Topic 2 Study Guide

What does a generator do?

• It transforms the energy of motion into electric energy.

• It transforms electric energy into the energy of motion and heat.

• It transforms the energy of motion into light and sound energy.

• It transforms stored energy into the energy of motion.

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NGSS.HS-PS3-3

To make Stephanie’s list correct, which two items should be removed from her list?

• coal & oil

• wood & uranium

• uranium & petroleum

• wood & natural gas

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NGSS.MS-ESS3-4

NGSS.MS-PS1-3

Select the two renewable resource plants that cost the most to build.

• natural gas

• wind

• solar

• battery storage

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NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

Number the steps for using chemical energy to generate electrical power in the correct order.

• 1. Obtain a fuel source. 2. Burn fuel to heat water. 3. Use steam to turn a turbine. 4. Use the turbine to spin magnets and wire. 5. Transfer electricity to customers.

• 1. Use steam to turn a turbine. 2. Burn fuel to heat water. 3. Obtain a fuel source. 4. Use the turbine to spin magnets and wire. 5. Transfer electricity to customers.

• 1. Burn fuel to heat water. 2. Obtain a fuel source. 3. Use steam to turn a turbine. 4. Transfer electricity to customers. 5. Use the turbine to spin magnets and wire.

• 1. Transfer electricity to customers. 2. Use the turbine to spin magnets and wire. 3. Use steam to turn a turbine. 4. Burn fuel to heat water. 5. Obtain a fuel source.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which source can be added to his poster?

• Petroleum

• Nuclear energy

• Geothermal energy

• Coal

Marta argued that battery-operated cars can contribute to air pollution. What could make her statement true?

• A. The electricity used in the battery runs out and needs replacing.

• B. The electricity used to charge the batteries comes from combustion.

• C. The electricity used to charge the battery is from a nuclear plant.

• D. The electricity used in the battery is stored chemical energy.

Tags

NGSS.MS-PS1-3

How does a hydropower plant generate electricity?

• By using solar panels to convert sunlight into electricity

• By burning fossil fuels to produce steam that drives turbines

• By using the flow of water to spin turbines connected to generators

• By harnessing wind energy to turn blades connected to generators

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NGSS.MS-PS3-5

How is generating electricity from a dam different from a coal power plant?

• A. The dam does not change kinetic energy to electrical energy. The coal plant changes kinetic energy to electrical energy.

• B. The dam changes chemical energy to heat. The coal plant does not change chemical energy to heat.

• C. The dam does not change chemical energy to heat. The coal plant changes chemical energy to heat.

• D. The dam changes heat to kinetic energy. The coal plant does not change heat to kinetic energy.

Tags

NGSS.HS-PS3-3

Which two situations might limit the production of electricity from the dam?

• the use of the water reservoir for boating and fishing

• a decrease in snowfall in the area

• the use of the water reservoir to supply water to the city

• an increase in rainfall in the area

Which two methods will most likely reduce greenhouse gases?

• A. Remove scrubbers from power plants.

• B. Develop technology to prevent greenhouse emissions.

• C. Replace a coal burning plant with a nuclear power plant.

• D. Charge less money for electricity from coal power.

Tags

NGSS.HS-ESS3-4