Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email flinn@flinnsci.com
firewatch

Drop a flaming ball of cotton into a flask, set a raw egg on top, and watch as the contents of the egg are “pushed down” into the flask. An easy-to-perform and colorful variation of the common Balloon in the Bottle demonstration.

Concepts

  • Pressure
  • Vacuum
  • Heat