Science

2. An object, or computer program that helps us understand something by making it simpler or easier to see
6. to examine for an purpose
8. Plates that move towards each other
10. a place where two plates meet
13. The layer of soft solid rock underneath earths plates
14. Hot liquid rock below earths surface
15. A long deep indentation in the ocean floor formed when two plates move together
16. A set of interacting parts forming a whole
17. The slow pulling apart of land that is caused
18. A feature that forms on the surface of a planet such as a mountain, channel, or sand dune

1. any of earths main continuous areas of land, such as North America, and Asia
3. Earths outermost layer of hard solid rock underneath all the soil, vegetation, and water
4. One of the very large sections of hard solid rock that made the earth’s outer layer
5. A sudden shaking of earths surface
7. The outside or outer layer of something
8. a diagram that shows what the inside of something looks like
9. A opening where lava and steam erupt onto earths surface
11. Something we observe to be similar over and over again
12. Evidence from the past as fossilized bones, footprints, or leaf prints
19. Plates that move away from each other