Unit 9- Earth's Materials & Rock Cycle

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Across
  1. 2. a substance naturally formed in earth
  2. 3. force put onto a rock
  3. 5. what the earth is made up of
  4. 6. the movement of a plate in the earths crust into the mantle beneath another
  5. 9. when a rock has lots of heat and pressure it forms a new rock
  6. 11. it is part of the mantle and the crust, is right on top of the athenosphere
  7. 12. hot fluid below the earths crust
  8. 13. the densest layer of the earth, mostly made of Fe and Ni
  9. 15. how light interacts with the surface of a rock or crystal
  10. 16. when magma or lava crystallizes, it forms this type of rock
Down
  1. 1. the layer made of all liquid, made of Fe and Ni
  2. 2. the thickest layer of earth
  3. 4. located in the upper most mantle, right below the lithosphere
  4. 7. formed when sediments are weathered, deposited, and eroded to form a new rock
  5. 8. igneous rocks formed from magma forced into older rocks in the earth's crust
  6. 10. bringing together particles
  7. 14. a mark (usually a line) made from the surface of a rock