Science stuff

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Across
  1. 3. no oxygen
  2. 5. hypothesis
  3. 7. everything is made of this
  4. 8. mental or physical..
  5. 11. eating system
  6. 12. a thought or idea
  7. 13. we see because of it
  8. 14. living thing, pets etc.
Down
  1. 1. push or pull
  2. 2. prediction
  3. 4. weather
  4. 6. planet life
  5. 9. gives shape to your body
  6. 10. these can be corrosive