You searched for: Heat/Thermodynamics Learning Activities
Vane wheel for heat/air flow
Supplier: 3B Scientific
Vane wheel device is used for demonstrating air and heat flows generated by a burning candle, water vapour or other heat sources. Made of Aluminium and mountable on a long needle.
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Demonstration thermometer
Supplier: MOLLER THERM
Milk glass scale on polished wooden board. Colored liquid filling. Measuring range -10 to +100 ° C, 0 to +80 ° R, +20 to +212 ° F.
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Radiometer
Supplier: MOLLER THERM
Radiometer according to Crookés. Consists of a glass container on foot with low air pressure and needle-bearing spinner with four vertical mica discs. The discs are black on one side and shiny on the other. The discs thus absorb radiation differently. The higher temperature of the dark side means that the air molecules get greater kinetic energy in collision with the dark side of the discs than with their shiny side. The result is that the spinner starts to rotate.
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Thomson e / m tube
Supplier: 3B Scientific
Evacuated glass flask containing i.a. electron gun with directly heated tungsten wire cathode and a cylindrical, collimating anode. The generated beam is allowed to stroke along a semi-transparent mica disc in the center of the tube. Luminescent coating on the front of the disc makes the beam appear. Two of the edges of the back are provided with graduated scales.