Physical & Chemical Change

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Across
  1. 4. something which shows that something else is true
  2. 7. matter in which the substances that make up that matter change into substances with different chemical and physical properties.
  3. 9. the amount of matter in an object.
  4. 10. matter that is made up of two or more different kinds of atoms joined together by chemical bonds
  5. 11. the substances that are produced by the chemical reaction
Down
  1. 1. to be a sign or symbol of something
  2. 2. is a number placed in front of an element symbol or chemical formula in an equation
  3. 3. occurs when atoms of one or more substances rearrange to form one or more new substances
  4. 5. a force that holds atoms together
  5. 6. are the starting substances in a chemical reaction
  6. 8. equal amounts of something
  7. 12. A particular smell
  8. 13. matter that has a particular chemical makeup