Across
- 2. An underwater mountain range formed when two plates move apart
- 4. To examine in detail for a purpose.
- 6. A diagram that shows what the inside of something looks like.
- 9. Any of the many processes in which gas, lava and ash are pushed out of the Earth.
- 12. Something we observe to be similar over and over again.
Down
- 1. Moving apart in different directions
- 2. The layer of soft, solid rock underneath Earth's plates
- 3. Moving toward the same place
- 5. One of the very large sections of hard, solid rock that make up Earth's out edge.
- 7. Earth's outermost layer of hard, solid rock that is underneath the soil, vegetation and water.
- 8. A sudden shaking of Earth's surface.
- 10. A deep indentation in the ocean floor formed when two plates move together.
- 11. The place where two plates meet.