Matter

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Across
  1. 1. a gas that moves very fast because of extreme heat
  2. 4. a liquid or a gas
  3. 6. has no definite shape or volume
  4. 7. has neither a definite shape or volume
  5. 8. any object that has mass and takes up space.
Down
  1. 2. has both a definite shape and volume
  2. 3. is the amount of force that pushes on an area.
  3. 5. how compact an object matters is.