Latest revision as of 06:46, 9 June 2009

The heat transfers circus is a collection of small experiments that demonstrate the transfer of thermal energy. Most of the experiments are unsuitable for pupils and are teacher demonstration only.

Experiments

Conduction

• Bars of different metals with thermochromic strips
• Bars of different metals with wax holding marbles

Convection

• Mine ventilation model
• Glass loop tubes with potassium permanganate (don't tell Maggie I called it that) and gold foil. Gold foil tube will operate with heat from a pupil's hand.
• Angel chimes

Radiation

• Radiant heater viewed through desk camera picks up infrared before coils glow to naked eye.
• Leslie's cube
• Crooke's radiometer