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Transcript
NAME___________________________ Science Ch. 9 Study Guide Earth’s Changing Surface Define the following: 1. crust 2. mantle 3. core 4. plate 5. mechanical weathering 6. chemical weathering 7. igneous 8. sedimentary 9. metamorphic 10.How can you identify igneous rock? 11. Look at the layers of rock shown in the illustration below. In which layer are the newest fossils? Which the oldest? 12. How do you determine the streak of a mineral? 13. What properties can you use to identify an unknown mineral? 14. What is the placing of materials in a new place called? 15. How do farmers work to prevent wind erosion of topsoil? 16. How are harbors and inlets generally formed? 17. Look at the illustration below. Which soil layer has the least amount of decayed material in it? Which has the most? 18. List at least 3 igneous rocks. 19. What is an example of a constructive force of nature? 20. What force do people feel when two plates jerk into a new position? 21. What makes up Earth's lithosphere? 22. How do scientists learn about the mantle and core of Earth? 23. What is the Earth's outermost and thinnest layer called? ESSAYS: 1. Explain two ways that the movement of Earth's plates changes the surface of Earth. (3 points) 2. Weathering is a destructive force on Earth's surface. Compare and contrast mechanical weathering and chemical weathering. (3 points)