they use a clear container, students can see this, and possibly
measure the waves in relation to blowing.�
Students can also see that the waves move, but water remains more or
less in the same place. If you watch closely, you'll see that the water stays
mostly in the same area; it's the disturbance caused by your breath that's
moving across the water.
These small waves would, nature, be first stage of
ocean wave formation.� In a small lake
on a windy day, students can see waves moving across the lake in the same
direction as the wind.� During a windy
day at the lake, students can see choppy erratic waves combine to form bigger
waves.
The cyclic motion of water particles in waves
changes with water depth, and, as waves increase in height, the water particles
do move forward a little with each cycle; this forward motion is called the
Strokes drift.
Wind speed is an obvious influence
over waves; also the length time wind has blown over an area and size of the
area the wind blows over.� The length of
a windy area is called fetch.� Waves are
measured by height from the very top (crest) to bottom (trough);
length between peaks (or crests);
steepness by angle (or slope) between crest and trough; and period, the length
time between the passage of crests over a fixed point.
These factors influence each other; a smaller
fetch will limit the size of the biggest waves irrespective of the length of
time the wind has been blowing.
Waves build and destroy beaches; beaches tend to
be built slowly over time, and removed by bad conditions.
Beach building waves, called constructive waves,
come from conditions producing a long fetch; they have low height and a long
wavelength and a low frequency.� As they
approach the beach, they rise slowly, creating gentle swash, or water flowing
up the beach after a wave arrives.�
Water percolates slowly through the beach material, usually sand,
allowing for little backwash or the return motion that pulls material off of
the beach.� Material moves up the beach
forming ridges called or berms.
When conditions cause a shorter fetch,
peaks are higher and the wave motion has a higher frequency (as in a hurricane)
destructive waves form. The already high peaks of these waves are driven higher
as the wave approach the beach, causing them break dramatically, disrupting the
beach material.� There is little forward
motion of the waves, the motion is mostly vertical, and the resulting backwash
rapidly pulls off material and collides with the swash of the next wave to
arrive, inhibiting the arriving wave from its ability move material up the
beach.
Storm surge is an important topic in hurricane
discussion; it results from wind, waves and the inverse barometric effect that
causes the dome of water that rises under the eye of the hurricane.� When these contributing forces approach the
shore, the effects of the waves and the inverse barometric effect water rise
become more dramatic.� A high tide can
also contribute to storm surge, as can shallow coastal water at the point of landfall.� The worst storm surge conditions happen when
the right front quadrant (RFQ) hits land before the rest of the hurricane.
The storm surge effect includes waves and
flooding.� The other contributor to
flooding is rain.� Effectively, the
hurricane becomes a huge pump sucking up water into its mass though low
barometric pressure near the center, and dumping it again as rain.
Hurricane Terms (Canadian
Hurricane Center)�
�
Tropical Cyclone: The generic term for the class
of tropical weather systems, including tropical depressions, tropical storms,
and hurricanes.
�
Tropical Depression: A tropical cyclone with
maximum sustained surface winds less than 63 kilometers per hour.
�
Tropical Storm: A tropical cyclone with maximum
sustained surface winds 63 kilometers per hour to 117 kilometers per hour.
�
Tropical Wave: A kink or bend in the normally
straight flow of surface air in the tropics which forms a low pressure trough,
or pressure boundary, with showers and thunderstorms. Can develop into a
tropical cyclone.
Guidance
The success of my
Hurricane Katrina research and political action group showed how a valid
clearinghouse operated in a group format could actually correct ideas in
perception to the point of creating scientific reality from social constructs.� In working with adults, as different from
children, there may be political motives behind the development of
misconceptions; self-named political representatives may be inserting lies to
disrupt the knowledge building process for completely unobvious reasons.� This may even occur in groups of children,
though the disruptive behavior, in my experience, can always be directly traced
back to a family member, usually a parent.�
Through my experiences in the Katrina forum, and my analysis of social
issues, disruption of the truth-seeking process seemed to be the common thread
to all conflicts between group members.�
The reasons behind the disruptions are difficult to understand; it is
possible that the ideas behind community and knowledge building constructs are
produced by schisms in perception--not misconceptions, but the product of
unchecked thinking disorders.� In my
experiences in construction environments, bipolar behaviors in managers, and
self appointed straw bosses, often influenced the working group into doing
dangerous activities.
