A plastic helix is a classic tool for showcasing wave properties. Holding the helix vertically displays the behavior of longitudinal waves oscillating up and down. When two people hold each end and move one end up and down this visualizes a transverse wave. Made from PVC plastic.
Note: colors may vary. The overall dimensions is 3 ¼” in diameter and 2 ½” tall .Can safely stretch up to 8 feet.
- Demonstrate transverse and longitudinal waves
- Colorful design
- Stretches up to 8 feet long