Unit 3 vocab.

1. a shaking of Earth’s surface that can cause land to rise and fall
6. the boundary between two tectonic plates moving AWAY from each other
8. the liquid rock below Earth’s crust
9. the dropping of weathered rock by wind or moving water
11. the layer of Earth extending from Earth’s center to the bottom of the mantle (Metallic)
13. the process of rock breaking apart
14. the boundary between two tectonic plates that are COLLIDING with each other
15. scientist that studies volcanoes
16. the thin outer layer of Earth
17. the point on Earth’s surface directly above the focus of an earthquake
20. a break in the Earth’s crust where rock on one side moves in relation to rock on the other side
21. thick layer of Earth beneath the crust

2. Scale measures the magnitude of an earthquake on a scale of 1-10
3. natural land shape or feature
4. is the molten rock that erupts from the volcano along with ash and hot gases
5. scientist that studies earthquakes
7. the boundary between tectonic plates that are sliding past each other horizontally
8. the strength of an earthquake
10. a place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface
12. very small pieces of rock
18. Tectonics the theory that Earth’s crust is divided into plates that are always moving
19. the process of moving weathered rock from one place to another