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]

As an organism’s size or volume increases, its mass increases proportionately. The problem with increasing an organism’s size is having a supporting structure large enough to support the mass. An elephant’s leg bones are like tree trunks. But, trees don’t have bones. How do they support themselves?


  • Measurement
  • Trigonometry
  • Laboratory Techniques