Across
- 2. A reactant in photosynthesis
- 4. A product of photosynthesis
- 6. Essential for all life
- 7. The way plants get water
- 8. How plants make food
Down
- 1. A waste product of photosynthesis
- 3. The energy the Sun gives
- 4. The color chlorophyll makes leaves
- 5. A green organelle
- 9. The thing that gives energy