Improving Efficiency (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What effect does low thermal conductivity have on heat energy loss?
What effect does low thermal conductivity have on heat energy loss?
It reduces heat loss
Which property should insulating materials have to improve energy efficiency?
Which property should insulating materials have to improve energy efficiency?
Low thermal conductivity
What is the cavity in a wall?
What is the cavity in a wall?
The space between inner and outer walls
How do builders insulate walls to reduce heat loss?
How do builders insulate walls to reduce heat loss?
Pack the cavity with insulating material
What benefit does wall insulation provide in different seasons?
What benefit does wall insulation provide in different seasons?
Warmer in winter and cooler in summer
How many layers of glass do double-glazed windows have?
How many layers of glass do double-glazed windows have?
Two layers
What is in the gap between the glass layers in double-glazed windows?
What is in the gap between the glass layers in double-glazed windows?
Air or gas
How do double-glazed windows help maintain indoor temperature?
How do double-glazed windows help maintain indoor temperature?
By reducing heat passing through windows
Where is loft insulation placed in a building?
Where is loft insulation placed in a building?
In the attic or roof space
Why is the roof particularly important for insulation?
Why is the roof particularly important for insulation?
It's one of the main heat loss areas