Water cycle

4. Earth is a ________ system for water
7. Provides almost all of the energy needed for living things and processes on Earth
8. Water is _________ in streams, lakes and oceans
10. A continuous chain of events that repeats with no beginning or end
11. Water vapor turns back into liquid water
14. A cloud that forms close to Earth's surface
15. Water is a ________ in water vapor
16. Any form of water falling to Earth's surface
17. When precipitation runs downhill due to gravity

1. Water is ________ in ice caps and glaciers
2. When water from runoff collects in bodies of water
3. Water is and has been continuously ___________ ever since Earth was made
5. Water is warmed by the sun's _____________
6. When runoff collects in bodies of water
9. The water cycle is the continuous ____________ of water on and above Earth's surface
12. Liquid water changes into water vapor
13. Tiny drops of water that have condensed in the atmosphere can form ___________