Ward's® Longitudinal Wave Demonstration

This inexpensive model, developed by Tim Ernest, lets you create longitudinal/compression waves by simply pushing a Slinky® along a track.

• Grades 6 to 9
• Length: 152.4 cm

It can be used in studies of waves, and sound to demonstrate compression, rarefaction, amplitude, wavelength, echoes, volume and pitch.

Delivery information: Includes instructions.