Kinetic Theory Model
Product Code : LSK-CL-10253
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.
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.
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.
Tiny metal spheres, simulating gas molecules, are propelled upwards in a tube by the piston's vibrations.
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