2. Water Wheel In the olden days the water wheel was used to power big hammers to make swords and other tools. Today they are used to generate power for farms and mills and in other forms to create Hydro Electricity.
3. The Wind Generator Powered by wind, this source of power is well known and found on farms and towns around the world. We used it to power a small LED.
4. The Solar Powered Water Pump Solar powered water pumps are used to get bore water out of the ground.