Plasma (4F0)
An introductory look at electricity, which cannot normally be seen.
Playing time: 4 min (V721)
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Plasma (4F0)
Shows a plasma globe and what happens if you touch it with a finger, and how it interacts with electrical appliances.
Playing time: 4 min (V965)
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Using foil as a conductor (4F3)
The simplest circuit using baking foil to make the connections and showing that it is the material, not the shape of it, which matters.
Playing time: 2 min (V722)
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Using wires as a conductor (3F3)
The same circuit, but using conventional wires to show that the circuit is a loop.
Playing time: 1 min (V723)
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Component holders (4F4)
Making a more formal circuit using component holders.
Playing time: 1 min (V724)
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Simple circuit (4F5)
A circuit with two cells matched to a 3V bulb.
Playing time: 3 min (V725)
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Playing time: 2 min (V726)
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Playing time: 2 min (V727)
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Circuits that won't work (4F8)
Showing why it is important to make a circuit properly and some of the reasons a circuit will not work.
Playing time: 3 min (V728)
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Series circuits (4F9)
Putting a number of components into a series circuit.
Playing time: 1 min (V729)
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Testing for conductors (4F10)
Using a circuit as a test instrument by relying on the property that a conductor will complete a circuit, while an insulator will not.
Playing time: 6 min (V730)
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Filament
How the filaments work inside different types of light bulb.
Playing time: 2 min (V947)
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Spark
Shows sparks produced when lighting a gas appliance.
Playing time: 1 min (V963)
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