![]() | Project title | How to suspend a ball in a stream of air (The Bernoulli principle) |
Difficulty Level | Elementary school | |
Main link | Click here to view all details of this science project (Cached)  (View 3rd party site) | |
Description | ||
A ball stably levitated on an invisible stream of air is a dramatic sight. When you try to pull the ball out of the airstream, you can feel a force pulling it back in. You can alsofeel that the airstream is being deflected by the ball. This Snack shows one of the forces that give airplanes lift. |