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ENERGY

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by

Paul Sheffield

on 8 November 2013

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Transcript of ENERGY

ENERGY
L.O
how good is double glazing?

Starter
If a kettle boils 1kg water from zero degrees C in 3 minutes
how much energy is transferred?
If the kettle is 2 KW (uses 2000 J a second), what is its efficiency?
Practical
Aim:
How do single, double and triple glazing affect temperature loss?
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