God
From what I have learned,
it is nearly impossible to separate the community from the educational process,
though school boards often operate in defiance of community desires.� I studying weing
weather misconceptions, we learn from many researchers that children often
explain clouds, rain, and lightening purely in terms of God.� The existence of God in weather perceptions
clearly comes from the community.� They
succeed in pushing God to a higher level, allowing them to accept the
individual causation of weather.� Some
of the areas hardest hit by the extreme weather of hurricanes (and tornadoes)
are in the Bible belt; as I have learned, the ideas of God in relation to
science cannot be ignored in these communities.� Ideally, students raised with fundamental religious beliefs will
put their conceptions of God in a place where He does not conflict with weather
concepts and required learning.� Again,
in my experience, I don't think God will mind.�
Very likely, the socially scientific group learning organization will
help students have a tolerant approach to others' views of creationistic or
orginistic ideas; a goal of nearly all spiritual leaders in the world.
PTSD
Hurricane Andrew
In terms of hurricanes, it
was only with Hurricane Andrew in the early 1990s that trauma from extremely
destructive weather was professionally observed in children.� The American Psychiatric Association,
the APA, refers to Hurricane Andrew as being an early locus for the study of
trauma in children.� They state there
that they found that "about 30 percent of the Florida children
demonstrated moderate to severe levels of PTSD one year after the
hurricane."� Years later, "40
percent of them continued to report moderate to severe PTSD symptoms."
(APA Monitor)� Moderate symptoms are
life altering; severe symptoms are nearly paralyzing.
Trauma has always existed, yet the
trauma disorder is only two decades old as a diagnosis.� The APA admits that
only recently has the experience of trauma has been professionally recognized
as a threat to children; previously their psychiatrists believed that children
were unaffected by traumatic experiences, or forgot them.� Now, with
the full implementation of the Information Society through the Internet,
anecdotal information has arrived in the form of individual testimonials from
teacher on discussion forums.�
Communities may want to strengthen psychological knowledge in their
communities by sharing their own research, as well as their own experiential
constructs, much as middle school students can develop and share weather
knowledge.
Teachers and Hurricane Katrina
Lacking personal experience with
hurricane disasters, and not having as contacts teachers and younger students
from hurricane prone areas, I relied on a Texas educators' forum where teachers
discussed their experiences with students in the wake of the Katrina hurricane
and New Orleans flood evacuation.
Web forums have been a big part of my
life; my Katrina forum is the basis of an Information Society study.� Generally, in moderated forums and on
mailing lists, members are genuine about their writing; interactions tend to be
short-lived so there is little time for personal conflict to develop.� As a form of scaffolding, much is hidden
during web interactions; personal conflicts rarely arise.� Most Internet discussions are short-lived;
once the members have expressed themselves, activity dies down and the discussion
threads become a useful reference.� Calm
well ordered groups are good sources of information; problems in discussion
groups which can skew or distort the building of knowledge will usually be
obvious.� Disruptive members of
discussion forums may damage otherwise valuable discussions; yet the forum, as
a whole, may still stand as excellent source for locally gathered information.
Texas middle school teacher Vanessa
posted first, describing a student, Susan, who "unexpectedly
appeared" in her classroom two days after Katrina; she had not notified
beforehand about Susan�s status.�
"I found myself stumbling unawares into the sensitive nature of her
arrival, in front of the entire class," she said.� (Katrina Education Resources)
Vanessa said Susan began classes with
"attentiveness and diligence." �However, Vanessa "noticed her progressively going
downhill."� Susan explained to
Vanessa that she was overwhelmed by the stress of adapting to her new
surrounds; she had been evacuated to a household of twelve. She became
"increasingly apathetic" and made no attempt to do school work.� The school counselor suggested Vanessa call
Susan's home.
Vanessa said she felt she "made a
blunder in my approach to Susan" when she "pulled a brief excerpt of
President Bush's televised Sept. 15th New Orleans address for the purpose of
analyzing with students the President's use of rhetorical strategy and literary
device."� Vanessa recalled that
Susan started muttering "angry comments" under her breath.� But, in the end of the class, there was a
positive effect: Susan opened up and broke her apathetic silence when she
corrected Vanessa's� "pronunciation
of a parish in the President's speech--the particular parish had been her
home" and recounted "memories of her home after the
destruction."� Susan made a
positive turn; the class discussion helped break "Susan's shell."
"Since then," Vanessa
commented, "Susan's efforts have been improving, but they are really hit
and miss."� "I am really at a
loss as to what I ought to expect of her-- emotionally, academically,
behaviorally--- everything.� I would
really enjoy some feedback," she continued.
