1. Unit: Water and the Atmosphere
Lesson #1: Water in the Atmosphere
Essential Questions:
1.) How does water vapor move through the atmosphere?
2.) What is relative humidity and how it is measured?

2. How does water move through the atmosphere?
The movement of water cycle water through Earth’s systems, powered by the sun’s energy

4. Evaporation
the process by which molecules of liquid water escape into the air becoming water vapor

5. Condensation
the process by which water vapor
becomes liquid water

6. Precipitation
rain, snow, sleet and hail that fall from the clouds

7. Runoff
water that runs back into lakes, streams and oceans