science topic 4

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Across
  1. 3. hill with steep sides and flat top
  2. 5. from molten rock
  3. 9. cracks in Earth's crust
  4. 11. particles that settle in layers
  5. 12. deep narrow area in mountains
  6. 13. process where particles are removed
Down
  1. 1. something that occurs again and again
  2. 2. a key
  3. 4. sunken areas in ocean floor
  4. 6. small pictures/letters
  5. 7. process that breaks down rocks
  6. 8. ROSE shows directions
  7. 10. rocks changed by heat/pressure