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Warnings: The True Story of How Science Tamed the Weather by Mike Smith tells the story of our storm warning system. See our online store book collection.

Hot and Cold

You may describe the weather to be hot or cold. This is also how we think of temperature . Even though the temperature changes every day and every season, the Earth's temperature is always in the right range to support life.

The air feels colder as you climb up a mountain. This happens because the temperature decreases as you move away from the surface.

Scientists measure temperature with a thermometer. They are placed in the shade because they will tell the wrong temperature if it is in direct sunlight.

Last modified June 11, 2010 by Becca Hatheway.

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Windows to the Universe, a project of the National Earth Science Teachers Association, is sponsored in part is sponsored in part through grants from federal agencies (NASA and NOAA), and partnerships with affiliated organizations, including the American Geophysical Union, the Howard Hughes Medical Institute, the Earth System Information Partnership, the American Meteorological Society, the National Center for Science Education, and TERC. The American Geophysical Union and the American Geosciences Institute are Windows to the Universe Founding Partners. NESTA welcomes new Institutional Affiliates in support of our ongoing programs, as well as collaborations on new projects. Contact NESTA for more information. NASA ESIP NCSE HHMI AGU AGI AMS NOAA