Earth's Structure Review

6. processes by which rock, sand, and soil are broken down and carried away
8. a type of rock that forms from the cooling of molten rock at or below the surface
9. contains living things
11. the breaking down of rocks and other materials on the Earth's surface
12. one plate going under another plate
13. a rigid layer made up of the uppermost part of the mantle and the crust
15. consists of water in any of its forms
17. plates slide past each other
18. contains the densest part of Earth (rock, soil, sediment)

1. the soft layer of the mantleon which the lithosphere floats
2. plated divide or separate
3. contains the relatively thin layer of gases that form Earth's outermost layer
4. the thin and solid outermostlayer of the Earth above the mantle
5. tectonic pate that lies under a continent
7. the central part of the earth below the mantle
10. the layer of hot, solid material between Earth's crust and core
12. a type of rock that forms when particles from other rocks are pressed and cemented together
14. a type of rock that forms from an existing rock that is changed by heat or pressure
16. plates move toward each other
19. a wave that travels along a surface