6.3.4 The Greenhouse Effect

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What is the greenhouse effect?

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The greenhouse effect is when the sun's heat is absorbed by gases in the atmosphere, keeping the Earth warm.

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What are greenhouse gases?

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Greenhouse gases are gases in the Earth's atmosphere that trap heat, such as carbon dioxide (CO2), methane (CH4), and water vapor.

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Why is the greenhouse effect important for life on Earth?

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The greenhouse effect is important because it keeps the Earth's temperature stable, allowing life to thrive.

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What is the average surface temperature of Earth?

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The average surface temperature of Earth is approximately 5 °F.

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Can our planet survive without greenhouse gases?

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No, our planet cannot survive without greenhouse gases as they are essential for maintaining a habitable temperature.

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How does Venus' atmosphere compare to Earth's atmosphere?

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Venus' atmosphere is much thicker than Earth's, resulting in a temperature that is much hotter than Earth's.

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What role does the sun play in the greenhouse effect?

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The sun radiates energy to the Earth, which is then absorbed by greenhouse gases in the atmosphere.

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What happens to the heat absorbed by greenhouse gases?

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The heat absorbed by greenhouse gases is re-radiated back towards the Earth's surface, warming the planet.

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What are some examples of greenhouse gases?

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Examples of greenhouse gases include carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and water vapor.

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What is the difference between the greenhouse effect and global warming?

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The greenhouse effect is a natural process that warms the Earth, while global warming refers to the increase in Earth's average temperature due to human activities.

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