Improving Efficiency (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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Practise the cards
12 cards from this deck
Thermal conductivity & heat loss relationship
Thermal conductivity & heat loss relationship
Lower thermal conductivity = less heat energy lost
Materials with low thermal conductivity in buildings
Materials with low thermal conductivity in buildings
Better at keeping heat inside, more energy-efficient
What is a wall cavity?
What is a wall cavity?
Space between inner and outer walls
Material used in wall cavities
Material used in wall cavities
Insulating material with low thermal conductivity
Purpose of cavity wall insulation
Purpose of cavity wall insulation
Reduces thermal energy escaping from the house
Structure of double-glazed windows
Structure of double-glazed windows
Two glass layers with air/gas gap between
Contents of double-glazed window gap
Contents of double-glazed window gap
Air or gas
Property of air/gas in double-glazed windows
Property of air/gas in double-glazed windows
Low thermal conductivity
Effect of double-glazing
Effect of double-glazing
Reduces heat passing through windows
What is loft insulation?
What is loft insulation?
Insulating material placed in attic/roof space
Purpose of loft insulation
Purpose of loft insulation
Prevents heat escaping through the roof
How to improve energy efficiency in buildings
How to improve energy efficiency in buildings
Minimise heat loss