Light strikes a dark metal surface of solar collector & is changed to thermal energy; water is pumped through pipes in solar collector & then through building
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5
What is a mixture of gasoline and alcohol?
Gasohol
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15
What is an advantage of nuclear power?
It does not produce air pollution because no fuels are burned.
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20
How does water produce electricity?
Water flows through a dam and turns a turbine which is connected to a generator
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15
What are biomass fuels?
Fuels made from living or recently living things including wood, leaves, food wastes, and manure
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boom
Lose 50 points!
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star
Double points!
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fairy
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25
lifesaver
Give 25 points!
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monster
Reset all scores!
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rocket
Go to first place!
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gift
Win 20 points!
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lifesaver
Give 5 points!
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5
What is geothermal energy?
Intense heat from Earth's interior that warms the magma
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15
What is an advantage of solar energy?
It is available anywhere the sun is shining; it does not cause pollution; it will not run out for billions of years
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5
How can wind energy be captured?
Turbines
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15
How do solar cells work?
When light hits the cell, an electric current is produced.
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5
What was probably the first fuel ever used for heat and light?
Wood
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5
What are two examples of renewable energy?
Sunlight, water, wind, biomass fuels, and geothermal energy
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lifesaver
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seesaw
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rocket
Go to first place!
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thief
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25
seesaw
Swap points!
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shark
Other team loses 10 points!
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fairy
Take points!
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thief
Give points!
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5
What is nuclear fission?
The splitting of an atom's nucleus into two nuclei