Csmithy's science crossword

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Across
  1. 2. describes two or more liquids that are able to dissolve into each other in various portions
  2. 6. any matter that has a fixed composition and definite properties
  3. 8. the smallest unit of a substance that exhibits all the characteristics of that substance
  4. 10. the ability to change or move matter
  5. 12. mixing occurs between individual substances
  6. 13. anything that has mass and takes up space
  7. 15. a combination of more than one pure substance
Down
  1. 1. the force exerted per unit area of a surface
  2. 3. the chemical symbols and numbers indicating the atoms contained in the basic unit of substance
  3. 4. substances are not uniformly mixed
  4. 5. the mass per unit volume
  5. 7. describes two or more liquids that do not mix
  6. 9. a substance made of atoms of more than one element bound together
  7. 11. substance that cannot be broken down into a simpler substance
  8. 14. smallest particle that has the properties of an element