Three Classes of Rock Puzzle

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Across
  1. 2. This type of igneous rock cools inside the earth's surface.
  2. 6. This type of metamorphic rock does not have mineral grains that are aligned in planes or bands.
  3. 8. This type of metamorphic rock has mineral grains that are aligned in planes or bands.
  4. 10. This type of sedimentary rock forms when sediments are buried, compacted, and cemented together by calcite or quartz.
  5. 11. This type of igneous rock cools outside the earth's surface.
  6. 13. This type of sedimentary rock forms from the remains of once-living plants and animals.
  7. 14. This foliated can be split into very thin layers.
Down
  1. 1. This class of rock forms when it is exposed to high temperature and pressure.
  2. 2. This class of rock forms when hot, liquid magma cools into solid rock.
  3. 3. This clastic sedimentary rock is composed mostly of silt and clay.
  4. 4. This class of rock usually forms near the earth's surface and occurs mainly with weathering, erosion, and deposition.
  5. 5. This extrusive igneous rock is composed largely of dark minerals, typically black and brown.
  6. 7. This extrusive rock is composed largely with silica.
  7. 9. This type of sedimentary rock forms when water evaporates.
  8. 12. This foliated metamorphic rock is commonly used in flooring, tiles, and stone gardens.