Across
- 3. The process by which plants make food using sunlight.
- 5. The star at the center of our solar system.
- 6. The natural satellite that orbits the Earth. (4)
- 7. The liquid we drink to stay alive. (5)
Down
- 1. The largest planet in our solar system.
- 2. The instrument used to look at stars and planets. (9)
- 4. The gas we breathe in to live. (6)