Topic 4.4 Climate Change Understandings Knowledge Preview

Rate your knowledge or skill level for each of these assessment statements or sub-topics for Topic 5.2. A 5 indicates mastery of the topic with respect to IB level questioning.
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  1. Carbon dioxide and water vapor are the most significant greenhouse gases.
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  1. Other gases including methane and nitrogen oxides have less impact.
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  1. The impact of a gas depends on its ability to absorb long-wave radiation as well as on its concentration in the atmosphere.
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  1. The warmed Earth emits longer wavelength radiation (heat).
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  1. Longer wave radiation is absorbed by greenhouse gases that retain the heat in the atmosphere.
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  1. Global temperatures and climate patterns are influenced by concentrations of greenhouse gases.
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  1. There is a correlation between rising atmospheric concentrations of carbon dioxide since the start of the industrial revolution 200 years ago and average global temperatures.
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  1. Recent increases in atmospheric carbon dioxide are largely due to increases in the combustion of fossilized organic matter.
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Linda Kilch