Across
- 1. A volcano that is currently erupting
- 3. Color of a mineral when rubbed against a tile
- 5. Currents in the mantle that cause the motion of the plates
- 7. Innermost layer of the Earth
- 11. The ability to do work
- 13. Plates that move towards each other
- 15. Mass/Volume
Down
- 2. Did not come from a living thing
- 4. The scale that is used to determine the hardness of a mineral
- 6. A mineral's ability to split easily
- 8. All the water on Earth
- 9. Molten rock that is below the earths surface
- 10. Molten rock that is or above earths surface
- 11. A volcano that isn't expected to erupt
- 12. The third planet from the sun
- 14. An opening to a volcano