Across
- 1. scientist that studies volcanoes
- 3. the thin outer layer of Earth
- 4. a place where hot gases, smoke, and melted rock come out of the ground onto Earth's surface
- 7. the process of moving weathered rock from one place to another
- 9. the layer of Earth's center to the bottom of the mantle
- 11. a break in the Earth's crust where rock on one side moves in relation to rock on the other side
- 13. thick layer of Earth beneath crust
- 16. the process of rock breaking apart
- 17. Tectonics the theory that Earth's crust is divided into plates that are always moving
- 18. the point on Earth's surface directly above the focus of an Earthquake
- 19. Scale measures the magnitude of an Earthquake on a scale of 1-10
- 20. a shaking of Earth's surface that can cause land to rise and fall
- 21. liquid below Earth's crust
- 22. the boundary between 2 tectonic plates that are colliding with each other
Down
- 2. the boundary between 2 tectonic plates that are sliding past each other horizontally
- 5. natural land shape or feature
- 6. the dropping of weathered rock by wind or moving water
- 8. scientist that studies earthquakes
- 10. the strength of an earthquake
- 12. is the molten rock that erupts from the volcano along with ash and hot gases
- 14. very small pieces of rock
- 15. the boundary between 2 tectonic plates moving away from each other
