Across
- 4. dioxide What gas do plants take in from the air to make food?
- 6. What do plants give out into the air after photosynthesis?
- 7. What is the name of the process where plants make their own food?
- 8. When do plants use sunlight to make food—day or night?
Down
- 1. What part of the plant makes food?
- 2. What do green plants need from the sun to make food?
- 3. What is the green part in leaves that helps make food?
- 5. What do plants take in from the ground to help them grow?