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