Unit 4 Review

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Across
  1. 2. When rain or snow occurs
  2. 4. When sediment falls off other rock due to gravity
  3. 8. Type of weathering that occurs with oxidation
  4. 11. Rock: made from cooling of lava or magma
  5. 12. Boundary where tectonic plates move against each other
  6. 13. Rock formed from heat and pressure from igneous or sedimentary rock
  7. 14. Lowland Valley of a divergent boundary
  8. 16. Mechanical Biological Chemical
  9. 17. Windblown erosion causing polishing or pitting in rock
Down
  1. 1. When tectonic plates separate
  2. 3. Area of subduction forming a deep shaft in the ocean floor
  3. 5. When one tectonic plate moves below another
  4. 6. When Tectonic plates slide laterally
  5. 7. Type of weathering like the freeze thaw cycle or erosion
  6. 9. Rock made by compression and cementation
  7. 10. Type of weathering like moss or coral do
  8. 15. what rocks are made of