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Chapter 9 Study Guide Vocabulary 1. 2. 3. 4. 5. 6. 7. 8. plate earthquake volcano magma topography fault landform sand dune Science Concepts 9. List the layers of the Earth. 10. Which of Earth’s layers contain soft areas on which plates float? 11. Define crust, mantle, and core. 12. List and describe the three types of volcano. 13. Where would you most likely find a delta? 14. What forms when plates slide under and over each other? 15. What is a “hot spot”? How were the Hawaiian Islands formed? 16. How were landforms like the Grand Canyon formed? 17. What causes both earthquakes and volcanic eruptions? 18. What is a moraine made of? Inquiry Skills 19. What would make a better model for the process that causes an earthquake2 sponges rubbing against each other or a bowl of jiggling gelatin. Explain why. 20. What would make a better model to show an erupting volcano—a lit firecracker or a shaken can of soda? Explain why. 21. A friend tells you that volcanoes, mountains, and earthquakes have nothing in common. You disagree. Explain why. 22. Explain how these terms are related: faults and earthquakes; plates and mountains; and volcanoes and magma.