Restless Earth Vocab Lukas

1. A point along a fault where an earthquake starts
3. Layer of rock between crust and core
5. The edge between two or more plates can be divergent, convergent, or transform;3 wds
8. Soft layer of the mantle where tectonic plates move
10. The theory that explains how pieces of the lithosphere move;2 wds
13. The result of one tectonic plate moving below another
15. A boundary of two plates sliding past each other horizontally;2 wds
17. A wave of energy that travels through Earth and away from earthquakes;2 wds
18. A block of the lithosphere;2 wds
19. The solid outermost layer of the Earth above the mantle
20. Central part of Earth below mantle
22. When new oceanic lithosphere forms from magma rising to the surface;2 wds

2. The theory that larger landmasses are smaller ones that drifted into their current positions;2 wds
4. Any movement of matter that results from a difference in density;2 wds
6. A boundary of tectonic plates moving away for each other;2 wds
7. When Earth's poles magnetic force switch periodically;2 wds
9. Strong lower part of mantle, also a name of an atmosphere level
11. The boundary of tectonic plates that are colliding;2 wds
12. Solid outer layer that consist of the crust and upper mantle
14. A movement of the ground due to the sudden release of energy when rocks along a fault move
16. A break in a body of rock
21. The point on Earth's crust directly above the focus