Earth Science Chapter 10-12 Study Guide Plate Tectonics, Earthquakes and Volcanoes Directions: Answer the following questions using your notebooks, old quizzes, labs and other graded work. Bring this completed with you the day of the test. You do NOT need to write in complete sentences nor do you need to use a pen. 1. Define: a. Continental drift: b. Strike-slip fault: c. S-waves: d. P-waves: e. Focus: f. Epicenter: g. Convection current: h. Magnitude: i. Sea-floor spreading: j. Subduction: 2. What causes earthquakes? 3. Describe how seismologists locate earthquakes. Be specific! 4. Draw a picture of each type of plate boundary. Explain what happens at each boundary. 5. Describe the three layers of the Earth. 6. What are the three types of volcanoes? 7. Why do volcanoes erupt? What determines the eruptive force of a volcano? 8. How are plate tectonics, earthquakes and volcanoes related? 9. What are some effects of volcanoes and earthquakes? 10. What happens at the Mid-Atlantic Ridge? How do scientists know this is happening? (hint: Iceland) 11. What’s the difference between lava and magma? What does magma become when it cools? **Look over your coordinate map practice (longitude and latitude), and be able to find locations on a map.