Science Vocabulary

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Across
  1. 1. takes up space
  2. 5. stuff
  3. 6. size
  4. 7. see
  5. 8. object
  6. 10. amount of matter
  7. 11. form of object
Down
  1. 2. float or sink
  2. 3. gas
  3. 4. tight space
  4. 9. similar things