Energy and Chemical Reactions

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Across
  1. 1. Used to speed up a chemical reaction
  2. 4. A reaction that gives off heat
  3. 7. It is a biochemical reaction
  4. 9. Needed for respiration to occur
  5. 10. A reaction that keeps the heat in
Down
  1. 2. Energy to get going
  2. 3. A factor that affects respiration
  3. 5. Needed to react with glucose
  4. 6. Proteins that work at a particular temperature
  5. 8. The ability to work