Introduce your class to air masses and how they affect the weather with a lesson that focuses on the differences between high and low air pressure systems. The class explores actual weather data using archived weather data.

Concepts

air mass, air, air pressure, storms, severe weather, the atmosphere, weather data, technology resources

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Additional Tags

air mass, air pressure, atmosphere, storm

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Instructional Ideas

• Use the lesson information to introduce the associated activity, Building a Barometer
• Have the class research the air pressure for the surrounding area and record it for several days

Classroom Considerations

• The resource contains information for teachers in order to develop a presentation or discussion lesson
• The link listed has changed to: http://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php
• The third installment in a 12-part series

Pros

• The resource contains a vocabulary list and definitions
• The assessment section provides questions to ask at different times during the activity

Cons

• The resource does not provide much detail on how to convey the information