Across
- 5. A natural spring that sends hot water and steam suddenly into the air from a hole in the ground
- 7. A diagram that shows what the inside of something looks like
- 9. On the extinct reptile that lived about 300 million years ago
- 11. Hot liquid rock below the surface of Earth
- 12. A long, deep indentation in the ocean floor formed when two plates move together
Down
- 1. The layer of soft, solid rock underneath Earth's plates
- 2. moving apart in different directions
- 3. ridge- An underwater mountain range formed when two plates move apart
- 4. Evidence of life from the past, such as fossilized bones, footprints, or leaf prints
- 6. Moving toward the same place
- 8. Hot liquid rock on the surface of the earth
- 10. One of the very large sections of hard, solid rock that makes up Earth's outer layer
- 13. any of Earth's main continuous areas of land, such as Africa, Asia, and North America