Acrylic Bell Jar with bell
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Experiment with sound inside a vacuum with this bell jar demonstrator. Sound waves don’t travel through a vacuum. Prove it with a ringing bell inside a sealed glass jar.
s air is gradually pumped out of the jar, the bell sound becomes faint, then disappears.
What You Get
Acrylic Vacuum Bell Jar. Includes bell. Compatible with P639 Vacuum Plate (sold sepearately). Operates on 4-6V AC.
- Air Pressure
WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.
|Age Group||12+ Years|