Spending and Saving

Which of the following is an example of energy saving in a household?

• Turning off lights when not in use

• Using incandescent bulbs

• Keeping the refrigerator door open

• Running the dishwasher half full

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NGSS.MS-PS3-3

What is the primary benefit of using renewable energy sources?

• They are non-depletable

• They are more expensive

• They produce more pollution

• They require more land

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NGSS.HS-ESS3-2

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NGSS.HS-ETS1-1

Which scientific principle explains the conservation of energy in a closed system?

• Newton's First Law

• Law of Conservation of Energy

• Theory of Relativity

• Law of Thermodynamics

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NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the most energy-efficient way to heat a home?

• Using electric heaters

• Using a geothermal heat pump

• Burning wood in a fireplace

• Using a gas furnace

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NGSS.MS-ETS1-2

NGSS.MS-PS3-3

Which of the following materials is the best insulator for reducing heat loss?

• Copper

• Aluminum

• Fiberglass

• Steel

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NGSS.MS-PS3-3

How does a solar panel convert sunlight into electricity?

• By using chemical reactions

• By using photovoltaic cells

• By using wind turbines

• By using nuclear reactions

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NGSS.HS-PS3-3

What is the role of chlorophyll in plants?

• To absorb water

• To absorb sunlight

• To absorb nutrients

• To absorb carbon dioxide

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Which of the following is a method of water conservation?

• Leaving the tap running

• Fixing leaks promptly

• Watering the lawn daily

• Taking long showers

What is the main purpose of a thermostat in a heating system?

• To increase energy consumption

• To maintain a constant temperature

• To decrease air quality

• To increase humidity

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NGSS.MS-PS3-3

Which of the following is a non-renewable energy source?

• Solar energy

• Wind energy

• Coal

• Hydroelectric energy