Plate Motion

2. the slow pulling apart of land that is caused by plate movement
4. a natural spring that sends hot water and steam suddenly into the air from a hole in the ground
5. the outside or top layer of something
6. something we observe to be similar over and over again
9. any of Earth’s main continuous areas of land, such as Africa, Asia, and North America
10. a feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
12. any of the many processes (such as eruptions and lava flows) in which gas,
15. a long, deep indentation in the ocean floor formed when two plates move together
16. evidence of life from the past, such as fossilized bones, footprints, or leaf prints
17. a sudden shaking of Earth’s surface
18. how often or fast something happens
20. and ash are pushed out on the surface of Earth
23. the place where two plates meet
24. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water
25. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see

1. moving apart in different directions
3. a diagram that shows what the inside of something looks like
5. a set of interacting parts forming a complex whole
7. an extinct reptile that lived about 300 million years ago
8. hot liquid rock below the surface of Earth
10. hot liquid rock on the surface of Earth
11. an underwater mountain range formed when two plates move apart
13. the layer of soft, solid rock underneath Earth’s plates
14. one of the very large sections of hard, solid rock that make up Earth’s outer layer
19. the sudden pushing out of something, such as lava from a volcano
21. to examine in detail for a purpose
22. moving toward the same place