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Bell Jar with Bell and Pressure Plate - Image One
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Bell Jar with Bell and Pressure Plate

by xUmp.com   Item#: 14813   5 star rating 1 customer reviews
List Price:$99.99
Sale Price: $95 /each
You Save: $4.99 (4%)
SOLD OUT Check back in 5 to 10 days to order this item.

Sound waves will not travel through a vacuum. Prove it with this demonstration of a ringing bell inside a sealed glass jar. As air is gradually vacuumed out of the jar, the bell will become faint, and will eventually become silent. Great demonstration model for the classroom setting.

Features:

  • Bell jar with bell and pressure plate
  • Demonstrates the inability of sound waves to travel through a vacuum
  • Excellent classroom demonstration model
  • Size: 8 inches diameter base, 8 inch tall glass dome
  • Requires standard 1/4 inch tubing


Age:
14 +
Box Size:
12.00 x 10.25 x 9.00 inches
30.48cm x 26.04cm x 22.86cm
Weight:
3 lb 6 oz
1.52 kg

Customer Reviews


5 star rating  
Corwin Witt from Oak Ridge, TN
We boiled water, inflated a balloon, and could not heard the bell ringing under the vacuum with this bell jar.


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