Rocks

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Across
  1. 2. This type of rock forms when an igneous or sedimentary rock is subject to intense heat or pressure or both.
  2. 3. Extrusive igneous rocks have much smaller crystals than intrusive igneous rocks because they cool much _____________.
  3. 6. Molten rock inside of the crust/earth.
  4. 7. Sedimentary rock sometimes contains __________.
  5. 10. This type of rock forms from cooled lava or magma.
  6. 11. This type of igneous rock forms on top of the crust.
  7. 12. Mixture of one or more minerals.
  8. 14. Molten rock outside of the crust/earth.
  9. 15. Sedimentary rocks of form in straight _____________.
  10. 16. Mineral crystals aligned in parallel layers from intense pressure.
  11. 17. This type of igneous rock forms inside of the crust/earth.
Down
  1. 1. This type of rock forms when weathered and crushed rock particles deposit, buried, and cement together under pressure.
  2. 4. Metamorphic rocks have gone through a big __________.
  3. 5. Metamorphic rocks generally come in two types, ___________ and non-foliated.
  4. 8. The building blocks of rocks. One or more of these together creates a rock.
  5. 9. Particles (sediment) in sedimentary rocks are often _________ from being weathered, scratched, and chipped.
  6. 13. Intrusive igneous rocks usually have large well formed ___________.