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Topic last updated: 26 Oct 2023
    • Ico Chemistry Chemistry
    • Ico Physics Physics
    • Ico Science Science
    • 11-14
    • 30

The Earth and the Atmosphere

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The greenhouse effect

The diagram on the right displays the greenhouse effect.  

Though the greenhouse effect is required to make sure that the Earth stays warm enough for life, global warming means that it is amplified, and the Earth is getting too hot.  

Usually, energy from the Sun returns to space as infrared radiation. However, greenhouse gases can absorb the infrared radiation and re-radiate it back towards the Earth. This prevents the Earth from cooling down.  

The greenhouse effect KS3