Across
- 1. How a mineral reflects light
- 5. Seismic waves that cause the most destruction
- 6. Physical property that describes a material's resistance to flow
- 9. Where most volcanoes form
- 12. Type of rock that forms as the earth squeezes and heats rocks
- 16. Type of boundary where plates move away from each other
- 23. Minerals that contain silicon and oxygen
- 24. Scientists believe that these cause the motion of our tectonic plates
- 25. Type of boundary where plates slide horizontally past each other
- 26. Pangaea translates to this in Greek
- 28. Most powerful erosion force
- 29. Mineral property that is the most noticeable but least reliable
Down
- 2. 2/3 of Earth's volcanoes occur here
- 3. Type of rock formed when sediment is compacted and cemented
- 4. Minerals are....
- 7. Largest type of volcano
- 8. Volcanoes are fueled by...
- 10. Person who came up with the theory of continental drift
- 11. Surface waves are the...
- 13. Type of boundary where plates move towards each other
- 14. Magma that reaches the surface
- 15. Type of volcano that forms far from plate boundaries
- 17. Type of structure that minerals have
- 18. Earthquake scale that uses the roman numerals I TO XII
- 19. Type of rock that is formed by cooling magma
- 20. Most rocks on Earth's surface are...
- 21. Person who came up with seafloor spreading
- 22. The 2 responses that can occur when a rock undergoes stress or strain are elastic and ___________ deformation
- 27. Is the streak of a mineral always the same color as the mineral
