Matter

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Across
  1. 2. a state of matter with densely packed particles
  2. 5. a state of matter where particles can move
  3. 6. the least dense state of matter
  4. 8. how well something floats
  5. 10. what can be observed and measured
  6. 11. a measure of how much space an object takes up
Down
  1. 1. a measure of the amount of matter in an object
  2. 3. the amount of matter in certain volume of a substance
  3. 4. anything that has mass and takes up space
  4. 7. the smallest parts of matter
  5. 9. causes objects to weigh different amounts on different planets.