Hydroelectric Energy

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-PS3-5

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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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.

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

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NGSS.MS-PS3-3

As water flows through a dam, a generator is turned and creates enough electricity for thousands of homes. This describes...

• biofuels

• hydroelectric energy

• geothermal energy.

• potential energy

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NGSS.MS-PS3-5

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-LS2-4

NGSS.MS-LS2-5

Select the statement that best describes how water produces electricity.

• Water is stored during periods electricity is not needed.

• A coal - fired power plant turns steam into electricity.

• Moving water turns a turbine within a generator.

• A penstock is needed to create electricity from water.

Hydroelectric energy is powered by moving water

• True

• False

The water turbine drives the generator which converts  ................

• The mechanical energy to electrical energy

• The electrical energy to electrical energy

• None

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NGSS.HS-PS3-3

The advantage of hydroelectric power station.

• It has the lowest running cost

• Simple in design and construction

• Very small running operation cost