Across
- 3. Outer layer of Earth
- 5. The theory that Earth's surface moves
- 7. Gooey hot layer of melted rock
- 8. The layer of Earth shaped like a ball
- 14. Where two plates meet
- 15. Ancient remains of living things that died
- 16. Rounded areas of rising land
- 18. Molten rock found under the Earth's surface
- 19. Low areas of Land
- 20. Found where two plates move together or apart
Down
- 1. Process in which rocks change forms
- 2. The layer made mostly of nickel and iron
- 4. Rising land caused by plates colliding
- 6. Formed when rivers wear away rock
- 9. Movement of rock and soil to another place
- 10. Area where most earthquakes occur
- 11. Large flat areas of land
- 12. Process of rocks broken into smaller ones
- 13. A strong shaking of Earth's crust
- 17. Molten rock that reaches the Earth's surface