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RVFM Kinetic Theory Model

Order Code:  

52-0644

 
Brand: RVFM  MPN: EDU038 
  • Country of Origin:
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Discontinued

This model provides in analogue form, a visual representation of molecular movement in gases.

A piston, in a wide Perspex tube, is vibrated by a low-voltage electric motor housed in a box supporting the tube. Tiny metal spheres, simulating gas molecules, are propelled upwards in a tube by the piston's vibrations. The movements of the spheres are seen to be random both in direction and extent.

The motor is provided with a speed control. Higher speeds give more extensive movements of the spheres. The electric motor requires a 6V DC power supply capable of providing a current of 2.5A.

For demonstrations to larger groups illumination from the side and a black background are recommended to highlight the spheres.


  • Simple to operate
  • Dimensions: 350 x 200 x 200mm
  • Suitable for Key Stages 3 & 4 (ages 11 to 16)

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