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Science Fair Supplies Sale

Bell Jar with Bell and Pressure Plate (Image One) @ xUmp.com

Bell Jar with Bell and Pressure Plate

Item#: 14813  
List Price:$99.99
Deal Price: $89 /each
You Save: $10.99 (10%)
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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


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

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