Water flows through a dam and turns a turbine which is connected to a generator
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5
What products can be made from biomass fuels?
Alcohols
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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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15
What is a disadvantage of biomass fuels?
It takes time to replace trees that have been cut down; it is expensive to produce alcohol and methane in large quantities
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banana
Go to last place!
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shark
Other team loses 10 points!
Okay!
rocket
Go to first place!
Okay!
thief
Give points!
5
10
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20
25
heart
Other team wins 25 points!
Oops!
seesaw
Swap points!
Okay!
shark
Other team loses 20 points!
Okay!
thief
Give points!
5
10
15
20
25
boom
Lose 50 points!
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magnet
Take 20 points!
Okay!
gift
Win 20 points!
Okay!
baam
Lose 5 points!
Oops!
5
What are two examples of renewable energy?
Sunlight, water, wind, biomass fuels, and geothermal energy
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5
How can wind energy be captured?
Turbines
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5
What is geothermal energy?
Intense heat from Earth's interior that warms the magma
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20
How does a solar power plant work?
Rows of mirrors focus the sun's rays to heat a tank of water which creates steam which can be used to generate electricity
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5
If the reactor vessel gets too hot, what is inserted near the fuel rods to slow the reaction down?
Control rods
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5
What is nuclear fission?
The splitting of an atom's nucleus into two nuclei
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5
What is an electric car?
A car that runs entirely on batteries
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20
What is active solar heating?
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