One way to envision the water cycle is to follow a drip of water around as it moves on its way. I could really begin this story anywhere along the cycle, but I think the ocean is the best place to start, since that is where most of Earth's water is. This site contains a beautiful graphic of the water cycle. The Water Cycle Water on earth moves in a continuous cycle. There is about the same amount of water on earth now that there was when the dinosaurs roamed our planet.
Water is essential to life.
Without it, the biosphere that exists on the surface of the earth wouldn't be possible. This Canadian government site contains a list of links about the properties of water. All resources are also available in French. Water - In Canada are just a few of the topics indexed on this page. Water Basics Looking at water, you might think that it's the most simple thing around.