Plate Motion

2. a bunch of pieces that fit together or mystery
4. a statement or answer to a scientific question that is based on data or observations
7. an extinct reptile that lived about 300 million years ago
9. how often or fast something happens
10. any of Earth's main continuous area of land, such as Africa, Asia, and North America
13. moving toward the same place
14. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
19. a sudden shaking of Earth’s surface
20. a diagram that shows what the inside of something looks like
21. to examine in detail for a purpose
23. a feature that forms on the surface of a planet

1. an underwater mountain range formed when two plates move apart
3. something observe to be similar over and over again
5. the place where two plates meet
6. the layer of soft solid rock underneath Earth’s plates
8. the outside or top layer of something
11. a long, deep indentation in the ocean floor formed when two plates move together
12. any of the many processes (such as earthquakes and lava flows) in which gas, lava, and ash pushed out the surface of Earth
15. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation, and water (crust)
16. moving apart in different directions
17. one large supercontinent
18. hot liquid rock below the surface of Earth
22. one of the very large sections of hard solid rock that make up Earth’s outer layer