Across
- 4. When Earth’s surface shakes
- 8. When two plates are moving away from each other
- 9. Earth’s main continuous areas of land
- 10. The pieces making up Earth's outer layer
- 12. Hot liquid rock on Earth's surface
- 14. When two plates are moving towards each other
- 15. The hottest layer of Earth
- 17. Slow pulling apart of land caused by plate activity
- 19. Hot Liquid rock below Earth's surface
- 20. A set of interacting part forming a complex whole
- 21. The landform formed at an underwater Convergent plate boundary
Down
- 1. Where two plates meet
- 2. To examine in detail for a purpose
- 3. The top layer of something
- 5. The soft, solid layer of rock below Earth's plates
- 6. Underwater mountain range formed at a divergent plate boundary
- 7. A diagram of the inside of something
- 11. A feature that forms on the surface of a planet
- 13. How fast something happens
- 16. The sudden pushing of something
- 18. A natural spring sending hot water and steam suddenly into the air