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When
plate
tectonics
causes
part
of
the
Earth's
crust
to
compress,
as
in
a
zone
of
collision,
or
to
extend,
as
in
a
zone
of
rifting,
faults
must
form
to
help
accomplish
this
task.
While
the
deeper
layers
of
rock,
due
to
extreme
heat
and
pressure,
can
fairly
easily
deform
to
accommodate
the
stretching
of
rifting
or
the
compression
of
collision,
the
brittle
rock
of
the
uppermost
crust
must
break
and
...
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This series of exercises demonstrates basic principles associated with the Earth's magnetic field. Several relevant questions are included to support conceptual learning.
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This virtual tour of the Hayward Fault extends from the city of Fremont, California towards the southern end of the fault. Many photos show evidence of offset and damage to natural and man-made features caused by creep along the fault.
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In
this
activity,
students
investigate
the
relationship
between
intensity
of
ground
motion
and
type
of
rock
or
alluvium,
as
seen
in
the
1994
Northridge,
California
earthquake.
They
will
examine
a
map
of
Mercalli
intensity,
a
cross-section
showing
geologic
structures
and
rock
types,
and
a
map
of
surficial
geology,
and
answer
questions
pertaining
to
amplification
of
ground
motion
and
S-wave
velocities.
...
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This quiz for younger students asks them 10 questions about plate motions, rock types in continental and oceanic crust, crustal formation and mountain building, the supercontinent Pangea, and the theory of continental drift. A link to a page on continental drift provides information to answer the questions.
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This
lesson
on
earthquakes
is
based
on
naturalist
John
Muir's
experiences
with
two
significant
earthquakes,
the
1872
earthquake
on
the
east
side
of
the
Sierra
Nevada
Mountains,
and
the
Great
San
Francisco
Earthquake
of
1906.
Students
will
learn
to
explain
that
earthquakes
are
sudden
motions
along
breaks
in
the
crust
called
faults,
and
list
the
major
geologic
events
including
earthquakes,
volcanic
...
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This site provides an introduction to the Global Positioning System (GPS) and its various uses. Topics include the use of GPS in navigation, its use to measure movement of tectonic plates, and its use to measure ground motion during earthquakes. There is also a page of links to other websites with additional information.
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This portal provides links to a wide selection of websites related to Global Positioning Systems (GPS) and Global Navigation Satellite Systems (GNSS) technology.
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This site contains information about the continent of Antarctica. There is a classroom practice and instructional module. The students will be able to describe the general geology of the land under the Antarctic ice and to explain from where the rocks may have come.
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This site has brief lesson plans for a 15-day study of earthquakes. Many earthquake topics are covered. Days 5 and 6 focus on the Richter Magnitude scale. A brief list of related websites is included.
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