Across
- 4. an extinct reptile that lived about 300 million years ago
- 5. any of Earth's main continuous areas of land, such as Africa, Asia, and North America
- 7. boundary, the place where two plates meet
- 8. one of the very large sections of hard, solid rock that make up Earth's outer layer.
- 9. moving apart in different directions
- 10. moving toward the same place
Down
- 1. an underwater mountain range formed when two plates move apart
- 2. a sudden shaking of Earth's surface
- 3. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 6. the layer of soft, solid rock underneath Earth's plates