Across
- 4. solar energy
- 5. sugar: food for a plant
- 6. green pigment in plants that absorbs light
- 7. gas plants absorb during photosynthesis
- 8. tiny openings in leaves that allow gas to pass through
- 9. gas released by plants during photosynthesis
Down
- 1. when an animal breathes in oxygen
- 2. necessary for photosynthesis
- 3. process used by plants to create energy