Across
- 2. hot liquid rock on the surface of Earth
- 5. an underwater mountain range formed when two plates move apart
- 8. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
- 11. the sudden pushing out of something, such as lava from a volcano
- 12. the layer of soft, solid rock underneath Earth’s plates
- 14. the slow pulling apart of land that is caused by plate movement
- 15. to examine in detail for a purpose
Down
- 1. any of the many processes (such as eruptions and lava flows) in which gas, lava,and ash are pushed out on the surface of Earth
- 3. moving apart in different directions
- 4. something we observe to be similar over and over again
- 6. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
- 7. a set of interacting parts forming a complex whole
- 9. moving toward the same place
- 10. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
- 13. the place where two plates meet