Physical Science Unit 6a Vocab

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Across
  1. 3. a type of mixture in which the substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another
  2. 5. any property that produces a change in the composition of matter
  3. 6. a mixture that forms when substances dissolve and form a homogeneous mixture
  4. 11. the smallest particle of an element
  5. 12. a heterogenous mixture that separates into layers over time
  6. 16. matter that always has exactly the same composition; an element or compound
  7. 17. the state of matter in which materials have a definite shape and a definite volume
  8. 19. a process that separates materials based on the size of their particles
  9. 21. the ability of a solid to be hammered without shattering
  10. 23. a material’s ability to allow heat or electric charges to flow
  11. 24. the temperature at which a substance changes from solid to a liquid
  12. 26. the state of matter in which a material has neither a definite shape nor a definite volume
Down
  1. 1. a process that separates the substances in a solution based on their boiling points
  2. 2. the temperature at which a substance boils; the temperature at which vapor pressure is equal to atmospheric pressure
  3. 4. a type of mixture in which the parts of the mixture are noticeable different to distinguish one substance in the mixture from another
  4. 7. a change that occurs when some properties of a material change, but the substance in the material stay the same
  5. 8. any characteristic of a material that can be observed or measured without changing the composition of the substance in the material
  6. 9. a solid that forms and separates form a liquid mixture
  7. 10. change that occurs when a substance reacts and forms one or more new substances
  8. 13. a mixture that contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension
  9. 14. a material’s ability to burn in the presence of oxygen
  10. 15. the property that describes how readily a substance combines chemically with other substances
  11. 18. the tendency of a liquid to keep from flowing; resistance to flowing
  12. 20. a substance that cannot be broken down into simpler substances
  13. 22. a substance that is made from two or more simpler substances and can be broken down into those simpler substances
  14. 25. the state of matter in which a material has a definite volume but not a definite shape