University Corporation for Atmospheric Research
Ucar: Clouds How Do Clouds Form?
A brief look at cloud formation. Find out what the main process behind cloud formation is and what clouds are composed of. Click links to learn how to create a cloud and also to find out about the different kinds of clouds.
NASA
Nasa Earth Observatory: Changing Global Cloudiness
Learn what clouds are made of and how they form. Read reports from several different cloud observations and how the clouds effect climate.
NASA
Nasa Earth Observatory: Clouds in a Clear Sky
This article introduces the different layers of the atmosphere and the clouds that are formed there. Scientists use instruments such as the SAGE 11 that help to measure amounts of sunlight, water vapor, and other conditions that affect...
NASA
Nasa Earth Observatory: Every Cloud Has a Filthy Lining
This article discusses what clouds are made of, including the dirty particles in them called aerosols. Learn about the natural and man-made sources of aerosols.
Alabama Learning Exchange
Alex: All About Clouds
This instructional activity uses hands-on activities and trade books along with websites to explain the formation of clouds. This instructional activity may be used in conjunction with a weather unit.