Anita, another Texas teacher
replied:� "It is difficult to know
what to expect from our students who are evacuees. Some were more traumatized
than others and each with his/her own set of situations. This is my thought on
this however. Be patient. As it sounds with your student, there is a lot of
anger and unresolved emotions. Be a listener."
"Again," Anita continued,
"your student is coming to you with dialogue. Maybe a good outlet would be
some journaling."� She went on,
"allow her to show you her creativity. Her mind is not education at the
moment, and it is showing in her lack of effort. I have one student like that
and I just talk with her when I can about her situation."�� "She failed for me the first six
weeks,� but Anita said "I don't focus so much on pressuring her about her
grades as much as talk with her. I did give her a different writing assignment
than everyone else which she seemed to be interested in - her experience with
Hurricane Katrina."
Vanessa especially liked "the
ideas about journaling and offering the student some creative
outlets."� Vanessa admitted that
was "trying to get her to make up a major assignment that the students had
done before her arrival and which we have been using in class for weeks, but I
think now that Hurricane Katrina was not fair."�� "I think I'm getting some good brainstorms about a creative
project that the student could substitute for an out-of-class project we have
underway."
Another teacher, Lori, recounted her
own hurricane experiences when she was a middle school on an army base in
Biloxi: "We had to evacuate twice," she said, "The idea of a
journal is wonderful.� I think the key
is gaining the trust so she feels you aren't going to disappear like the rest
of her world did."� "You may
have to physically go get her to bring her in for help, or assign a buddy to do
so and encourage the friendship."�
"Spend some time with casual conversation. You may find out more of
what is going on with her by reading between the lines.� Gaining her confidence and trust will be the
key. With this, will come the request for help."
Teacher Debbie reported more than
apathy problems, the hurricane evacuees in their middle school classes were
breaking down in significant ways.� One
from New Orleans was "in the crying stage and weeps at the first sign of
any conflict."� Another was from
Port Arthur, which was hit by hurricane Rita, yet experienced an orderly
evacuation in contrast to New Orleans.�
He was in shock and reacting with anger, and was continually starting
fights.� "I find myself being a
referee all day with discipline issues," Debbie said.
Teacher Juan reported that his evacuee
students had "friends or family members with disabilities that they and
their friends are greatly concerned after what happened with Katrina and
Rita."� He wanted to know about
"any good talks or lessons that can be given to help address these issues
and help ease these concerns?"�
A reply he got was from George:
"Be very careful.� If you aren't
trained to deal with students that are facing depression or are experiencing
emotional trauma it's best to send them to the counselor."� He went on, "You're there to teach them
the class you're signed up for not to solve all their problems.� It sounds like you're trying to help but be
careful you don't cause more stress and also problems for yourself."
George clearly did not give a helpful
answer, yet his response is helpful in understanding much of what is wrong with
teaching today.� It reminds me of
resistance by many teachers clinging to didactic methods rather than moving
towards problem solving as mentioned by Firestone,
Schoor and Monfils.� I found
similar responses to requests for materials for teaching critical inquiry in
science on other forums for teachers.�
These types of responses are so similar that it seems as if the same
person were making them.
Bonnie Shapiro would praise the
concerns and experiences of all the teachers (except George) as they are
empathetically trying to assess and resolve Hurricane trauma issues. (Shapiro,
p 128)�� A careful analysis of the
discussion implies that the Texas schools the teachers represent are fairly
advanced in comparison to the New Orleans schools of the evacuee children.� It seemed that academic expectations for the
traumatized children in a "sense of fairness" for the regular
children was actually triggering problems.�
By giving the children individual and expressive projects such as
writing and art creation, teachers helped alleviate their stress.� Since most of the 2005 hurricane evacuee
children wound-up in Texas schools, there would have been little opportunity
for project science ideas to be applied as therapy; Texas has completely
focused education on high stakes testing.�
However, had children been evacuated to Shutesbury, Massachusetts, there
is no doubt that the whole situation would have been turned around; the
children's hurricane experiences would have become class projects, the evacuees
experiences would have become a source for group recognition and personal
pride.
