Across
- 1. natural satellite (4 letters)
- 5. part of a plant (4 letters)
- 7. Clues
- 9. water (3 letters)
- 10. body of saltwater (5 letters)
Down
- 1. gas for breathing (6 letters)
- 2. layer of gases surrounding Earth (10 letters)
- 3. Clues
- 4. tall, has leaves and branches (4 letters)
- 6. substance in leaves (11 letters)
- 8. of energy for life on Earth (3 letters)
- 11. known for building dams (6 letters)