Minerals, Rocks, and Soil
Across
- 4. Metal often found in the mineral ore scheelite
- 5. never-ending process that causes rocks to be built, changed, and destroyed
- 7. Rock that has changed from one type to another
- 11. The process of crystals forming
- 14. What mineral forms when molten rock hardens
- 15. Mineral with a hardness rating of 10
- 16. The mass of an object in a given space, or volume
- 17. Rock formed from the remains of living things
- 18. A rock that contains a metal or a valuable mineral
- 20. Metal used in batteries
Down
- 1. Igneous rock that forms when when magma cools below Earth's surface
- 2. Forms when molten rock cools
- 3. Mineral that is magnetic
- 6. from when layers of sediment are pressed and then stick together
- 8. Igneous rock that forms when lava cools above Earth's surface
- 9. Mineral used in pencils
- 10. A layer of hot, molten rock
- 12. hot molten rock, or magma, that erupts from a volcano
- 13. A material that forms from decayed plants and animals
- 19. The breaking down of rocks through the action of water, wind, and glaciers