Unit 3 vocabulary

3. scale measures the magnitude of an earthquake on a scale of one to 10
7. tectonics the theory that earths crust is divided into plates that are always moving
8. the boundary between two tectonic plates that are colliding with each other
9. the boundary between tectonic plates that are sliding past each other horizontally
12. is the molten rock that erupts from the volcano along with ash and hot glass
14. the boundary between two tectonic plates, moving away from each other
16. the strength of an earthquake
17. the layer of earth standing from earth center to the bottom of the mantle medical
19. scientist, that study volcanoes
20. thick layer of earth beneath the crust

1. the process of rock breaking apart
2. the nature, land shape or future
4. a place where a hot glass, smokes and melts rock come out of the ground into earth surface
5. very small pieces of rock
6. scientist, that study earthquakes
8. the point of earth surface directly above the focus of an earthquake
10. the theory that earths cross is divided into plates that are always moving
11. a shaking of earths surface that can cause land to rise and fall
13. the outer layer of earth
14. the dropping of weathered rocks by wind or moving water
15. the process of moving weathered rocks from one place to another
16. the liquid rock below earths crust
18. a break in the earths crust where rock on one side moves in relay to rock on the other side