In this lesson: Students build on these ideas by creating a physical model of the water cycle. Students use water, ice, and plastic wrap to model the ocean and cold upper atmosphere. Students use ...

It follows a cycle of evaporation, condensation, precipitation and collection. The sun heats up water on land, in rivers, lakes and seas and turns it into water vapour. The water vapour rises into ...

When a cup filled with cold water is exposed to air, the water in the air condenses onto the side of the cup. If the cup of cold water is not exposed to air, no condensation will form. The fast-moving ...