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Barometric Pressure

Experiment #P4 from Earth Science with Vernier


Barometric (or atmospheric) pressure is one of the measurements that weather forecasters monitor to help predict the weather. Rising barometric pressure usually indicates that fair, dry weather is coming. Dropping barometric pressure usually precedes clouds and precipitation.


  • Use a barometer to collect and analyze barometric pressure for 2 days.
  • Make observations of current weather conditions.
  • Compare your data to weather conditions.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #P4 of Earth Science with Vernier. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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Earth Science with Vernier