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The Greenhouse Effect

Experiment #24 from Earth Science with Vernier


The greenhouse effect is a natural phenomenon that occurs due to solar radiation entering our atmosphere and interacting with specific atmospheric gases. When solar radiation reaches the upper layers of the atmosphere, short wavelength radiation passes through to the surface, while longer wavelength radiation is reflected back into space.

Gardeners take advantage of the greenhouse effect by using greenhouses to grow plants in cold weather. Because the air inside the greenhouse stays warmer than the outside air, plants that require warm weather can be grown in cold weather. This is possible because solar radiation from the sun passes through the glass of the greenhouse and becomes trapped. Solar radiation transforms into infrared (IR) radiation or heat energy and cannot pass back through the glass. With this heat trapped inside and the lack of mixing between the inside and outside air, the greenhouse stays consistently warm.

At night, the air above Earth’s surface cools, and energy is transferred from the land and water to the air. Gases in the atmosphere keep the heat from radiating back into space, causing the air to be warmer than it otherwise would be if there were no atmosphere. The gases most responsible for this effect, referred to collectively as greenhouse gasses, are water vapor, carbon dioxide, methane, and nitrous oxide.


  • Use temperature probes to measure temperatures in a model greenhouse and a control.
  • Use the results to make conclusions about the greenhouse effect.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.


Teaching to an educational standard? This experiment supports the standards below.

International Baccalaureate (IB)/Environmental Systems and Societies
6.1 Introduction to the atmosphere

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This experiment is #24 of Earth Science with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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Earth Science with Vernier