Plate Motion Vocabulary

3. hot liquid rock below the surface of Earth
8. sand dune
9. the sudden pushing out of something, such as lava from a volcano
10. hot liquid rock on the surface of Earth
11. a natural spring that sends hot water and steam into the air from the ground
16. the outside or top layer of something
17. a long, deep indentation in the ocean floor formed when two plates move
18. a sudden shaking of Earth’s surface
20. to examine in detail for a purpose
21. any of Earth’s main continuous areas of land
23. a feature that forms on the surface of a planet, such as a mountain, channel,
24. evidence of life from the past, such as fossilized bones, footprints, or leaf prints

1. one of the very large sections of hard, solid rock that make up Earth’s outer layer
2. layer Earth’s outermost layer of hard, solid rock
3. the layer of soft, solid rock underneath Earth’s plates
4. moving apart in different directions
5. moving toward the same place
6. an extinct reptile that lived about 300 million years ago
7. Ridge an underwater mountain range formed when two plates move apart
12. the slow pulling apart of land that is caused by plate movement
13. how often or fast something happens
14. onto the surface of the Earth
15. Boundary the place where two plates meet
19. a set of interacting parts forming a complex whole
21. Section a diagram that shows what the inside of something looks like
22. Activity any of the many processes in which gas, lava and ash are pushed