Across
- 3. The green pigment in plants that absorbs sunlight
- 5. The part of a plant cell where photosynthesis happens
- 6. An organism that makes its own food
- 8. The process plants use to make food using light, carbon dioxide, and water
- 9. A substance used up in a chemical reaction
- 11. A substance that gives color and absorbs light
- 13. A substance plants store extra glucose as
Down
- 1. A nutrient that provides energy, such as sugars and starch
- 2. Tiny openings in leaves that allow gas exchange
- 4. A nutrient needed for growth and repair
- 7. The process by which living things release energy from food
- 10. An organism that gets energy by eating other organisms
- 11. A substance made in a chemical reaction
- 12. A sugar made during photosynthesis