chemistry

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Across
  1. 2. absorbs energy
  2. 7. releases energy
  3. 8. a substance used to speed up the reaction
  4. 9. the yield of the reactants
  5. 10. can cause a heat release, or color change
Down
  1. 1. can increase with heat, or slow down when cooled
  2. 3. can speed up a chemical reaction or slow it down
  3. 4. two or more substances mixed to get a product
  4. 5. The amount of a pure substance
  5. 6. the "equal sign" of chemistry