Your Safer Source for Science

Since 1977

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

How can the amount of air in the classroom be measured? Will measuring the volume of the container (the classroom) provide the best value for the amount of air? Would measuring the mass of air be more appropriate? Does air have mass? Let’s find out.


  • Measurement
  • Mass
  • Volume
  • Density