P2.5 - Heating and insulating buildings

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Physics

Energy & Momentum

GCSE Physics

AQA

Energy

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4 Terms

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Cavity wall insulation

Used to fill the brick cavity between the two brick layers of the external house wall

2
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Methods of heating houses

  • electric/gas heaters

  • gas/oil fired central heating

3
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Methods to decrease energy transfer from a house

  • loft insulation

  • cavity wall insulation

  • double glazed windows

  • aluminium foil behind radiators

  • external walls with bricks and lower thermal conductivity

4
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Solar panels

Absorb infrared radiation from the sun and use them to generate energy directly or heat water directly