Solar cells work by collecting sunlight and converting it to usable energy. This energy can be used onsite or transported short distances to the local power grid. A typical modern solar cell consists of a transparent pro... More » Science Physics Electricity

Manufacturers make solar cells from pure silicon that is treated with phosphorous to produce excess electrons and boron; this generates a deficiency of electrons, creating a semiconductor. The thin silicon disks produced... More » Science Environmental Science Conservation

Begin by getting two glass plates the size of microscope slide covers, and clean both with alcohol. Touch the surfaces with multimeter leads to determine which side is conductive, and then place one plate with the conduc... More » Home & Garden Outdoor
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Electrochemical cells generate or use electrical energy through oxidation and reduction reactions. One example is a cell composed of zinc and copper metals in which electrons travel from the zinc to the copper. Each elec... More » Science Physics Electricity

Solar energy comes from the sun, but the energy the sun emits comes from nuclear fusion on a massive scale. Specifically, it is the fusion of two hydrogen atoms into a single atom of helium. More » Science Physics Electricity

Different solar panels produce a wide range of energy output, ranging from 75 to 350 watts. An average solar panel produces approximately 200 to 250 watts. This being said, many factors can impact solar panel performance... More » Science Physics Electricity

One fact for kids about solar energy is that it is energy harvested from the sun. When the sun's rays, also known as solar radiation, reach the Earth, the energy is converted using appropriate technology into heat and el... More » Science Physics Electricity