U.S. Energy Facts Quiz

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What are examples of primary energy sources in the United States?

Examples of primary energy sources in the United States include fossil fuels (petroleum, natural gas, and coal), nuclear energy, and renewable sources of energy.

What are the general categories of energy sources used and produced in the United States?

The general categories of energy sources in the United States include primary and secondary, renewable, and fossil fuels.

How is electricity classified as an energy source in the United States?

Electricity is classified as a secondary energy source that is generated from primary energy sources.

What are the common physical units used to measure different energy sources in the United States?

<p>The common physical units used to measure different energy sources in the United States include liquid fuels in barrels or gallons, natural gas in cubic feet, coal in short tons, and electricity in kilowatts and kilowatthours.</p> Signup and view all the answers

What unit is commonly used for comparing different types of energy to each other in the United States?

<p>In the United States, British thermal units (Btu), a measure of heat energy, is commonly used for comparing different types of energy to each other.</p> Signup and view all the answers