unit 3 vocab

4. a shaking of Earth’s surface that can cause land to rise and fall
6. the strength of an earthquake
8. the dropping of weathered rock by wind or moving water
10. the boundary between two tectonic plates that are COLLIDING with each other
12. scientist that studies earthquakes
14. the process of rock breaking apart
15. the layer of Earth extending from Earth’s center to the bottom of the mantle (Metallic)
16. a place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface
19. thick layer of Earth beneath the crust
20. natural land shape or feature

1. Scale measures the magnitude of an earthquake on a scale of 1-10
2. the liquid rock below Earth’s crust
3. very small pieces of rock
5. Tectonics the theory that Earth’s crust is divided into plates that are always moving
7. the process of moving weathered rock from one place to another
9. the boundary between tectonic plates that are sliding past each other horizontally
11. the boundary between two tectonic plates moving AWAY from each other
13. the point on Earth’s surface directly above the focus of an earthquake
17. the thin outer layer of Earth
18. a break in the Earth’s crust where rock on one side moves in relation to rock on the other side