Across
- 4. a group of parts working together
- 6. water gathers together due to a change in temperature or pressure, going from a gas to a liquid again
- 7. liquid turns into vapor because of temperature or pressure
- 8. examples are lakes and ponds
Down
- 1. evaporation off of plants' leaves
- 2. water falls to the earth in the form of rain or snow or sleet or hail
- 3. something that occurs over and over again
- 5. all the water components of the Earth