Your Safer Source for Science

Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436

Light a small candle inside a toy boat and watch it coast around the water while making a “putt putt” noise. Use this old-fashioned toy to illustrate how chemical energy is converted into mechanical energy as phase changes occur.


  • Energy
  • Forces
  • Phases of Matter