Play
The American Psychiatric Association
states in the previously mentioned article on their web site that
"children who survived Hurricane Hugo in 1989 made pretend trees out of
broccoli at the supper table, then poured gravy all over the 'trees' to mimic
rushing waters ravaging the landscape."�
They say that issues surrounding "post-traumatic play illustrate
the ongoing and often unrecognized emotional struggles children experience
after witnessing massive death and destruction."� (APA Monitor)
Joan Packer Isenberg and Nancy
Quisenberry have written a meta-collection of references called Play: Essential
for All Children; they cite endless reasons for play in education at every
level.� Clearly, since play is fun, it
can only help relieve stress from hurricane disasters.� (Isenberg, Quisenberry)
"Psychoanalysts,"
they say, "believe that play is necessary for mastering emotional traumas
or disturbances; psychosocialists believe it is necessary for ego mastery and
learning to live with everyday experiences; constructivists believe it is
necessary for cognitive growth; maturationists believe it is necessary for
competence building and for socializing functions in all cultures of the world;
and neuroscientists believe it is necessary for emotional and physical health,
motivation, and love of learning."
"Moreover,
play and play contexts support intrinsic motivation that is driven by positive
emotions (Jensen, 1999). Positive emotions, such as curiosity, generally
improve motivation and facilitate learning and performance by focusing a
learner's attention on the task; negative emotions, such as anxiety, panic,
threats, and stress, generally detract from motivation (Santrock, 2003)."
They purport
that "clay, sand, and mud give children of all ages opportunities to
explore changes in form as they mold the substance (Jenson & Bullard, 2002;
Langstaff & Sproul, 1979). Adding water enables the younger child to
observe changes in the substance and the older child to build and form more
complex shapes. Ample opportunity to explore and experiment with these
substances should be provided."
Children affected by stress and trauma
Yule, an UNESCO researcher and
practitioner who studies (and relieves) trauma among children and families as a
result of disaster situations, shows that the APA figures may be
conservative.� In a study based on a sniper
attack on a schoolyard, �40% of the 9-year old children were found to have
moderate to severe PTSD approximately one month after the event."� 14 months later, "74% of the most
severely exposed children in the playground still report moderate to severe
levels of PTSD."� In cases of
sexual abuse he reports that 100% of children suffer from post traumatic stress
disorder, or PTSD. (Yule 1991)�� As
research continues, the percentages of suffering as a result of trauma seem to
rise.� Awareness also needs to rise; there
may be cases where the majority, if not the entirety, of classes may show
symptoms of trauma.
Yule's recent focus has been on war
situations, and is frequently cited.�
This first paper I cite is based mostly on a shipwreck, and its young
survivors.� Ship wrecks are, of course,
more similar to weather disasters than war.
His work also shows how life for children can also be a sort of an ongoing in virtually every environment.� He shows that children, without being granted empowerment, with its related responsibilities, children�s growth can be disrupted by diverse stresses of life.� He shows how group learning can benefit all students, including those who easily succeed, as well as those challenged by stressful circumstances in life.
Some of the high risk
behaviors suffered by children after war are in fact problems experienced by
youth in every poverty-stricken area in American.�
�
Anger
�
Promiscuity, unprotected sexual activity, teenage
pregnancy, prostitution,
�
Alcoholism
�
Drug abuse
�
Family breakdown (Yule, 2001, 4)
Life for youth without support, it
seems, can be like a war.� Should a
hurricane landfall on an already stressed city, as was the case with New
Orleans during the Katrina crisis, the effects would, of course, accumulate. ��
In a significant sense, Yule's work
with children affected by trauma meets the goals set by Hurd for science
education (Hurd, 1).� Yule uses the same
ideas Shapiro developed for successful science teaching, yet project based
learning is never mentioned, nor is constructivism.� He instead discusses debriefing, a
well-used and tested knowledge building.�
Two nearly identical approaches to group learning--project science and
debriefing for children--developed in parallel, presumably unconnected, in
unrelated environments.
�
From Yule:
�
"Where natural groupings exist in
communities and schools, it makes sense� to work �through such groups."
�
"The aims� should include �boosting children's
sense of mastery� and �sharing ways of solving problems."
�
"They are asked about what they thought;� �this
leads naturally into discussions where �children share the various reactions
they have experienced and usually learn that others feel similarly."
(Yule, 2001, 13)
All normal, empathic,
sensitive people are affected by trauma.�
The severity of the trauma combined with social support and the ability
of a trauma victim to return to a positive life will determine how a victim can
absorb, or process, the trauma.
"Clinicians,� Yule says,
"saw all children�s distress as indicating major psychiatric
problems," when, in reality, children in disaster areas are average
children having normal reactions.�
(Yule, 2001, 12)
PTSD is a memory-linked
affliction; the mind, after a trauma, can hide, or bury, the experience.� But as memories resurge into the foreground
of thought, they re-afflict the victim.�
Sometimes this is in the form of memory flashbacks where the experience
is relived as if the person were at a scene of trauma they initially
experienced.� Both the experience and
the flashbacks can devastate the mind, as the affects of the memories are as
powerful as strong illicit drugs, or maybe even more so.
