Across
- 6. an underwater mountain range formed when two plates move apart
- 9. any of the many processes (such as eruptions and lava flows) in which gas, lava, and ash are pushed out on the surface of Earth
- 12. something we observe to be similar over and over again
- 13. a sudden shaking of Earth's surface
- 14. one of the very large sections of hard, solid rock that make up Earth’s outer layer
Down
- 1. the layer of soft, solid rock underneath Earth's plates
- 2. moving toward the same place
- 3. a diagram that shows what the inside of something looks like
- 4. the place where two plates meet
- 5. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
- 7. moving apart in different directions
- 8. how often or fast something happens
- 10. to examine in detail for a purpose
- 11. a long, deep indentation in the ocean floor formed when two plates move together