Engage 1. Introduce the idea of building a model of the water cycle. Remind students that they have seen and used drawings and animations as models of a solid, liquid, and gas. Tell students that they ...

The water cycle is exactly what the name suggests: it’s the circulation of water in the atmosphere. This is such a fascinating concept and an important part of our earth since it shows how wa… ...

Curious Kids is a series for children in which we ask experts to answer questions from kids. If steam contains water, which goes up and evaporates, what does smoke from fire contain?