Across
- 2. When water vapor cools and turns back into liquid.
- 4. The layer of gases around the Earth.
- 5. A series of events that repeat in the same order.
- 6. When water turns into vapor and rises into the air.
- 9. To make something part of a group or set.
- 11. Something that goes on without stopping.
- 12. A series of actions or steps taken to achieve something.
Down
- 1. To change from gas to liquid.
- 3. Rain, snow, sleet, or hail that falls from the sky.
- 7. The act of changing position or place.
- 8. Gathering things together.
- 10. The planet we live on.
