States of Matter

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Across
  1. 1. all the variables are being controlled except the one that is being tested
  2. 7. the basic procedure in a controlled experiment before changing variables
  3. 8. a change to matter in which no new kinds of matter are formed
  4. 10. the pull of gravity on matter
  5. 12. the state of matter with a definite volume but no definite shape
  6. 13. the amount of matter in an object
  7. 14. state of matter that has no definite shape or volume
  8. 16. anything you can change in an experiment that might change the outcome
  9. 19. the characteristics of a substance that can be measured without changing the substance
  10. 20. a combination of two or more substances in which no new kinds of matter are formed
Down
  1. 1. a change in which a substance becomes a DIFFERENT substance
  2. 2. anything that has mass and takes up space
  3. 3. the changing of a solid to a liquid
  4. 4. the changing of a gas to a liquid
  5. 5. the state of matter with a definite shape and volume
  6. 6. the amount of space anything occupies
  7. 9. particular types of matter with specific properties
  8. 11. to spread out evenly in a liquid
  9. 15. the changing of a liquid to a solid
  10. 17. the changing of a liquid to a gas
  11. 18. the smallest unit of a substance