Sciene vocab

3. rebound The sudden return of elastically deformed rock to its undeformed shape
6. spreading The process of new seafloor forming
8. A solid, thin layer of mantle material below the lithosphere.
10. current Any movement of matter that results from differences in density.
13. boundary The boundary between tectonic plates that are sliding past each other
15. The bending, tilting, and breaking of Earth's crust
17. reversal The process by which earth's magnetic north pole and magnetic south pole switch positions periodically.
19. plate A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle
20. The thin and solid outermost layer of Earth above the mantle.
23. The lower part of the mantle.
24. The point on Earth’s surface directly above an earthquake's starting point.

1. The process by which one phosphoric plate moves beneath another plate as a result of tectonic forces.
2. A break in a body of along which one locke moves relative to another
4. tectonics the hypothesis that today's continents were once part of a single landmass.
5. the outermost physical layer of the earth. It is a solid, rigid layer.
7. a well-supported explanation of nature.
9. boundary The boundary between two tectonic plates that are moving away from each other
11. Very dense elements, mainly iron and small amount of nickel.
12. The compositional layer below the crust.
14. drift the hypothesis that today's continents were once part of a single landmass.
16. A movement of trembling of the ground that is caused by a sudden release of energy when rocks along a fault move.
18. boundary The boundary between tectonic plates that are colliding
21. plate boundary The edge between two or more plates classified as divergent, convergent, or transform by the movement taking place between the plates.
22. The location within Earth along a fault at