When gases in the atmosphere absorb energy transferred by infrared waves from the Earth, which causes the atmosphere to be warmer than it otherwise would be.
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Card 9
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A gas that helps to trap “heat” in the atmosphere. Carbon dioxide, methane and water vapour are greenhouse gases.
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Card 10
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The increase in the Earth’s average temperature likely to be caused by increased amounts of carbon dioxide in the atmosphere.
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Card 11
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Changes that happen to the global weather patterns as a result of global warming.
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Card 12
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A relationship between two variables, so that if one variable changes, so does the other. This can be positive or negative.
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Card 13
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When one thing can be shown to be causing another thing.
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Card 14
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The smallest change that can be measured by an instrument. For example, in a microscope, it is the smallest distance between two points that can be seen as two points and not blurred into one point.
