WED Unit 3

3. a place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface
7. scientist that studies earthquakes
10. tectonics the theory that Earth’s crust is divided into plates that are always moving
11. form natural land shape or feature
13. a shaking of Earth’s surface that can cause land to rise and fall
14. the boundary between two tectonic plates that are COLLIDING with each other
15. the thin outer layer of Earth
17. very small pieces of rock
18. the boundary between two tectonic plates moving AWAY from each other
20. the boundary between tectonic plates that are sliding past each other horizontally

1. a shaking of Earth’s surface that can cause land to rise and fall
2. the layer of Earth extending from Earth’s center to the bottom of the mantle (Metallic)
4. the process of moving weathered rock from one place to another
5. the liquid rock below Earth’s crust
6. the process of rock breaking apart
8. thick layer of Earth beneath the crust
9. a shaking of Earth’s surface that can cause land to rise and fall
12. the dropping of weathered rock by wind or moving water
16. scale measures the magnitude of an earthquake on a scale of 1-10
19. the point on Earth’s surface directly above the focus of an earthquake