Across
- 4. innermost layer of the earth, very hot
- 9. An opening in the earth's crust where gases erupt
- 11. A break in the earth's crust
- 13. When plates slide past each other
- 15. Supercontinent
- 16. the layer of hot and solid material between Earth's crust and core
- 17. The point of origin of an earthquake
- 18. bending of rock layers
- 20. A deep valley formed because of plate movement
- 21. The outermost layer of the earth
Down
- 1. How major landforms are created due to movement
- 2. A person who studies the properties of the earth
- 3. When plates meet and one slides under or over
- 5. Continents have moved to a different place
- 6. Two tectonic plates are pulling apart
- 7. When plates crash into one another
- 8. Melted rock beneath the Earth’s surface.
- 10. Huge wave caused by sudden plate movement
- 12. Vibration from underground movement
- 14. When molten adds new crust to the ocean floor
- 19. Melted rock on Earth’s surface