Rocks

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Across
  1. 3. / What the 3 types of rocks?
  2. 6. / Indicidating when the rock formed, past enviornments, matching rock of the same age found in different places
  3. 9. / Cementation often occurs directly after Earth’s materials are _______________________
  4. 12. / Peridotite, which is composed mostly entirely of dark silicate minerals and is believed to make up much of Earth’s upper mantle, has a composition that is ________________________
  5. 13. / Weathering causes rocks to break down and make ______________________
  6. 15. / Igneous rocks with two distinct different crystal sizes is _________________________ texture
  7. 18. / Rocks that form from cooling lava is _________________________ igneous rock
  8. 19. / Igneous rocks form from __________________________
  9. 20. / When a large mass of magma solidifies far below Earth’s surface, they form igneous rocks that have ________________________ texture
  10. 24. / Name the process that form sedimentary rocks?
  11. 25. / What type of rocks are formed by processes powered by the sun?
  12. 26. / Intrusive igneous rocks form when _____________hardens and cools beneath Earth’s surface
  13. 27. / is a rock that forms as a result of _compaction and cementation____________________________
  14. 29. / Coal is a rock even though it consists of __________________ material
  15. 30. / A metamorphic rock is classified by what 2 features?
  16. 31. / A fine-grained igneous rocks forms ?
Down
  1. 1. / What are the 3 agents of metamorphism?
  2. 2. / Where do most metamorphic processes take place:
  3. 4. / A __________________metamorphic rock forms when crystals Combine and form visible bands
  4. 5. / Metamorphic rocks that consist of only one mineral that forms large interlocking crystals often have a _____________________ texture
  5. 7. / Fossils are found only in ___________________rocks
  6. 8. rocks result from what 2 processes?
  7. 10. / A rock that forms when magma hardens beneath Earth’s surface is called ___________________ rock
  8. 11. / Most rocks are made of a __________________ of minerals
  9. 14. / All of the energy that drives Earth’s rock cycle comes form ___
  10. 16. / What type of sedimentary rocks is formed from weathered particles of rocks and minerals.
  11. 17. / Ripple marks indicate what type of environment ____________________________
  12. 21. / Rocks are classified by how they are ___________________
  13. 22. These are the ______________ steps: melting / cooling, rocks broken down into smaller pieces, heat and pressure
  14. 23. / What agent of metamorphism causes composition of rock to change?
  15. 28. / What is large-scale folding of rocks during the process of mountain building is a characteristic of ______________________ metamorphism