Learn about the water cycle - how water moves around the world and supports life on Earth - with the help of our simple explanations, printables, slideshows and worksheets. We've provided a range of activities so that you can choose those appropriate for the age and stage of your children. In the UK, children usually learn about the water cycle in Year 4. What is the Water Cycle? Water on Earth is constantly moving, changing state (from liquid, to gas, to solid) and being recycled. The water…