Vocabulary

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Across
  1. 6. water
  2. 7. to stimuli when an organism reacts
  3. 9. the amount of matter
  4. 10. gravity on an object
  5. 12. space
  6. 13. life
  7. 14. two or more substances
Down
  1. 1. a group
  2. 2. properties ability of a substance
  3. 3. a kind of matter
  4. 4. two or more elements
  5. 5. matter i made
  6. 8. properties a characteristic
  7. 9. the scientific word for stuff
  8. 11. substances