Uploaded October 2013 | Updated September 2026, 2 weeks ago
You provide the fast moving air, and we'll provide the rest! With an electric leaf blower or vacuum cleaner, you can easily demonstrate the unexpected effects of low air pressure. A fast stream of air across the top of this fascinating device reduces air pressure in the tube. Then, ambient air pressure will propel ping pong balls upward, in apparent defiance of gravity! Available at teachersource.com/product/bernoulli-blaster/air-pressure
You provide the fast moving air, and we'll provide the rest! With an electric leaf blower or vacuum cleaner, you can easily demonstrate the unexpected effects of low air pressure. A fast stream of air across the top of this fascinating device reduces air pressure in the tube. Then, ambient air pressure will propel ping pong balls upward, in apparent defiance of gravity! Available at teachersource.com/product/bernoulli-blaster/air-pressure
