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Acrylic Bell Jar with bell

For Sound in Vacuum Applications.
In stock Ready To Ship
SKU:
P635
$86.90
or 4 interest-free payments of $21.73
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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.

Age: 12+

What You Get

Acrylic Vacuum Bell Jar. Includes bell. Compatible with P639 Vacuum Plate (sold sepearately). Operates on 4-6V AC.

Teach

  • Physics
  • Air Pressure
  • Vacuum

WARNING: CHOKING HAZARD Small Parts. Not for children under 3 years.

More Information
Length (cm) 20
Width (cm) 20
Height (cm) 34
Age Group 12+ Years
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