Across
- 2. hot liquid rock on the surface of Earth
- 4. Evidence of life from the past
- 5. something we observe to be similar over and over again
- 8. a sudden shaking of Earth's surface
- 9. one of the very large sections of hard solid rock
- 10. a set of interacting parts of forming a complex whole
Down
- 1. moving toward the same place
- 3. moving apart in different directions
- 6. to examine in detail
- 7. a long deep indentation in the ocean floor formed when two plates move together
- 11. the layer of soft, solid rock