Across
- 5. Melting and crushing are ____ changes
- 8. Reaction that feels cool
- 9. Substances that get changed during a chemical reaction
- 12. Cooling will make a reaction go ____
- 13. Add this to speed up a reaction
- 16. Must break during a chemical reaction
- 17. Make this higher to speed up a reaction
- 18. Substance that makes a reaction go faster
Down
- 1. Solid that forms from a liquid during a chemical reaction
- 2. Form when gas is created during a chemical reaction
- 3. Rusting and photosynthesis are _____ changes
- 4. Formed when one substance dissolves into another
- 6. Crushing a substance will increase this and speed up a reaction
- 7. Endothermic reactions absorb this from the environment
- 10. Agitating will make a reaction go ____
- 11. New substances that are created in a chemical reaction
- 14. Physical change where liquid becomes gas
- 15. Reaction that produces heat or light