You have only to look up into the sky to try your luck at weather forecasting. Clouds give us a clue about what is going on in our atmosphere and how the weather might change in the hours or even days to come. Each type of cloud forms in a different way, and each brings [...]

Have you ever wondered what a cloud looks like from the inside? If you’ve ever been in thick fog, you know. Fog is a cloud at ground level. It can form on clear nights when there is a lot of moisture in the air. A cloudless sky allows heat to escape up into space. Then [...]

Try this experiment with a grownup to make a cloud in a bottle. Get an empty two-liter plastic soda bottle and a match. Put about an inch of water into the bottle, have a grownup light the match, hold it inside the bottle for a few seconds, then drop it inside. Quickly put the cap [...]

You sometimes hear that “clouds act like a blanket” to keep temperatures from falling as low as they otherwise would if the sky were clear. It’s true that the effect of clouds can be like a blanket. But they work in a much different way. A blanket keeps us warm by keeping the warm air [...]