Across
- 7. chemical change
- 8. substances on the left of the equation
- 11. disperse the heat
- 12. a large protein molecule that speeds up reactions
Down
- 1. an equation that shows the elements changing
- 2. a substance that speeds up the chemical reaction
- 3. a substance that slows the chemical reaction
- 4. the amount of energy needed for a reaction to occur
- 5. the certain amount of volume
- 6. how fast the chemical will react
- 9. absorbs the heat
- 10. ones on the left side