Plate motion

2. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
5. the slow pulling apart of land that is caused by plate movement
7. to examine in detail for a purpose
8. A large section of hard solid rock that make up earths outer layer
9. hot liquid rock below the surface of Earth
10. any of the many processes in which lava gas and ash are pushed out on the surface of earth
13. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
17. when do water mountain range formed when two plates move apart
18. moving toward the same plate
20. observed to be over and over again

1. The layer of soft, solid rock underneath earths plates
3. the outside or top layer of something
4. moving apart in different directions
6. a shaking of earths surface
11. made of hard solid rock
12. the sudden pushing out of something, such as lava from a volcano
14. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
15. The place where two plates meet
16. a diagram that shows what inside of something looks like
19. A long deep indentation in the ocean floor