Some of the water turns into an invisible gas called water vapour. This is the first part of the water cycle and it's called evaporation. As the water vapour rises, it cools and as it cools it ...

The film is a whimsical explanation of the water cycle, presented as a response to a child's letter about rain. The narrator explains how rain is formed, the process of evaporation, condensation, and ...

Students will be able to develop and explain a particle-level model to describe evaporation and condensation in the context of the water cycle. The water cycle depends on the processes of evaporation ...