Clouds are made of tiny drops of water or ice in the air. They form when air rises and cools. This makes the water in the air change into a liquid.
Photo Credit: Don Hammond/Design Pics
In the Know
Restaurants Get Creative for Outdoor Dining in Winter
How are restaurants changing for COVID-19? In the summer, restaurants … read more
In the Know
Body Technology
These tools replace the missing body part. They help people … read more
In the Know
Mammals Cool Themselves in Unique Ways
Mammals use moisture to cool off when they are hot. … read more