Across
- 6. Plates moving past each other.
- 10. Proposed theory by Wegener
- 13. 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.
- 14. Two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
- 15. Formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface.
- 16. 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.
- 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.
Down
- 1. Places where two plates meet one another.
- 2. Ancient continental cores
- 3. one of the three main types of heat transfer in liquid (magma)
- 4. The amount of heat,heating the ocean floor.
- 5. The theory of plate movement.
- 7. Are bounded on all sides of major faults
- 8. About 100km thick. (ch.13 notes)
- 9. A bunch of Volcanoes and earthquake spots located along the plate boundary
- 11. Two tectonic plates that are moving away from each other.
- 12. Single giant continent.