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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