Why Is Energy Efficiency an Important Energy Resource

What type of device might this Sankey be about?

• very efficient LED light bulb

• very inefficient incandescent light bulb

• coal power plant

• wind turbine

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means using less of a resource to do the same task. Ex: a laptop does the same thing but uses less energy than a desktop computer

• Conservation

• Environmentalism

• Efficiency

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Reducing the amount of energy consumed by devices through advances in technology.

• Smart meter

• Deregulation

• Conservation

• Efficiency

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Why is it important to use energy conservation? Energy conservation _____.

• saves money

• uses less energy

• saves money and uses less energy

• creates more pollution

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the percentage of energy put into a system that does useful work.

• Energy Conservation

• Energy Efficiency

• Energy Wattage

• Electricity

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What is the primary benefit of energy efficiency in terms of resource usage?

• Reduces the need for new power plants

• Increases energy consumption

• Decreases the lifespan of appliances

• Increases carbon emissions

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Which of the following is a real-world example of energy efficiency?

• Using a gas-guzzling car

• Installing LED light bulbs

• Leaving lights on all day

• Using a wood-burning stove

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How does energy efficiency contribute to environmental protection?

• By increasing fossil fuel usage

• By reducing greenhouse gas emissions

• By promoting deforestation

• By increasing water pollution

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What is the role of technology in energy efficiency?

• To increase energy waste

• To develop more energy-efficient appliances

• To make energy more expensive

• To reduce the lifespan of devices

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Which scientific principle is most closely related to energy efficiency?

• Conservation of mass

• Newton's third law

• Conservation of energy

• Theory of relativity

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