Description

This item is great for demonstrating that heavy and light objects fall at the same rate in a vacuum. It is made of a transparent tube 1.5″ (38 mm) outer Dia. and 40″ (1000 mm) long, with rubber end caps, one of which has a nozzle and stopcock with 14″ (355 mm) rubber tubing for connecting to a vacuum pump (not included, catalog Item #6080-00). The demonstration provides an illustration of the principles of gravity that leaves a lasting impression on students.
• Comes with a Teacher’s Guide
• Includes a simulated coin and a feather