Plate motion vocabulary

2. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
4. how often or fast something happens
6. the place where two plates meet
8. the layer of soft, solid rock underneath Earth's plates
9. a sudden shaking of Earth's surface
11. an extinct reptile that lived about 300 million years ago
15. hot liquid rock on the surface of Earth
16. hot liquid rock below the surface of Earth
17. moving apart in different directions
24. a diagram that shows what the inside of something looks like
25. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see

1. Earth's outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
3. a set of interacting parts forming a complex whole
5. a long, deep indentation in the ocean floor formed when two plates move together
6. something we observe to be similar over and over again
7. one of the very large sections of hard, solid rock that make up Earth's outer layer
10. the sudden pushing out of something, such as lava from a volcano
12. the outside or top layer of something
13. to examine in detail for a purpose
14. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
18. 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
19. the slow pulling apart of land that is caused by plate movement
20. one of the seven large landmasses on the earth
21. moving toward the same place
22. evidence of life from the past
23. An underwater mountain range formed where two plates move apart