Across
- 4. The plants own food
- 7. It's one type of nutrient plants need to grow
- 8. It is a process in which plants make their own food
- 9. The gas plants give back to the air
- 10. They are dissolved in the water plants find in the soil
- 11. Plants find it in the soil
Down
- 1. Some nutrients for the plants are calcium, _____, and nitrogen
- 2. A substance that makes the leaves green
- 3. The gas plants use to make photosynthesis
- 5. A mixture of carbon dioxide, water, and sunlight
- 6. Carbon dioxide is a _____ found in the air