PHYSICS
Bell in Vacuum Acrylic Jar
ULP0176CN8
Availability
In Stock
**Delivery in 3 - 5 weeks**
Demonstrate that sound requires air to travel through with the Bell in Acrylic Vacuum Jar set. Slowly decrease the air inside and hear the sound disappear. Electric bell operates on 4-6V DC.
Requires a vacuum pump (not included).
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