ROCKS AND MINERALS

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Across
  1. 2. the process by which sediment settles out of water or wind
  2. 6. the way a mineral looks when it breaks into irregular pieces
  3. 8. a type of rock that forms when an existing rock is exposed to extreme heat and pressure
  4. 9. the transport of weathered sediments from one place to another
  5. 10. a solid mixture of two or more minerals or other materials
  6. 12. small, solid pieces of materials that come from rocks or organisms
  7. 14. a mineral's ability to split along flat edges
  8. 16. rock that contains a metal or useful mineral
  9. 18. the color of a mineral's powder
  10. 20. a hard, colorful mineral that has a brilliant, glassy luster
Down
  1. 1. a type of rock that forms when particles from other rocks or the remains of plants and animals are cemented together
  2. 3. an igneous rock that forms when magma hardens beneath Earth's surface
  3. 4. the way a mineral reflects light from its surface
  4. 5. a light colored, igneous rock found in continental crust
  5. 7. a naturally occurring, inorganic solid with a definite chemical composition and crystal structure
  6. 11. the process by which dissolved minerals glue particles of sediment together
  7. 13. an igneous rock that forms when lava hardens on Earth's surface
  8. 14. the process by which sediments are pressed together under their own weight
  9. 15. what the Moh's scale was used for
  10. 17. a dark, dense igneous rock found in oceanic crust
  11. 19. a type of rock that forms from cooling magma or lava