SCIENCE

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Across
  1. 2. layer
  2. 3. solid rock that forms earth's surface
  3. 6. process of rock breaking down
  4. 7. formed by heat and pressure
  5. 8. formed by melted rock
  6. 10. solid substance made of minerals
  7. 11. smallest particle
Down
  1. 1. changing rock into other rock
  2. 4. formed by sediment
  3. 5. decayed living things
  4. 7. solid substance occurred in the ground
  5. 9. largest particle