Across
- 2. the slow pulling apart of land that is caused by plate movement
- 3. a long, deep indentation in the ocean floor formed when two plates move together
- 4. a spring that sends up hot water and steam
- 6. the outside or top layer of something
- 8. something we observe to be similar over and over again
- 10. the layer of soft, solid rock under Earth’s plates
- 11. hot liquid rock below the surface of Earth
- 12. a set of interacting parts forming a complex whole
- 14. moving apart in different directions
Down
- 1. moving toward the same place
- 5. how often or fast something happens
- 7. to examine in detail for a purpose
- 9. one of the very large sections of hard, solid rock that make up Earth’s outer layer
- 13. an object, diagram, etc that helps us understand something