Matter Crossword Puzzle

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Across
  1. 2. When something is less dense than water it...
  2. 5. The size of an object.
  3. 7. Free-moving, but you can't see it most of the time.
  4. 8. Some matter when placed in Salt Water...
  5. 10. Something that is hard.
  6. 11. These maintain the physical properties of their ingredients.
  7. 12. A powder that disappears in water is...
Down
  1. 1. Matter that allows energy to pass through.
  2. 3. Matter that stops energy.
  3. 4. Comparing two liquids can help determine their...
  4. 5. Something that is attracted to a magnet.
  5. 6. Something that is free-moving.
  6. 9. When something is more dense than water it...