Across
- 1. CO2
- 5. The process a plant makes to get energy
- 7. is a substance that changes in a chemical reaction
- 8. What gives a leaf its color
- 9. light produced by the sun
Down
- 1. When 1 or more substances in changed
- 2. a substance that is present at the end of a chemical reaction
- 3. reaction When nothing is changed at the atomic level
- 4. An organelle that makes photosynthesis happen
- 6. H2O