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Listed under:  Science  >  Forces and energy  >  Molecular forces  >  Pressure  >  Air pressure
Video

Properties and behaviour of gases

All substances are made up of tiny particles. A change in temperature can change the way these particles behave. Watch as the Surfing Scientist demonstrates how a gas behaves when it is heated. Find out whether the balloon gets sucked or pushed into the bottle!

Video

Floating ping pong ball

A ping pong ball usually floats on the surface of water. Watch what happens to a ping pong ball in a tank of water as Ruben Meerman, the Surfing Scientist, experiments with the pressure of the air. (air pressure)

Interactive

experiMENTALS: Levitating balloon

This resource contains a materials and instruction list and brief explanation for students about the process of levitating a balloon.