Coal & Natural Gas Review

Front

What is the primary ingredient in natural gas?

Back

Methane (CH4)

Front

Which fossil fuel emits the least carbon dioxide?

Back

Natural gas emits less carbon dioxide than coal and petroleum.

Front

How is coal formed?

Back

Coal is formed when land plants are buried by sediment and subjected to heat and pressure over millions of years.

Front

What is the largest source of energy for electricity generation in the U.S.?

Back

Natural gas provides the largest share of energy for U.S. electricity generation.

Front

Which country has the largest reserves of coal?

Back

The United States has the largest reserves of coal.

Front

What is the efficiency of coal power plants?

Back

Coal power plants are typically about 33% efficient, with the rest of the energy lost as waste heat.

Front

What is the process of generating electricity in thermal power plants?

Back

A fuel source is used to transfer heat to water, creating steam that drives turbines connected to generators.

Front

What is a common use of natural gas?

Back

Natural gas can be used for electricity generation, industrial purposes, home heating, and as vehicle fuel.

Front

What is the environmental impact of burning coal?

Back

Burning coal releases significant amounts of carbon dioxide and other pollutants into the atmosphere.

Front

What are the main components of natural gas?

Back

Natural gas primarily consists of methane, but may also contain ethane, propane, and butane.