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When
it
was
decided
that
the
Gottesman
Hall
of
Planet
Earth
in
the
American
Museum
of
Natural
History
would
be
designed
around
huge
rock
samples,
one
obvious
choice
for
the
volcano
section
of
the
hall
was
obsidian.
This
site
tells
the
story
of
the
quest
of
Dr.
Ro
Kinzler
for
that
sample
and
the
local
man
named
Jeff
Dinnel,
a
self-taught
naturalist,
who
had
assembled
a
collection
of
rocks,
bones,
and
...
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Choosing & Using this resource...
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This
activity
introduces
students
to
the
tectonic
forces
that
move
and
shape
our
world.
Students
will
follow
in
the
footsteps
of
early
scientists
as
they
put
the
pieces
of
Pangaea
back
together
and
discover
the
forces
that
create
the
variety
of
landforms
and
sea-floor
features
of
our
Earth.
After
completing
the
activity,
a
student
forum
will
apply
the
knowledge
learned
in
this
activity
to
develop
...
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Choosing & Using this resource...
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This
site
allows
students
to
examine
images
of
galaxies
and
learn
to
recognize
the
various
shapes
used
in
the
Hubble
classification
system.
The
Hubble
Tuning
Fork
Diagram
is
presented
as
a
way
to
classify
the
various
types
of
galaxies
observed
in
space.
Students
will
examine
pictures
of
galaxies
and
discover
that
these
pictures
have
been
arranged
according
to
a
scheme
or
plan
laid
out
by
Edwin
Hubble,
...
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Choosing & Using this resource...
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In
this
article,
The
Why
Files
examines
Charles
Darwin,
his
theory
of
evolution,
and
his
visit
to
the
Galapagos
Islands
of
Ecuador.
The
article
explains
what
Darwin
really
found,
and
how
other
scientists
helped
him
develop
his
theory
of
evolution.
It
discusses
the
many
mistakes
Darwin
made
in
his
observations
and
methods
of
investigation,
as
well
as
how
Darwin's
finches
are
not
as
important
to
the
...
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Choosing & Using this resource...
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This
Why
Files
article
investigates
a
possible
relationship
between
extinction
and
size
of
animals.
For
most
recent
extinctions
(50,000
and
12,000
years
ago),
evidence
indicates
that
mostly
large
animals
went
extinct.
The
Why
Files
examines
possible
reasons
for
this,
such
as
climate
changes
and
the
appearance
of
predatory
humans,
and
what
this
tells
scientists
about
evolution
and
extinctions
on
Earth.
...
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Choosing & Using this resource...
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This
lesson
plan
is
part
of
the
DiscoverySchool.com
lesson
plan
library
for
grades
6-8.
It
focuses
on
avalanches
and
how
they
occur.
Students
conduct
an
experiment,
then
discuss
how
lubricants
and
friction
play
a
role
in
causing
avalanches.
Included
are
objectives,
materials,
procedures,
discussion
questions,
evaluation
ideas,
suggested
readings,
and
vocabulary.
There
are
videos
available
to
order
...
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Choosing & Using this resource...
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This
lesson
plan
is
part
of
the
DiscoverySchool.com
lesson
plan
library
for
grades
6-8.
Its
focus
is
on
the
pollution
of
water
ecosystems.
Students
do
group
research
on
known
pollutants
and
their
impact
on
water
ecosystems,
and
find
out
possible
solutions
to
this
problem.
It
includes
objectives,
materials,
procedures,
discussion
questions,
evaluation
ideas,
performing
extensions,
suggested
readings,
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This
activity
has
students
apply
scientific
theory
and
hypothesis
to
studies
being
conducted
in
the
Black
Sea.
They
will
discuss
the
purpose
of
and
theory
behind
the
Black
Sea
study
and
use
maps
to
explain
the
flood
theory.
Students
will
also
write
hypotheses
suggesting
what
certain
pieces
of
evidence
might
reveal
about
the
Black
Sea
and
the
flood.
Next,
they
will
read
about
the
researchers'
discoveries
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
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This article explains why the study of paleontology is important to science education. Topics include the basic methods and goals of paleontology, how it is relevant to the modern world, and why paleontology can be useful in keeping students involved and interested in science. Links to additional information are embedded in the text.
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Choosing & Using this resource...
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This
article
describes
the
period
of
geologic
time
spanned
by
the
rocks
of
the
North
Cascades
area
of
Washington.
Users
can
access
a
simplified
geologic
time
scale
that
provides
links
to
geologic
events
in
the
North
Cascades
region.
These
include
the
deposition
of
various
terranes,
periods
of
intrusion
and
metamorphism,
the
beginning
of
the
Cascade
volcanic
arc,
and
periods
of
major
glaciation.
Links
...
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Choosing & Using this resource...
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