Chapter 2 Keyword Revision
Across
- 3. when plates collide and the heavier plate is pushed under the lighter plate
- 5. period of folding about 250 MYA when the Eurasian Plate and the African Plate collided
- 7. a person who studies volcanoes
- 10. a person who studies earthquakes
- 11. a large, destructive wave caused by an earthquake on the ocean floor
- 12. period of folding about 30-35 MYA when the Alps were formed
- 15. a volcano that erupts regularly
- 17. the point on the Earth's surface directly above where the earthquake begins
Down
- 1. the huge landmass where the continents were once joined together
- 2. the opening at the top of the vent of a volcano
- 4. a volcano that has not erupted in a long time, but may erupt again
- 6. the constructive boundary where two plates are pulling away from one another
- 8. uring the Earth's resources in a responsible way so that they are still available for future generations
- 9. the location in the Earth's crust where an earthquake begins
- 13. magma when it has reached the surface
- 14. a measure of the intensity of earthquakes
- 16. a volcano that will never erupt again