In the past century, the global temperature has climbed 10 times faster than the average rate of Ice Age recovery warming. The fifth video in a series of seven on factors that affect climate change discusses just how much global warming has occurred. It includes excellent examples of the positive feedback cycle in science.

Concepts

global warming, climate change, scientific research, greenhouse gases, air pollution, land use

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Additional Tags

science

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Instructional Ideas

• Graph global temperatures from 1900 to the present
• Research the current predictions for future global warming

Classroom Considerations

• Relies on prior knowledge of greenhouse gases, energy, and carbon dioxide

• This video is hosted on YouTube

Pros

• Comments are turned off, so teachers do not need to worry about inappropriate content
• Short length helps maintain student attention

Cons

• None

Common Core

RST.6-8.4 RST.9-10.4 RST.11-12.4