Topic 2 - Human Uses of Energy

Front

What device in a power plant reduces the amount of released pollutants sent into the air?

Back

Scrubber

Front

What is the term for the release of something into the environment?

Back

Emission

Front

What is a gas that makes the atmosphere able to hold more heat, such as carbon dioxide and water vapor?

Back

Greenhouse gas

Front

What is an energy source made from unstable elements such as uranium?

Back

Uranium

Front

What is a substance that releases energy when it burns?

Back

Fuel

Front

What is the process of converting sunlight into energy called?

Back

Photosynthesis

Front

What is the term for energy derived from the heat of the Earth?

Back

Geothermal energy

Front

What is the primary greenhouse gas emitted through human activities?

Back

Carbon dioxide (CO2)

Front

What is the term for energy that is generated from natural resources that can be replenished?

Back

Renewable energy

Front

What is the main advantage of using renewable energy sources?

Back

They reduce greenhouse gas emissions and are sustainable.