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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%)
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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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At xUmp.com, we are passionate about science. We believe in hands-on learning and making science fun. - Anton Skorucak, Physicist and Founder

At xUmp.com you will find a large selection of scientific products carefully curated by real scientists and educators. We sell everything from educational toys, teacher supplies for science classroom, lab equipment, science toys, science fair supplies, classroom equipment, chemistry glassware, chemistry lab equipment, physics demos, electronics supplies, robots, science kits to geeky science gifts.