Rock Cycle

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Across
  1. 2. A relatively hard mixture of more than one different mineral cemented together
  2. 3. A type of metamorphic rock with no layering
  3. 5. An example of a metamorphic rock with no foliation
  4. 8. An example of a sedimentary rock with small particles of sand
  5. 13. An example of extrusive igneous rock
  6. 14. The process of how rocks change slowly and repeatedly over time
  7. 17. A loose material consisting of rocks, minerals, and the remains of plants and animals
  8. 18. A rock that is formed from magma or lava
Down
  1. 1. Layering in a metamorphic rock
  2. 4. An igneous rock that forms outside of the Earth
  3. 6. An example of a metamorphic rock with foliation
  4. 7. An example of a mineral
  5. 9. A rock that is formed from particles of sand, shells, pebbles, and other fragments
  6. 10. An example of intrusive igneous rock
  7. 11. An igneous rock that forms inside the Earth
  8. 12. A rock that is formed from heat and pressure
  9. 15. An example of a sedimentary rock with fossils
  10. 16. A naturally-occurring, inorganic solid that has a crystal structure and definite chemical composition