Rock Crossword Puzzle

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Across
  1. 5. how metamorphic rocks are formed
  2. 8. there are three main types
  3. 9. Creates Intrusive Igneous rocks
  4. 10. Characteristics include:glassy surface, air bubbles, and large crystals
  5. 12. The first step of the rock cycle
  6. 14. Igneous rocks are formed by melting and ________
  7. 16. Creates Extrusive Igneous rocks
  8. 17. Characteristics include: bands of different colors and small crystals
  9. 18. Process that turns Metamorphic rocks into magma
  10. 19. extremely hot, molten rock under the surface of the Earth
  11. 20. The cycle of processes undergone by rocks on the Earth's crust, describe the rocks transitions through geological time
Down
  1. 1. Characteristics include: layers, fossils, chunks/ pieces of rocks, and grainy texture
  2. 2. how most Extrusive Igneous rocks are formed
  3. 3. Step when sediments collect
  4. 4. where most sedimentary rocks found
  5. 6. Intrusive Igneous rock, typically used for counter-tops
  6. 7. the study of Earth's physical structure, history, and rocks
  7. 11. Black Extrusive Igneous rock
  8. 13. name of weathered and eroded rock
  9. 15. Last step in the formation of Sedimentary rocks
  10. 19. metamorphic rock used in counter-tops
  11. 21. A combustible black or brownish-black sedimentary rock,used for power generation