If the memories never come
to the forefront of thought, they live maliciously subliminally, causing other
mental disorders.� Trauma disorders are
not thinking disorders; thinking disorders typically cause a separation of
consciousness from reality such as extensive paranoia or hallucinations.� Trauma disorders are reality based, and can
cause immense mental suffering, yet relief is available through strong social
support and milder anti-depressant type medications.� Extremely severe trauma, especially if untreated, can lead to
thinking disorders, requiring stronger medication and possibly hospitalization.
Part of accepted therapy
is to release the memories from deep consciousness into the thinking arena, so
that they don�t languish.� Flashback
experiences are the release of the hidden memories occurring in such a way that
the relived memories actually cause many of the problems of trauma disorders,
such as depression and panic disorder.�
Panic disorder is best described simply as fear.� Medication can quiet the neuro-chemical
nature of the flashback process to reduce the damage it causes; it can also
relieve feelings of unhappiness and fear caused by both the nature of the
memories as well as the effects of trauma on chemical production within brain.
The strategies involved in debriefing
try to reintroduce the experiences of the disaster so as to acclimatize the
children to the realities that have experienced, in a practice called
desensitizing.� It is a risky therapy
though, as studies have shown that the reintroduction of the frightening
memories, when done too quickly can cause increased suffering.� In one study cited, the therapist managed to
worsen conditions for every trauma victim, well beyond the suffering of the
control group.� �
Yule developed an extensive strategy
for group design, which, could be used to help suffering any stress, and if
modified only slightly it may be useful in every-day classes:
�
Organize so that there are two group leaders
to a group of 10 students
�
Use problem-solving and group-sharing to approach
difficulties
�
Writing and talking about troubling issues will
help students deal with them
�
Reinforce expressions with group support will
build confidence
�
Imagery techniques may help students grasp of
troubling perceptions
�
Relaxing with breathing exercises will help
students deal with anger
�
Scheduled activities with a focus on sleep will
help establish routine
�
Look to the future (Yule, 2001, 12)
�As many as 30-50% of children will
show significant symptomatology after experiencing disasters, at least when
carefully assessed.�� �Sadly,� he says,
�their problems are not always recognized by their parents and teachers.� There is only a slow resolution of the
problems" and that there is also "a strong linear relationship
between the levels of exposure to life threatening situations and subsequent
psychopathology." (Yule 1991)
Children suffering trauma need to
rebuild their lives, giving themselves skills so as develop ideas of a bright
future after experiencing devastation.�
They need to grieve loss, they need to rebuild faith, they need sports
and music; they need to express themselves to reconnect with the events that
shaped their lives in a way that will help them be optimistic.
The Future
After the World Trade
Center attack in 2001, I gave thought to the condition of humanity with respect
to trauma knowing that the 20th Century has been called the century of war and
destruction.� At the last century's
beginning, weapons and munitions became big money makers as steel industry
representatives revealed to each wealthy nation successively the level of
weaponry they just sold to other wealthy nations, revealing also that nation's
vulnerabilities.� This strategy assured
cyclical increases in the levels of weapons and paranoia in the world (Mumford).� Twice the world exploded in world war in the
last century, and a third world war, this time nuclear, was narrowly
avoided.� It appears that continued
trauma is part of the plan for this century as well.� Now, smaller forces have been deliberately inflicting trauma on
populations in the apparently unstoppable strategy of terrorism.�
These war issues are only
related to childhood natural disaster trauma in the generalized sense of the
affliction itself.� Yet, if you consider
an affect by the highly capitalized industries on the environment of the planet
starting about the turn of the last century, there is actually a more tangible
connection.� Highly capitalized
industries have been warming of the Earth's atmosphere measurably since the
late 1800s: the effect known as global warming.
Knowledge that hurricanes
require heat to absorb vapor creates a logical intuitive connection between the
warming of the atmosphere and an increase in hurricane severity and occurrence
over the past few years.� Global warming
is real: the northern ice cap is melting.�
Reports from Canadian coastguardsmen about the sudden navigability of
the polar seas are on Canadian TV almost every day; only a few years ago the
polar ice had been a barrier to foreign maritime intrusion into Canadian
waters.
