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This
easily
built
classroom
apparatus
is
ideal
for
gaining
a
better
understanding
of
how
earthquakes
work
and
how
they
are
recorded.
The
apparatus
consists
of
a
heavy
object
that
is
dragged
steadily
with
an
elastic
cord.
Although
pulled
with
a
constant
velocity,
the
heavy
object
repeatedly
slides
and
then
stops.
A
small
vibration
sensor,
attached
to
a
computer
display,
graphically
monitors
this
motion,
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES), National Geography Standards: Read
Related resources and collections
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Rob
Dunbar
discusses
climate
change
and
three
issues
that
affect
the
oceans:
sea
level
rise,
ocean
warming
and
ocean
acidification.
Dunbar
looks
deeply
at
ancient
corals
and
sediments
to
study
how
the
climate
and
the
oceans
have
shifted
over
the
past
50
to
12,000
years
and
how
the
Antarctic
ecosystem
is
changing
right
now.
The
talk
provides
information
about
how
the
research
data
was
gathered
and
...
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Choosing & Using this resource...
Related resources and collections
This resource is included in the following collections:
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This
report
on
the
effects
of
ozone
depletion
and
ultraviolet
radiation
on
human
health
covers
the
history
of
ozone,
including
an
explanation
of
atmospheric
oxygen;
human
intervention
and
response
to
the
effects
of
chlorofluorocarbons,
or
CFCs;
changes
in
atmospheric
ozone;
good
(stratospheric)
ozone
and
bad
(ground
level)
ozone;
and
the
impact
on
ecosystems.
Effects
on
human
health
cover:
eye
damage,
...
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Choosing & Using this resource...
Related resources and collections
This resource is referenced by :
This resource is included in the following collections:
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