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Earth's
orbit
around
the
Sun,
together
with
the
tilt
of
its
axis,
results
in
periodic
climate
changes
around
the
globe
known
as
seasons.
Different
locations
experience
different
types
of
climate
changes.
For
example,
some
places
have
extreme
seasonal
changes
in
temperature,
while
others
have
little
temperature
change
but
may
have
rainy
and
dry
seasons.
This
interactive
feature
explains
why
Earth
experiences
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In
this
activity
students
investigate
the
role
of
the
Ultraviolet
Imager
on
the
Image
for
Magnetopause-to-Auroral
Global
Exploration
(IMAGE)
satellite.
They
will
experiment
with
color
filters
and
discover
that
the
sun's
light
can
be
broken
into
many
colors
through
the
use
of
a
spectrograph.
They
will
also
learn
that
certain
wavelengths
of
energy
are
not
visible
to
our
eyes,
and
that
highly
specialized
...
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Our
Sun
is
an
ordinary
star;
however,
as
our
own
star,
it
holds
special
status
for
us
and
is
essential
to
our
existence.
The
Sun's
gravity
holds
the
solar
system
together,
and
nuclear
fusion
within
the
Sun
supplies
the
energy
for
life
on
Earth.
Without
the
Sun,
Earth
would
be
a
drastically
different
place.
This
video
segment
presents
some
basic
facts
about
our
Sun.
Topics
include
its
size
and
heat
...
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In
this
activity,
students
investigate
the
presence
of
magnetic
fields
around
magnets,
the
sun
and
the
earth.
They
will
explore
magnetic
field
lines,
understand
that
magnetic
lines
of
force
show
the
strength
and
direction
of
magnetic
fields,
determine
how
field
lines
interact
between
attracting
and
repelling
magnetic
poles,
and
discover
that
the
earth
and
sun
have
magnetic
properties.
They
will
also
...
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In this lesson, students explore different aspects of solar energy by building a solar hot box and testing various colors and materials to find the maximum temperature that can be reached. They will review the basic needs for alternative energy sources, identify three materials and colors that will produce maximum heat, and solve a design problem for the hot box.
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The
transfer
of
energy
between
Earth's
surface
and
the
atmosphere
causes
all
weather.
Energy
can
be
transferred
through
three
main
processes:
convection,
conduction,
and
radiation.
This
video
explains
the
differences
between
tropical
convective
cloud
systems
formed
over
land
and
those
formed
over
oceans.
The
segment
is
one
minute
nine
seconds
in
length.
A
background
essay
and
discussion
questions
...
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This
tour
of
auroral
phenomena
utilizes
research
images
and
taped
interviews
with
scientists.
Diagrams
and
text
provide
background
on
qualitative
magneto-dynamics,
and
locations
of
auroral
zones
on
the
Earth.
Variations
in
color
are
used
to
introduce
ideas
about
spectroscopy.
This
activity
will
familiarize
students
with
auroral
phenomena
and
where
they
appear
on
the
Earth's
surface,
relate
auroras
...
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At
this
site
the
question
and
answer
format
is
used
to
provide
information
about
the
Earth's
magnetic
field.
Frequently
asked
questions
are
linked
to
detailed
answers.
Along
with
standard
questions
about
the
magnetic
poles
and
how
a
compass
works,
there
are
sections
about
geomagnetic
models,
Space
Weather
Scales
and
magnetic
field
reversals.
Links
lead
to
a
site
to
download
the
latest
model
as
well
...
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This
section
of
the
Windows
to
the
Universe
website
provides
information
and
images
about
Earth's
magnetic
field
(the
magnetosphere),
including
detailed
information
about
the
aurora
borealis,
magnets,
and
solar
wind.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
The
objective
of
this
project
is
to
develop
an
innovative
and
engaging
website
that
...
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Choosing & Using this resource...
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This
section
of
the
Windows
to
the
Universe
web
site
provides
information
and
images
about
Pluto
including
detailed
information
about
surface,
interior,
ice,
atmosphere,
and
its
moon.
Windows
to
the
Universe
is
a
user-friendly
learning
system
pertaining
to
the
Earth
and
Space
sciences.
The
objective
of
this
project
is
to
develop
an
innovative
and
engaging
web
site
that
spans
the
Earth
and
Space
sciences
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
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