Across
- 2. The way materials move through living things and the environment
- 5. Living things that eat plants or other animals to get energy
- 7. An organism that makes its own food
- 8. Living things that can make their own food using sunlight
- 11. The green pigment in plants that helps them capture sunlight for photosynthesis
- 13. A gas in the air that people and animals breathe out and plants use to make food
- 15. A liquid that all living things need to survive
- 16. The process plants use to turn sunlight, water, and carbon dioxide into food and oxygen
- 18. Living things that must eat other organisms for energy
Down
- 1. The process cells use to break down food for energy
- 3. The part of a plant cell where photosynthesis happens
- 4. How energy moves through food chains
- 6. Living things that make their own food
- 9. A type of sugar made by plants during photosynthesis
- 10. Light and energy that comes from the sun
- 12. Anything that takes up space and has mass
- 14. A gas that people and animals breathe in, and that plants make during photosynthesis
- 17. The energy that cells use to do work
