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