Across
- 1. carbon dioxide
- 2. substances that are made a chemical reaction
- 3. green pigment
- 5. what the plants emits after carbon dioxide
- 8. what's needed for a reaction to take place
Down
- 1. where the photosynthesis takes place
- 2. the process that makes food in the form of sugar and produce oxygen
- 4. light from the sun
- 6. sugar
- 7. H2O