Unit 3 vocab words

3. the theory that Earth’s crust is divided into plates that are always moving
5. the thin outer layer of Earth
8. the process of moving weathered rock from one place to another
10. the boundary between two tectonic plates that are COLLIDING with each other
14. is the molten rock that erupts from the volcano along with ash and hot gases
15. the boundary between two tectonic plates moving AWAY from each other
16. the strength of an earthquake
17. scientist that studies volcanoes
18. very small pieces of rock
19. natural land shape or feature

1. the point on Earth’s surface directly above the focus of an earthquake Seismologist- scientist that studies earthquakes
2. a place where hot gases, smoke, and melted rock come out of the ground onto Earth’s surface
4. a shaking of Earth’s surface that can cause land to rise and fall
6. the layer of Earth extending from Earth’s center to the bottom of the mantle (Metallic)
7. the process of rock breaking apart
9. measures the magnitude of an earthquake on a scale of 1-10
11. thick layer of Earth beneath the crust
12. the boundary between tectonic plates that are sliding past each other horizontally
13. a break in the Earth’s crust where rock on one side moves in relation to rock on the other side
15. the dropping of weathered rock by wind or moving water
20. the liquid rock below Earth’s crust