Across
- 4. When water vapor cools down and forms clouds.
- 7. The cycle that makes rain fall and fills our rivers.
- 9. The vital gas we need to breathe, produced by plants.
- 10. An invisible gas that makes up most of the air and helps plants grow strong.
Down
- 1. Any form of water that falls from clouds, like rain or snow.
- 2. The special process plants use to make their own food using sunlight.
- 3. An organism that eats other organisms to get energy.
- 5. When water turns into vapor and rises into the sky.
- 6. Tiny organisms like bacteria and fungi that break down dead matter.
- 8. The element that plants "breathe in" and animals "breathe out."