Across
- 3. moving apart in different directions
- 5. extinct reptile that live about 300 million years ago
- 6. one of the very large sections of hard, solid rock that make up the Earth's outer layer
- 8. the slow pulling apart of land that is caused by plate movement
- 9. sudden shaking of the Earth's surface
Down
- 1. hot liquid rock on the Earth's surface
- 2. moving toward the same place
- 4. layer of soft, solid rock underneath the Earth's plates
- 5. hot liquid rock below the surface of the Earth
- 7. a long, deep indentation in the ocean floor formed when two plates move together