Download Click when ready

Ring of Fire and San Andreas Fault Activity
• Lesson Objective Question - Why might focusing on how people perceive the risks and
resources of the natural environment help to explain human behavior in different parts
Copy the Lesson Objective Question into Binder
of the world?
• Background: Risk is a part of every landscape. When people select a site for a home, a
factory, a fort, or a shopping center, they take many factors into consideration. One of
those factors involves environmental
Perception of the amount of danger may
Readhazards.
Background
be wildly inaccurate. At times, the reason is lack of information. But other
considerations may sometimes out-weigh the risk involved. In such cases people tend
to underestimate the danger and over-estimate their ability to mange the risk. This
Label
all parts
ofoflesson
ininnotebook
correctly.
Answer
ALL
lesson explores
the role
perception
decision-making
relative to the
environment.
The context is the risk of earthquakes along the San Andreas Fault in southern
questions in COMPLETE SENTENCES.
California.
>Click when ready<
Vocabulary
Copy Vocabulary into Binder
• Divergent Plate – 2 plates separating
• Convergent Plate – 2 plates colliding
>Click when ready<
• Fault – crack that develops when tectonic plates on earth’s surface
collide
• Strike-slip fault - the motion along the fault line is horizontal as the
blocks scrape side by side past each other.
Opener
Complete Opener in binder
Rank the following activities from highest to lowest level of risk or
danger (1 is low risk. 5 is high risk)
>Click
when
• Building a new residence
on the
coast ready<
north of San Francisco
• Driving along the California Coastal Highway
• Vacationing in southern California for two weeks
• Flying to Oakland for a ballgame
• Changing planes at LAX on the way to Hawaii
• Building a new nuclear power plant near Santa Rosa
Ring of Fire - Video
• Earth’s Crust –
Take Notes. Click on Video Link above to watch. Put in
different
sections/plates headphones before watching video
• Theory of Plate
Tectonics
• Plates are constantly
moving
• Different densities of
plates and pressure
from earth’s core
>Click when ready<
Ring of Fire
• Convergent Plates
• 2 plates collide
• Denser plate submerges
under light plate
• Mountains
Take Notes in Binder
>Click when ready<
Himalayas – Mt Everest
Ring of Fire
• Divergent Plate
• 2 plates separate
• Earthquakes and
volcanoes
Take Notes in Binder
>Click when ready<
Mid Atlantic Ridge in Iceland
Ring of Fire
•Surrounds Pacific Ocean
Take Notes in Binder
•Found in 4 different continents
•90% of earthquakes and 80% of volcanoes
>Click when ready<
Ring of Fire – Class work & C4U
Pick up worksheet and complete. Turn in for a grade
• Ring of Fire Map Activity and Map
>Click when ready<
San Andreas Fault - Video
• Where is San Andreas Fault located?
• California
Take Notes in Binder. Click on Video Link above.
• Fault – crack that develops when tectonic plates on earth’s
surface collide headphones before watching video
• How big is San Andreas Fault?
• 800 miles long
• S CA to San Fran
>Click when ready<
Put in
San-Andreas Fault
• Strike-slip fault
Take
Notes
• 2 plates are sliding past each
other
• 2 inches per year
in Binder
>Click when ready<
San-Andreas Fault
• Movements on fault = small tremors or major
earthquakes
Take Notes in Binder
• 1906 – most destructive quake (magnitude 8)
• California – Expect earth to shake
• Residential areas on fault>Click
when ready<
San-Andreas Fault
• What differences do you see in this image?
Answer question in Binder
>Click when ready<
C4U
Answer questions in binder
• What are some reasons why Californians may continue to live and
work near the San Andreas fault? Do you think the risk they are taking
is reasonable?
>Click when ready<
• Do you think insurance companies should cover homes and
businesses built in earthquake-prone areas? Support your answer
with research
Class work
Pick up worksheet and turn in for a grade
• Planning for an Earthquake
• Probability of Earthquake
>Click when ready<
• Earthquake Log Worksheet