Download science ch 9 earths changing surface sg

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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)