Matter

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Across
  1. 4. can be used to separate iron filings and sand
  2. 5. Goes from a liquid to a gas
  3. 10. a substance is ___________ dense if it floats in water
  4. 11. The third step in forming a sedimentary rock
  5. 12. a liquid that dissolves a solid substance
  6. 13. The fossil fuel made from dead animals & plants under the swamp
  7. 16. definite shape and definite volume
  8. 17. Salt is _________ in water because it dissolves.
  9. 19. Goes from a gas to a liquid
  10. 20. can be used to separate a solid and a liquid
Down
  1. 1. ______________ erosion causes canyons to form
  2. 2. no definite volume and no definite shape
  3. 3. Rocks are ___________ in water because they do not dissolve.
  4. 6. a substance is ___________ dense if it sinks in water
  5. 7. ___________ properties of matter describe an object without chemically changing it
  6. 8. When 2 or more substances are mixed together and can easily be separated.
  7. 9. When 2 or more substances are mixed together and can NOT be easily separated.
  8. 12. a solid substance that dissolves in liquid
  9. 14. Petroleum is another word for which fossil fuel
  10. 15. A ____________ forms a U-shaped valley
  11. 18. definite volume and no definite shape