Solar Cells

What are solar cells also known as?

• a) Photon converters

• b) Photovoltaic cells

• c) Solar mirrors

How do solar cells convert light into electricity?

• a) By using magnifying glass

• b) By converting water into energy

• c) By converting light directly into electricity

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Why solar cells are environmentally friendly?

• They don't consume fuel, move or produce pollution

• The produce pollution

• They keep on moving

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What produces electricity in a solar cell?

• The flow of air

• The flow of electrons

• The water

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What type of energy are they collecting?

• Wind Energy

• Solar Energy

• Geothermal Energy

• Hydroelectric Energy

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Why is solar energy considered renewable energy?

• It's cheaper than fossil fuels

• The sun's energy would not run out for billions of years
  

• Solar energy recharges batteries

• All of them

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What do electrons do inside a solar cell?

• a) They collide with photons

• b) They create spark

• c) They create pollution

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What happens when photons enter a solar cell?

• They produce wind

• They collide with electrons

• They produce water

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What is the outcome of the flow of electrons in a solar cell?

• a) Production of photons

• b) Production of heat

• c) Production of electricity

What is the main advantage of solar cells?

• They are inexpensive

• They have no moving parts

• They are easy to install