Playing time: 4 min (V705)
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Sharing heat (4C3)
This experiment shows how heat travels along a conductor. Indicator rods are fixed with wax along a wire, and when the heat reaches the wax and melts it, the rods fall down. Excellent way of showing conduction.
Playing time: 2 min (V706)
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Rising heat (4C4)
The process of convection in a kettle as it boils.
Playing time: 4 min (V707)
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Radiometer (4C5)
Using a radiometer to show solar radiation.
Playing time: 4 min (V708) |
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Loft insulation (4C7)
How loft insulation traps air and acts as an insulator (which is why the insulation material must not be squashed!).
Playing time: 3 min (V643)
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Insulation roll (4C7)
Showing how an insulation roll is compressed for transport, but that it has elastic properties which cause it to expand as soon as it is unwrapped.
Playing time: 4 min (V644)
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Ski gloves (4C9)
A cut-away section of a ski glove to show how insulation materials are used in keeping hands warm.
Playing time: 3 min (V709)
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