Categories of Matter Crossword

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Across
  1. 2. gravitational force on an object
  2. 4. amount of space something takes up
  3. 5. amount of matter something has
  4. 6. two or more atoms chemically combined
  5. 8. everything in the universe
Down
  1. 1. building block of all matter
  2. 3. substance made of one type of atom
  3. 6. two or more atoms not chemically combined
  4. 7. new substance has new properties
  5. 9. an example of non matter