Across
- 3. Water is made-up of two _____________ and one oxygen atom.
- 4. Water molecule.
- 6. A pigment present in plants used for catching the sun's energy.
- 8. The most important star that maintains life on earth.
- 9. The product of photosynthesis.
- 10. We breathe out this gas, which is used by plants in photosynthesis.
Down
- 1. The gas plants breath out and we breathe in.
- 2. A process in which plants use sunlight to make food.
- 5. Responsible for photosynthesis.
- 7. Packets of energy from the sun.
