Across
- 4. a green pigment that allows the plant to absorb sunlight
- 5. process by which plants make food
- 8. what is needed for a reaction to take place, ex: CO2 and water
- 9. another word for light energy
Down
- 1. a reactant for photosynthesis
- 2. organelle where photosynthesis takes place and only found in plant cells
- 3. another word for sugar
- 5. substances formed after a chemical reaction, ex: O2 and glucose
- 6. big star in the sky and provides energy for plants
- 7. H2o