Matter Crossword

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Across
  1. 3. Anything that has mass and takes up space
  2. 5. The smallest unit of a substance
  3. 6. mixing occurs between individual units
  4. 9. The smallest particle that has properties
Down
  1. 1. A combination of more than one pure substance
  2. 2. substances are not uniformly mixed
  3. 3. Two or more liquids that can dissolve together
  4. 4. a substance made of more than one element
  5. 7. Two or more substances that don't mix
  6. 8. A substance that can't be broken down smaller