Option 6: Use the free online versions Free but limited. If you need only the very basics of Microsoft Office, check out Microsoft OneDrive, a free service which includes access to online versions of Word, Excel, PowerPoint, and OneNote.
As air rises and cools the water in it can condense out, forming clouds. Since clouds drift over the landscape, they are one of the ways that water moves geographically around the globe in the water cycle. A common myth is that clouds form because cooler air can hold less water than warmer airâbut this is not true.
Explain Show an animation to help students understand what happens when gases condense to their liquid state. Show the animation Condensation. Explain that the fast-moving molecules of water vapor transfer their energy to the side of the cup, which is cooler. This causes the water vapor molecules to slow down.