C5

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Across
  1. 2. Matter cannot be created or destroyed
  2. 6. Slows down a reaction
  3. 8. Collected information
  4. 9. Absorbs heat
  5. 11. Starting material in reaction
  6. 13. Scientific test
  7. 14. Well-supported scientific explanation
  8. 15. Speeds up a reaction
Down
  1. 1. Using senses to gather information
  2. 3. Releases heat
  3. 4. Factor that changes in an experiment
  4. 5. Substance formed in reaction
  5. 7. Testable prediction
  6. 10. Rule based on repeated experiments
  7. 12. Constant in an experiment