Earth CH21

5. when 2 convergent plates run together and one slips under the other.
7. natural inorganic solid that makes up rocks.
10. wave that moves only along Earth's surface and causes the most damage.
12. rock that is formed in layers and holds fossils.
14. directly above the focus on the focus on the surface.
16. also called secondary wave, second to reach recording stations, and cannot move through liquids.
17. where the earthquake starts.
20. also called primary wave, first to reach the recording station.

1. rock that is form from other rocks due to extreme heat and pressure.
2. weathering that does not change its chemical composition.
3. the waves that are a direct result from earthquakes.
4. the thing that the continents move on.
6. boundary where 2 plates move away from each other.
8. rock that is formed from cooled and solidified magma.
9. liquid metal that erupts out of a volcano.
11. land mass of all the continents.
13. the removal and transportation of weathered materials by gravity, wind, water, waves, ice, and underground water.
15. boundary where 2 plates move into each other.
18. mountain with a hole that spews magma and lava.
19. where the plate boundaries touch and where most earthquakes originate.
21. =mass/volume.