Unit 3 Vocab

4. the strength of an earthquake
6. a shaking of Earth's surface that can cause land to rise and fall
7. a place where hot gases, smoke, and melted rock come out of the ground onto Earth's surface
9. the theory that Earth's crust is divided into plates that are always moving
10. is the molten rock that erupts from the volcano along with ash and hot gases
12. the layer of Earth extending from Earth's center to the bottom of the mantle
17. the boundary between 2 tectonic plates moving away from each other
19. the point on Earth's surface directly above the focus of an earthquake
21. the boundary between 2 tectonic plates that are sliding past each other horizontally
22. scientist that studies earthquakes

1. measures the magnitude of an earthquake on a scale of 1-10
2. the boundary between 2 tectonic plates that are colliding with each other
3. a break in the Earth's crust where rock on one side moves in relation to rock on the other side
5. thick layer of Earth beneath the crust
8. the liquid rock below Earth's crust
11. scientist that studies volcanoes
13. natural land shape or feature
14. the dropping of weathered rock by wind or moving water
15. very small pieces of rock
16. the thin outer layer of Earth
18. the process of rock breaking apart
20. the process of moving weathered rock from one place to another