Science Crossword

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Across
  1. 2. What do reactants make
  2. 4. What does endothermic reactions do with heat
  3. 7. Needed to Break Bonds
  4. 8. makes surroundings hotter
  5. 10. Acid and base that creates water and salt
  6. 12. With what are products made
  7. 13. Makes surroundings colder
  8. 15. Releases Heat
Down
  1. 1. Combine Molecules
  2. 3. h20
  3. 5. Chemical symbol is O
  4. 6. What does exothermic reactions do with heat
  5. 9. Chemical symbol is Cu
  6. 11. Takes in heat
  7. 14. Dioxide CO2
  8. 15. What is on the periodic table