Water is very important to all life forms. If there was no water on the planet, all living things would cease to exist after a while and some sooner than others. One of the many important uses of water is to quench our thirst. When we get thirsty, it is our body telling us that it needs more water. This is why it is very important to drink water regularly! Examine the graph in the worksheet with your kids, and help them answer the questions using the graph.