Across
- 1. a sudden shaking of Earth's surface
- 7. an extinct reptile that lived about 300 million years ago
- 9. one of the very large sections of hard, solid rock that make up Earth’s outer layer
- 10. any of Earth's main continuous areas of land
- 11. boundary the place where two plates meet
- 12. hot liquid rock below the surface of Earth
Down
- 2. the sudden pushing out of something
- 3. moving toward the same place
- 4. moving apart in different directions
- 5. evidence of life from the past
- 6. a feature that forms on the surface of a planet
- 8. the layer of soft, solid rock underneath Earth's plates