Water is considered one of our most precious resources. It gives life and nourishment for all living things, but it is capable of so much more. The power of water can be harnessed to create electricity for hundreds of thousands of homes. This is done by using a water turbine, an engine that converts the pressure from the flow of water into usable energy.
Here is a simple activity you can do to create a homemade water turbine in your own back yard.
You have just experienced one of Isaac Newton's principles of motion - for every action there is an equal and opposite reaction. The force of the water exiting through one hole makes the milk carton turn. The more holes, the faster it turns.