Curated OER
Water Happenings
Fifth graders observe how water changes phase through a teacher-led demo. In this earth science lesson, 5th graders relate the demo to the water cycle. They draw and label each stage of the cycle.
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.