Across
- 2. Volcano is not expected to erupt again
- 6. tectonic plates separate
- 7. Waves that cause earthquakes
- 8. the first name of the scientist responsible for continental drift theory
- 10. long tube that connects magma chamber to earth's surface
- 12. outermost layer of the Earth
- 13. tectonic plate slide past each other
- 14. substance found inside volcanoes
- 15. supercontinent
- 17. causes the movement of tectonic plates
- 21. tectonic plates collide
- 22. layer of the Earth that contains magma
- 24. contains plates that cause earthquakes and volcanoes
Down
- 1. point on Earth's surface directly above the focus
- 3. tectonic plates collide, one sinks into mantle
- 4. bowl shaped area at the top of volcanoes
- 5. scale used to rate earthquakes based on the size of seismic waves. Most commonly used.
- 9. innermost layer of the Earth
- 11. pieces of earth's crust
- 16. when a volcano erupts often it is said to be:
- 18. area under earth's surface where rocks are under stress
- 19. volcano has not erupted in 200 years
- 20. Opening where magma is released
- 23. shaking and trembling of the earth