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LAUSD
AGI
EarthComm™
Implementation Project

CTEL EarthComm Web Site Assignment

Printable Word© Document

Volcanoes

  1. Activity 1, Volcanoes on Land, USGS Cascades Volcano Observatory - "Volcano Types - Quick Reference Guide" Describe two differences between shield volcanoes and stratovolcanoes.

  2. Activity 2, Topographic Maps, "USGS - Topographic Map Symbols". In the space below, draw the map symbols for the following land features: a mine and an orchard.

  3. Activity 5, Volcanic Gases, "Volcano Hazards Fact Sheet": Name four gases that volcanoes release into the atmosphere. How does sulfur dioxide gas affect the atmosphere?

Plate Tectonics

  1. Activity 1, Measuring Plate Motions with GPS, "Understanding Plate Motions": What is the range of speeds of plate motion? How do GPS instruments help us to track plate motions?

  2. Activity 3, Evidence for Earth's Layered Structure, "Earth's Interior and Plate Tectonics": What is the difference between the terms crust and lithosphere? How deep in the Earth is the top of the Earth's core?

  3. Activity 4, Hot Spots, "USGS - "Hot spots:" Mantle Thermal Plumes": What is a hot spot? What does the hot spot theory predict about the nature of the Hawaiian Island chain? Name at least two other hot spots.

Earthquakes

  1. Activity 1, Earthquakes: "Where do Earthquakes Occur?": List the names of the three kinds of faults. Which is represented by California's San Andreas Fault.

  2. Activity 1, Earthquakes, "The Largest Earthquakes State by State" Give the year, magnitude moment and intensity value for the two most powerful earthquakes to strike California.

  3. Activity 2, Seismometers: "Seismographs - Keeping Track of Earthquakes": Why do modern seismograph stations consist of three instruments?

Bonus Question: Visit the California Geological Survey Seismic Hazards Mapping program website. Find and print a seismic hazard map of your community.

 

 


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