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WorksheetsSOLAR ENERGY - Fun Facts
Total questions: 15
Worksheet time: 10mins
Solar power is the second most abundant source of energy on the planet
True
False
More solar energy reaches Earth in one hour than the world uses all year.
True
False
Sunlight takes approximately _____ minutes to reach the Earth.
8
18
28
88
About ____ % of incoming solar radiation is reflected back into space and the rest is absorbed by clouds, oceans, and land.
5
15
30
50
Solar energy has been used by plants and microorganisms since the beginning of time.
True
False
The first silicon solar cell was developed by Bell Laboratories in _________ (year)
1954
1964
2004
2016
1 megawatt (MW) of solar energy can power over ______ homes
100
200
300
400
The photovoltaic (PV) effect was discovered by French scientist Edmond Becquerel in __________.
1839
1945
1965
2001
Solar-powered calculators were invented in 1978.
True
False
The International Space Station is entirely solar powered.
True
False
Photovoltaic solar panels are made of silicon, which is the second most abundant element on Earth after oxygen.
True
Fasle
Solar energy is generated as DC (direct current) power. Typically, solar panels are installed with an inverter to convert DC power to usable AC (alternating current) power.
True
False
In the United States, northern facing solar panels perform best.
True
False
Solar panels can last for over 40 years.
True
False
Solar panels still work on cloudy days
True
False
