Water is a very important element of life. Without water, life forms would cease to exist in a very short while on Earth. Luckily for all of us, the Earth’s surface is a whopping 75% water. This means that there is plenty of water to go around. The water is of course in different forms such as rivers, oceans, and lakes. Ask your kids if they can give you some more examples of the forms of water. Then, look at this worksheet and help them check off the correct name for each type of water found on Earth.