Unit 1 Matter

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Across
  1. 3. used to describe something using the 5 sense
  2. 7. the temperature at which a substance changes from a liquid to a gas
  3. 8. method used to separate two liquids based on boiling points
  4. 10. what we use to determine which values are important
  5. 13. two atoms of the same element that share a chemical bond
  6. 14. a uniform mixture
  7. 15. a change that produces a different arrangement of atoms
  8. 16. method used to separate liquids from dissolved substances
  9. 17. how accurate your measurement is to the actual answer
  10. 19. two or more substances physically combined
  11. 21. the study of matter and its interactions with its surroundings
  12. 22. a solid that forms when two liquids react
Down
  1. 1. used to describe something with the help of a tool
  2. 2. the temperature at which a substance changes from a solid to a liquid
  3. 4. when one of more physical property changes without changing the composition of the substance
  4. 5. a mixture in which the components may vary
  5. 6. the ability for something to dissolve in water
  6. 9. method used to separate solids from liquids
  7. 11. the method of finding the volume of an irregularly shaped object
  8. 12. a pure substance that cannot be broken down by chemical means
  9. 13. the amount of mass in a given amount of space
  10. 18. the amount of space something takes up
  11. 19. the amount of matter an object contains
  12. 20. the stuff things are made out of; must have mass and volume
  13. 23. two or more elements chemically combined together