When your ears pop on an airplane as it climbs away from the airport or when you drive up into the mountains, you're experiencing a change in air pressure. A barometer measures that air pressure and ...

The Climate Classroom: Make your own barometer Here's how to make your own barometer - a family-friendly experiment to learn about how air pressure changes change the weather where you live ...

Here's how to make your own barometer - a family-friendly experiment to learn about how air pressure changes change the weather where you live Farm-state Republicans finally reach their breaking point ...