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Science » Earth Sciences » Climate Change

Climate Discovery Teacher's Guide

includes lessons on how the sun's magnetism interacts with the earth's magnetic field, how scientists study ancient climates, how the earth system works and how climate changes over time, and how climate models are used to predict the future of earth's climate. (National Center for Atmospheric Research, National Science Foundation)

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Interesting Fact:

The greenhouse effect is useful because trapping some energy keeps the temperatures on our planet mild and suitable for living things. Without its atmosphere and the greenhouse effect, the average temperature at the surface of the Earth would be zero degrees Fahrenheit. However, too many greenhouse gases can cause the temperature to increase out of control.
The biosphere is the portion of earth in which all known life forms exist. It occupies a thin layer of air (atmosphere), water (hydrosphere), and land (lithosphere).

Earth and atmosphere cycles


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