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University of Illinois Urbana-Champaign
The Grainger College of Engineering
Physics Van
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About the Physics Van
Electricity and Magnets
Everything Else
Light and Sound
Making Stuff Move
New and Exciting Physics
States of Matter and Energy
Stuff about Space
Underwater and in the Air
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Underwater and in the Air: Balloons
A Vacuum Balloon?
Cooling by Beach Balls?
Volume + Temperature = Hot Air Balloon
Falling Balloons
Lifting With Helium
Trick Balloons
Getting Helium in a Balloon
Volume of a Balloon
What Makes a Balloon Fly?
Zooming Balloons