How Generators Work

What is created when a magnet moves through a coil of wire?

• An electric current
• An electromagnet
• A solenoid
• A ferromagnet

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When an electric current flows throught a wire, the current produces a __________  __________.

• magnetic field
• force field
• electromagnet
• electromagnetic pulse

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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
• solar energy

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This picture shows a turbine generator used to produce electricity at a geothermal power plant.
Electricity is produced by using steam to _____________.

• heat the turbine generators
• spin the turbine generators 
• reduce friction in the turbine generators
• reduce emissions from the turbine generators

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What is the job of the generator in a coal power plant?

• Use electrical energy to turn a turbine.

• Convert electrical energy into mechanical energy

• Turn the turbine which changes water into steam

• To change movement into electricity

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What is the device seen here?

• generator
• electric motor
• electromagnet
• magnet

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NGSS.HS-PS3-5

What comes OUT of a generator?

• Kinetic energy store

• Electricity

• Thermal energy store

• Potential

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What two forces are required for generators and electric motors to work? 

• magnetism and thermal 
• electricity and thermal 
• electricity and magnetism 
• magnetism and radiant 

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NGSS.HS-PS3-5

Which device uses mechanical energy to produce electrical energy?

• Electric Motor
• Magnet
• Generator
• Solar Cell

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In large generators in power plants, ___________ rotate inside a coil of wire to produce an electric current.

• wind
• water
• magnets
• circuits

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