Across
- 4. hot liquid rock below the surface of Earth
- 7. an extinct reptile that lived about 300 million years ago
- 8. evidence of life from the past
- 10. a natural spring that sends and steam suddenly into the air from the ground
- 11. a feature that forms on the surface of a planet
- 12. hot liquid rock on the surface of Earth
- 13. the sudden pushing out of something
- 15. moving apart in different directions
- 18. moving toward the same place
- 19. a diagram that’s shows the inside of something
Down
- 1. a sudden shaking of Earths surface
- 2. something we observe to be similar over and over again
- 3. one of the very large sections of hard,solid rock that make up Earths outer layer
- 5. any of Earths main continuous areas of land
- 6. the place where two plates meet
- 7. an underwater mountain range formed Whalen two plates move apart
- 9. an object, diagram, or computer program that helps us understand something by making it simpler or easier
- 14. hard solid rock that is underneath the soil,vegetation, and Water
- 16. how often or fast something happens
- 17. the layer of soft solid rock underneath Earths plates