Matter

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Across
  1. 3. The number of square units on a surface
  2. 4. A state of matter with fixed shape and volume
  3. 6. The number of units from on end to another
  4. 7. The space that matter takes up
  5. 9. The relationship between mass and volume
Down
  1. 1. The smallest part of matter
  2. 2. The amount of matter that makes an object
  3. 5. An upwards force of a gas or liquid
  4. 8. Everything that has mass and volume