Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax 866-452-1436
Email [email protected]

Demonstrate your mastery of density by determining the maximum amount of sand that can be placed in a plastic vial and still allow the vial to float in water. Calculate the amount carefully—you only get one chance!


  • Density
  • Observations
  • Scientific Method