Chemical Reactions

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Across
  1. 1. an ending substance that is made during a chemical reaction
  2. 3. a process in which atoms rearrange to form new substances (two words)
  3. 4. Building block of all matter
  4. 6. to change the order or position of something
  5. 9. something that is made of all the same atoms or groups of atoms
  6. 10. a group of atoms joined together in a particular way
  7. 11. a starting substance that is part of a chemical reaction
Down
  1. 2. letters and numbers showing the types and number of atoms that repeat to make up a substance (two words)
  2. 5. something that can be observed about a substance, such as color, smell, or boiling point
  3. 7. A chemical reaction that produces heat as a product
  4. 8. A chemical reaction that absorbs heat from its environment