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This
teacher-directed
demonstration
provides
a
conceptual
understanding
of
latent
heat.
Using
the
example
of
a
chemical
hand
warmer,
students
learn
about
phase
changes
from
liquid
to
solid
and
from
solid
to
liquid
and
observe
that
one
of
these
phase
changes
releases
heat
while
the
other
requires
heat
to
be
added.
These
concepts
are
then
reinforced
in
a
demonstration
which
involves
heating
water
and
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is referenced by :
The Geological Society of America: Resources for K-12 Earth Science Educators -
http:/
This resource is included in the following collections:
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In
this
activity,
students
critically
analyze
prior
conceptions
and
textbook
visuals
of
the
relative
sizes
and
orbiting
distance
of
the
Earth-moon
system
(and
other
bodies
in
our
solar
system),
search
out
sources
for
this
data,
and
construct
scale
models
by
using
balls
of
various
sizes.
There
are
tips
for
helping
learners
understand
the
large
scales
(i.e.,
millions
rather
than
thousands)
that
characterize
...
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Choosing & Using this resource...
Educational standards associated with this resource:
Other: Read
Related resources and collections
This resource is included in the following collections:
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