Chapter 13

4. Ancient continental cores
5. Places where two plates meet one another.
7. A mountain or hill,having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
8. Plates moving past each other.
13. Proposed theory by Wegener
16. Two tectonic plates that are moving away from each other.
17. A major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur.
18. A long narrow hilltop, mountain range, or watershed.

1. Single giant continent.
2. The theory of plate movement.
3. The amount of heat,heating the ocean floor.
6. A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action.
9. one of the three main types of heat transfer in liquid (magma)
10. Two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
11. About 100km thick. (ch.13 notes)
12. Formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface.
14. A bunch of Volcanoes and earthquake spots located along the plate boundary
15. Are bounded on all sides of major faults