• It is a natural resources ,a sun light (rays) falls on a solar panel and a solar panel converts it in to electrical energy which helps us to glow bulb and use needful appliance.
Product of solar energy
Solar traffic light
Street Light
We also use wind to generate electricity.
•By using wind mill.
How wind mill works?
Construction and working of wind mill
Shape of blades (wings) ofwind mill
•Air foil shape
Geothermal energy
• Geothermal energy is thermal energy generated and stored in the
Earth. Thermal energy is the energy that determines