Improving Efficiency (AQA GCSE Physics Combined Science): Flashcards
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12 cards from this deck
Goal for energy efficiency in buildings
Goal for energy efficiency in buildings
Minimise heat loss
Effect of lower thermal conductivity
Effect of lower thermal conductivity
Less heat energy is lost
Best thermal conductivity for insulation
Best thermal conductivity for insulation
Low thermal conductivity
What is the cavity in a wall?
What is the cavity in a wall?
Space between inner and outer walls
Material property for cavity wall insulation
Material property for cavity wall insulation
Low thermal conductivity
Structure of double-glazed windows
Structure of double-glazed windows
Two layers of glass with gap between
What fills gap in double-glazed windows?
What fills gap in double-glazed windows?
Air or gas
Property of gap in double-glazed windows
Property of gap in double-glazed windows
Low thermal conductivity
What is loft insulation?
What is loft insulation?
Insulating material in attic or roof space
What does loft insulation prevent?
What does loft insulation prevent?
Heat escaping through the roof
A main area of heat loss in buildings
A main area of heat loss in buildings
Through the roof
Benefit of cavity wall insulation
Benefit of cavity wall insulation
Keeps warmer in winter and cooler in summer