SX05 Bkf Adapted Tests.Fm
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Name Date Class Earthquakes ■ Adapted Test Earthquakes Multiple Choice Write the letter of the correct answer. 1. Stress that pulls and stretches rock is called
a. compression. b. tension. c. shearing. _ 2. Which type of fault is caused by compression?
a. normal fault b. reverse fault c. strike-slip fault 3. A large area of flat land that has been lifted up above sea level is a(an) a. anticline. b. syncline. c. plateau. 4. Seismic waves that move rocks up and down like a wave in a rope are called a. P waves. b. S waves. c. surface waves. 5. Which scale is based on the amount of damage an
earthquake does? a. Mercalli scale b. Richter scale c. moment magnitude scale 6. The place inside Earth where an earthquake starts is the a. epicenter. b. focus. c. anticline. 7. When an earthquake occurs, data from one seismograph can tell you a. exactly where the epicenter is. b. how far away the epicenter is. c. in what direction the epicenter is.
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Earthquakes ■ Adapted Test
8. A creep meter measures how far the sides of a fault have a. moved in opposite directions. b. slipped up or down. c. tilted, or tipped. 9. Where in the United States is there a high risk of
earthquakes? a. along the Pacific coast b. along the Atlantic coast c. in the eastern states 10. A huge ocean wave caused by an earthquake is called a a. surface wave. b. seismic wave. c. tsunami.
Completion Read the words in the box. In each sentence below, fill in one of the words.
anticline compression epicenter syncline liquefaction shearing
11. The stress that pushes rocks in opposite directions is
12. The stress that causes folding is 13. The point on the surface directly above the focus of an earthquake is the 14. A fold in the crust that bends downward into a valley is a(an)
15. The process in which shaking turns soft soil into mud is
True or False If a statement is true, write true. If it is false, write false.
16. Stress adds energy to rocks.
17. S waves are the fastest seismic waves.
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18. When seismic waves reach a fault, they bounce off
the fault. 19. Earthquakes are most likely at faults along the boundary between two plates. 20. One of the causes of earthquake damage is
liquefaction.
Using Science Skills The drawing below shows a fault. Use the diagram to answer questions 21 and 22.
21. Inferring Which kind of fault is shown in the drawing? a. normal fault b. reverse fault c. strike-slip fault 22. Applying Concepts Which kind of stress caused the fault? a. compression b. shearing c. tension
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Earthquakes ■ Adapted Test
Using Science Skills The table shows when P waves and S waves from the same earthquake arrived at seismographs in three different cities. Use the table to answer questions 23, 24, and 25.
Seismographic Data for Three Cities
City Time When Time When P Waves Arrived S Waves Arrived (Eastern Standard (Eastern Standard Time) Time)
Los Angeles, 12:01 PM 12:04 PM California
Chicago, Illinois 12:03 PM 12:07 PM
Miami, Florida 12:05 PM 12:10 PM
23. Interpreting Data At which city did the seismic waves arrive first? a. Los Angeles b. Chicago c. Miami 24. Comparing and Contrasting For which city was there the longest time between the arrival of P waves and S waves? a. Chicago b. Miami c. Los Angeles 25. Drawing Conclusions Which city is farthest from the epicenter of the earthquake? a. Chicago b. Miami c. Los Angeles
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