While the jury is still
out waiting for concrete research material proving a connection between
hurricanes and industrially caused global warming, I think the gut feeling is
that the increasing warmth in the atmosphere is warming the oceans, and hence
increasing ocean-bound extreme weather.�
During my research efforts on the Katrina disaster aftermath, I noticed
that the usual proponents of military might and industrial capital have been
denying the global warming-hurricane occurrence connection in such a desperate
way that I think they too share the suspicions of a connection.
BBC Weather Centre: (n. d.) Become a Weather Detective. Retrieved September 11, 2006 from http://www.bbc.co.uk/weather/weatherwise/activities/weatherstation/
Canadian Hurricane Centre: Glossary of Hurricane Terms.
(n. d.) Retrieved September 11, 2006 from http://www.atl.ec.gc.ca/weather/hurricane/hurricanes9.html
Chohan, R. (2004). Scientists discover clues to what
turns a hurricane into a monster. Retrieved September
11, 2006 from http://www.nhc.noaa.gov/HAW2/pdf/canelab.htm
Crozier, K (n. d.) Weather lesson. Retrieved
September 11, 2006 from http://www.geocities.com/kenneth_crozier/lesson_pdfs/Weather_lesson.pdf
Cub Scout Leanders� Roundtable. (2005)
Webelos Scientist Activity, Air Pressure Experiment� #1. Retrieved September 11, 2006 from http://vanll.m33access.com/AuSable03/AuS_10_03.htm
Dalrymple, R. (n. d.) Velocities under water
waves. Center for Applied
Coastal Research, University of Delaware. Retrieved
September 11, 2006 from http://www.coastal.udel.edu/faculty/rad/linearplot.html
Firestone, W. A., Schorr, R. Y., &
Monfils, L. (2004). The ambiguity of teaching to the test.� Mahwah, NJ:�
Lawrence Erlbaum & Associates.
Henriques, L (2000). Children's
misconceptions about weather: A review of the literature. Paper presented at
the annual meeting of the National Association of Research in Science Teaching,
New Orleans, LA, April 29.� Retrieved September
11, 2006 from http://www.csulb.edu/~lhenriqu/NARST2000.htm
Hurd, P. D. (2000). Transforming middle
school science education; New York: Teachers College Press.
Isenberg, J. P., & Quisenberry, N.
(2002). Play: Essential for all children. A position paper of the Association
for Childhood Education International. Retrieved December 3, 2002, from www.udel.edu/bateman/acei/playpaper.htm.
M., Erika. (1998). How do clouds affect
weather. Timber Ridge Magnet School Online Science Fair. Retrieved September
11, 2006 from
http://collaboratory.nunet.net/timber/scifair/eigthc/13.htm
Miami
Museum of Science. (2000). Make a
Psychrometer. Retrieved
September 11, 2006 from http://www.miamisci.org/hurricane/psychrometer.html
Frost,
C. (2005) Birth of a Hurricane. MSNBC. Retrieved
September 11, 2006 from http://www.msnbc.com/news/wld/graphics/hurricane_dw.htm
Roberts,
Douglas A. ed., and Ostman, Leif ed. (1998). Problems of Meaning in Science
Curriculum. New York: Teachers College Press
Shapiro, B.
L. (1994). What children bring to light: A
constructivist perspective on children's learning in science. New York:
Teachers College Press.
University Corporation for Atmospheric Research. (2002).
Create-a-hurricane.� Retrieved September 11, 2006 from http://www.nhc.noaa.gov/HAW2/pdf/canelab.htm
University Program for
Atmospheric Research (2001). Learn: Atmospheric science explorers. Retrieved September 11, 2006 from http://www.ucar.edu/learn/1_1_2_4t.htm
White, N. (2000) Project-Based Learning and High
Standards at Shutesbury Elementary School. The George Lucas Educational
Foundation. Retrieved September 11, 2006 from http://www.edutopia.org/php/article.php?id=Art_182
Yule, W., & Udwin, O. (1991). Screening child
survivors for post-traumatic
stress disorders: Experiences from the
"Jupiter" sinking. British Journal of Clinical
Psychology,
30, 131-138. Retrieved September 11, 2006 from http://adc.bmjjournals.com/cgi/content/full/archdischild;80/2/107
Yule, W. (September 2002). Alleviating the Effects of
War and Displacement on Children. Traumatology, Vol. 8, No. 3. Retrieved September 11, 2006 from �http://mailer.fsu.edu/~cfigley/pubs/V8I3EdNote_Final.pdf#search=%22Traumatology%2C%20Vol.%208%2C%20No.%203%20(September%202002)%22