Matter

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Across
  1. 4. tiny particle
  2. 7. principle of matter
  3. 9. how hot or cold something is
  4. 10. physical objects are made of it
  5. 11. how matter is conserved in nature
  6. 13. scientist who studies matter
  7. 14. unit of length
Down
  1. 1. characteristic of matter
  2. 2. how much matter is in an object
  3. 3. a unit of measurement
  4. 5. how much space something occupies
  5. 6. unit of volume
  6. 8. unit of temperature
  7. 12. how long something is