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24-Solar Energy

absorptionattraction and retention of energy
active solarsystem which uses solar heat absorption for later use
concave mirrora reflective surface curved inward to gather and focus light to a point
heat exchangerdevice used to transfer heat collected from one source to another
insolationamount of solar energy received in an area over a period of time
passive solarsystem which uses solar heat directly
photovoltaic celldevice that converts sunlight directly into electricity
silicona metalloid element used in photovoltaic cells
solar collectordevice that absorbs energy from the sun and converts it to heat
solar energyenergy from the sun

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