VA resources unit 4 practice

Coal, petroleum, natural gas, and propane are fossil fuels. They are called fossil fuels because-

• they are nonrenewable and will run out

• they are mixed with fossils to provide energy

• they form from buried remains of plants and animals over millions of years

• they are burned to release energy and they cause air pollution

Nonrenewable energy sources are natural resources that-

• can never be replaced even in millions of years

• can't be replaced after use because it takes millions of years to form

• can be easily replaced

What is NOT a good way to conserve energy in a home?

• Keeping the house a cool in the winter and a little warm in the summer.

• Keeping windows and doors closed

• Turning off lights when they are not needed

• Leaving doors and windows open all the time

The U.S. consumes a lot of energy. Which fuels provide the most energy?

• coal and natural gas

• petroleum (oil) and natural gas

• renewable resources

• nuclear

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What uses the most energy in U.S. homes each year?

• refrigerators

• lighting

• computers

• heating

Solar, wind, and water-power energy are all renewable sources of energy. They are called renewable because they-

• do not produce air pollution

• can be converted directly into heat and electricity

• are clean and free to use

• can be replaced by nature in a short period of time

How long does it take to replace nonrenewable resources?

• ten years

• millions of years

• one year

• hundreds of years

Choose ALL of the energy-efficient products that help our environment:

• 
• 
• 

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The graph below shoes the total energy consumption of the U.S. from 1950-2018. Choose a true statement:

• Nuclear energy is the most used type of energy

• The U.S. stopped using renewable resources

• The use of coal has gone down over time

• Petroleum was used the most in 1950

What can we do to conserve energy? Select all answers that are correct:

• Walk to bike short distances when traveling

• Keep electronics turned on all the time

• Turn off lights when not in use

• Turn off water when you're not using it