Across
- 2. Harry ____ is the scientist that created the sea floor spreading theory
- 4. This type of volcano is created by a build up of ash/cinders
- 6. The device that measures earthquakes
- 9. The only liquid layer of the Earth
- 11. a ______ is the landform created at the bottom of the ocean when crust is subducted back into the earth
- 12. a liquids resistance to flow
- 15. _______ ridges are underwater mountain ranges where new crust is created
- 17. The scale that measures wave intensity from 0-10
- 18. This type of boundary occurs when two plates move toward each other
- 21. This type of volcano is created by lava flows
- 22. This type of boundary occurs when two plates move away from each other
- 23. a crack or break in the Earth's crust
- 24. The point directly above the focus on the surface of the Earth
- 25. The scale that measures the observable damage of an earthquake
- 26. This is the portion of a volcanoes life when it is erupting or may erupt in the near future
Down
- 1. Alfred _____ is the scientist that developed the theory of continental drift
- 3. The point within the Earth where an earthquake occurs
- 5. What is Mrs. Maddox's favorite drink
- 6. This type of boundary occurs when oceanic moves under continental
- 7. This is the portion of a volcanoes life when it is asleep/no active magma
- 8. This type of boundary occurs when two plates slip past each other
- 10. This is the portion of a volcanoes life when it is dead
- 13. This type of volcano is created by alternating layers of cinders and lava
- 14. What is the name of the mega continent that exsisted millions of years ago?
- 16. The upper layer of the Earth
- 19. This is the name of the Roman city that was buried by the eruption of Mt. Vesuvius
- 20. molten material that is under/in the Earth