NASA
Write the Book on Weather Metrics
It's not easy to measure the weather. Pupils learn about what all weather has in common—the atmosphere. Scholars discover how a meteorologists must be able to measure aspects of the atmosphere and decipher the data. They then create a...
PBS
Pbs Learning Media: Atmospheric Pressure
Did you know that air has weight? This illustrated essay from the NOVA Web site explores conditions that affect air density and atmospheric pressure.
University of Illinois
University of Illinois Extension: Ww2010: Atmospheric Pressure
This site from the University of Illinois describes what air pressure is and how it is measured. Explains high and low pressure areas, isobars, and how pressure changes with height.
American Geosciences Institute
American Geosciences Institute: What Is Atmospheric Pressure?
See how atmospheric pressure affects air masses, which in turn affects the weather on Earth.
Enchanted Learning
Enchanted Learning: Zoom Astronomy: The Earth's Atmosphere
Site provides information on the Earth's atmosphere as well as offers additional information about Earth.
University Corporation for Atmospheric Research
Ucar: Change in the Atmosphere With Altitude
How does the atmosphere change as you go up high in the sky?
University Corporation for Atmospheric Research
Ucar: Wind
Wind is air moving from a place that has higher pressure to one that has lower pressure. Sometimes wind is just a light breeze and other times it is strong enough to blow the roofs off buildings.
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