Physical Science Unit 1

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Across
  1. 4. a substance made of two atoms of more than one element bound together
  2. 8. substances are not uniformly mixed
  3. 9. what assumes the shape and volume of its container
  4. 10. any matter that has a fixed composition and definite properites
  5. 12. chemical symbols and numbers indicating the atoms contained in the basic unit of a substance
  6. 14. a substance that cannot be broken down into simpler substances
  7. 17. a combination of more than one pure substance
  8. 18. describes 2 or more liquids that are able to dissolve into each other in various portions
Down
  1. 1. rigid- partiles locked into places
  2. 2. describes 2 or more liquids that do not mix into each other
  3. 3. flows easily, not easily compressible
  4. 5. mixing occurs between individual units
  5. 6. the force exerted per unit area of a surface
  6. 7. the mass per unit volume
  7. 11. the smallest unit of a substance that exhibits all of the properties characteristic of that substance
  8. 13. anything that has mass and occupies space
  9. 15. the ability to change or move matter
  10. 16. the smallest particle that has the properties of an