Hydroelectric Power Plant

What type of energy is being produced when a dam is placed across a river and water is released to turn a turbine that produces electricity?

• Wind

• Geothermal

• Hydroelectric 

• Solar

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NGSS.MS-PS3-4

Are located in hilly areas where dams can be built and large water reservoir can be obtained.

• Hydroelectric power station

• Nuclear power station

• Gas turbine power station

• Steam power station 

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The disadvantage of hydroelectric power station.

• The highest initial cost compared to other types of plant.

• It involve high capital cost due to construction of dam. 

• There is a problem in starting the unit.

• The overall efficiency is low (20%).

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NGSS.MS-ETS1-2

What is one one disadvantage of hydroelectric energy?

• It doesn't work if you don't have volcanoes nearby.

• It doesn't work if it is not windy.

• It doesn't work if you don't have rivers or moving water nearby.

• It doesn't work unless you have plenty of fossil fuels.

What is produced by using gravitational force of falling or flowing water?

• Biofuels

• Hypo fuels Energy

• Hydroelectric Energy

• Bio thermal Energy

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NGSS.MS-PS3-5

A form of energy that harnesses the power of WATER IN MOTION to generate electricity

• Renewable Energy

• Solar Energy

• Wind Energy

• Hydroelectric Energy

What factor limits the amount of hydroelectricity that can be produced?

• sunlight

• water

• wind

• biomasss

An advantage of hydroelectric power station.

• It produces thermal pollution

• Only a few dams have been built

• They produce no carbon dioxide when making electricity

• They are cheap to build

Which of these hydroelectric dams has had a major impact on its surrounding ecosystems?

• Three Gorges Dam, China

• Grand Coulee Dam, WA USA

• Hoover Dam, NV USA

• All three have had a major impact on their surrounding ecosystems

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is a Con for hydroelectricity?

• Destroys habitat

• Decimates natural salmon migration routes

• Disturbs flooding cycles and nutrient deposition

• All are Cons for hydroelectricity

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5