A solar panel is a device that converts sunlight directly into electricity. Solar panels are made up of many small units called solar cells, which capture energy from the sun's rays and transform it into electrical power that can run lights, computers, refrigerators, and almost anything else that needs electricity.

You've probably seen solar panels on rooftops, where they look like large dark rectangles tilted toward the sun. They also power devices like calculators, street lights, and even satellites orbiting Earth. Some families install solar panels on their homes to generate their own electricity, which can lower their power bills and reduce their dependence on power plants.

The technology works because sunlight is made of tiny packets of energy called photons. When photons hit the special materials inside a solar cell, they knock loose electrons, creating an electric current. It's similar to how wind hitting a sail makes a boat move: the sun's energy creates motion in the electrons, and that motion becomes electricity we can use.

Solar panels produce clean energy without creating pollution or using up resources like coal or oil. As the technology improves and becomes less expensive, more homes, schools, and businesses are choosing solar power. Some remote areas that never had electricity now use solar panels to power schools and medical clinics for the first time.