Oxygen vs. Air Pressure

A lot goes on during this visit to the Ellen DeGeneres show. During the first segment, Spangler demonstrates the ability of the human body to act as a conductor of electricity and he shows the clean burning properties of hydrogen and...

If floating were easy, everyone would do it! How does the Coanda Effect work? A video from a fascinating physics playlist shows how balanced upward and downward forces float a ping pong ball in a stream of air.

Oxygen appears blue in both the liquid and solid states. The eighth video in a playlist about chemical elements discusses oxygen as both a gas and a liquid, and multiple demonstrations show the properties of oxygen.

It's amazing how easy it is to forget that every second of our lives we are being pushed on by an uncountable number air molecules. Explore with your class the concept of air pressure and how it affects our bodies, the earth's...

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.

Is air making us sick? How exactly does air pollution contribute to illness across the world? Part five in a series of seven about the atmosphere addresses these questions and many others. This is a perfect resource to show during your...

Middle schoolers, in groups, create experiments to predict and prove what a change in pressure can do to objects exposed to the change. They use AppleWorks to write their hypotheses and the steps they need to conduct the experiment.

Investigate what is pushing on us. An intriguing lesson has pupils calculate the amount of force on various squares due to air pressure. Using the data, individuals create a graph in the third lesson of the Up, Up and Away unit...

Introuduce your scientists to the differences in air at varying altitudes with a colorful explanatory graph. After some discussion, they view unbelievable footage of mountain-climbing Leo Houlding and a narrative about how he might do...

Do not let the pressure get to you. The first lesson in a unit of 22 introduces the concept of air pressure. Using background knowledge, the resource gives teachers the information they need to discuss how people measure air pressure and...