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Geothermal

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1.
1 point
Geothermal power plants use _______________ to clean the air of hydrogen sulfide and other gases.
2.
1 point
A _________ uses the Earth’s constant temperatures to heat and cool buildings.
3.
1 point
Geothermal energy is non-renewable because we are running out of heat from within the earth.
4.
1 point
The power that an electric utility company must deliver all day long is called ____________.
5.
1 point
One advantage of a geothermal exchange system is that it doesn't have to manufacture heat. The heat is free, renewable, and readily available in the ground.
6.
1 point
Red hot temperatures are continuously produced inside the earth by slow decay of radioactive particles found in rocks.
7.
1 point
Many ancient peoples, including the Romans, Chinese, and Native Americans, used hot mineral springs for bathing, cooking, and heating.
8.
1 point
Geothermal energy is used to heat buildings only.
9.
1 point
Geothermal energy produces steam that drives turbine.
10.
1 point
Hot springs, volcanoes, and geysers are all examples of geothermal.
11.
1 point
The process where the slabs of the continents and ocean floor drift apart and push against each other - about 1 inch per year.
12.
1 point
Geothermal energy produces less than 1% of the electricity consumed in the nation today.
13.
1 point
The temperature of the earth a few feet underground remains constant year round - about 52 degrees Fahrenheit in moderate climates.
14.
1 point
Most of the geothermal activity occurs here--around the Pacific Ocean.
15.
1 point
Operating and maintenance costs for geothermal power plants are higher than coal-fired and natural gas plants.
16.
1 point
The Greek word for earth is “geo” and the Greek word for heat is “therme”.
17.
1 point
Most geothermal power plants are flash steam plants.
18.
1 point
Geothermal systems are low maintenance and should last half as long as conventional systems.
19.
1 point
Development of geothermal power plants is often allowed on federal lands because it does not significantly harm the environment.
20.
1 point
The earth’s interior is made up of the ____________.
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