Demonstrates: The determination of a spring constant.

Description: A spring is stretched as masses are added. Measurements are taken against a meter stick as mass is added showing a constant value for each equal amount of mass added.

Demonstrates: The molecular structural arrangement of a specific state of matter.

Description: Models of H₂0, C, NaCl, etc.

Demonstrates: Difference in density with volume constant.

Description: Six blocks of made of various materials but of equal volume.