All common household or classroom materials can be saved or disposed of in the usual manner. 1. Introduce the idea of building a model of the water cycle. Remind students that they have seen and used ...

The water cycle is the journey water takes as it moves from the land to the sky and back again. It follows a cycle of evaporation, condensation, precipitation and collection. The sun heats up ...

No hang on, not THAT kind of cycle. Now what’s that you’ve got there? A shrink ray?! Right go on, into the sea with you. So, the sun heats up water in the sea, rivers and lakes, and turns it ...