Across
- 3. The substances that start a chemical reaction, like water and carbon dioxide.
- 8. The pigment in plants that captures light energy.
- 9. What plants produce and store during photosynthesis.
- 10. A community of living and nonliving things interacting in an environment.
- 13. An essential molecule plants absorb through their roots for photosynthesis.
- 16. The process plants use to convert sunlight into chemical energy.
- 18. Something that cycles through living and nonliving parts of an ecosystem.
- 19. The rigid layer that surrounds plant cells.
- 20. A gas released by plants during photosynthesis.
- 21. An element that cycles through living and nonliving parts of the ecosystem.
- 22. Small openings on the underside of leaves that allow gases to enter and exit.
- 23. An organism that produces its own food, like plants.
- 24. An organism that makes its own food through photosynthesis.
Down
- 1. A gas absorbed by plants during photosynthesis.
- 2. The energy from the sun used in photosynthesis.
- 4. The sugar molecule produced by photosynthesis.
- 5. The part of the plant that absorbs water and nutrients from the soil.
- 6. The part of a plant cell where photosynthesis happens.
- 7. An organism that must consume other organisms for energy.
- 11. The process of breaking down and rearranging molecules to form new ones.
- 12. The powerhouse of the cell, where energy is released from glucose.
- 14. The part of the plant that captures sunlight for photosynthesis.
- 15. The organelle in plant cells where photosynthesis occurs.
- 16. The substances formed at the end of a chemical reaction, like glucose and oxygen.
- 17. The main source of energy for photosynthesis.
