Science term

1. any of the many processes in which gas, lava and ash is pushed out on the surface of Earth
4. The layer of soft, solid rock underneath Earth’s plates
6. One of the very large sections of hard, solid rock that make up Earth’s outer layer
7. Any planet with a solid surface, such as Earth or Mars
8. A sudden shaking of Earth’s surface
12. A set of interacting parts forming a complex whole
13. Moving apart in different directions
15. Something we observe to be similar over and over again
16. An underwater mountain range formed when two plates move apart
19. Having the conditions necessary to support life
20. Examine in detail for purpose

2. A long, narrow groove that forms where water, lava or other liquid flows
3. The place where two plates meet
5. A diagram that shows what the inside of something looks like
9. Along, deep indentation in the ocean floor formed when two plates move together
10. Moving toward the same place
11. Earth’s outermost layer of hard, solid rock that is underneath the soil, vegetation
14. How often or fast something happens
17. A proposed answer to a question about the natural world
18. The process of making it clear how your evidence supports your claim