Your Safer Source for Science
All-In-One Science Solution
Your Safer Source for Science
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Email [email protected]

Take the measurement challenge! Accurately estimate the length, width and height of a small plastic block and calculate the block’s volume. Then predict the mass of the block—without a balance—by using the block’s known density.


  • Measurement
  • Significant Figures
  • Volume
  • Mass
  • Density