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During
most
of
the
last
one
billion
years
the
globe
had
no
permanent
ice.
However,
sometimes
large
areas
of
the
globe
were
covered
with
vast
ice
sheets.
Users
can
read
and
view
pictures
which
help
explain
what
ice
ages
are,
when
they
occurred,
and
why
they
occur.
This
site,
sponsored
by
the
Illinois
State
Museum,
has
links
to
web
pages
on
paleontology
of
the
midwestern
United
States
during
the
last
...
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Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
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The
Galileo
educator
site
offers
educators
and
students
interesting
facts
about
NASA's
Galileo
mission
to
Jupiter
and
Europa,
and
many
classroom
activities.
There
are
activities
to
interpret
new
images
of
new
worlds,
planets
and
satellites,
navigating
the
solar
system,
planetary
surfaces,
a
closer
look
of
Europa,
design
a
spacecraft
to
test
for
life
on
Europa,
building
a
scale
model
of
the
Galileo
...
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Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
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