Improving Efficiency (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What happens to heat loss when a material has low thermal conductivity?
What happens to heat loss when a material has low thermal conductivity?
Less heat energy is lost
Why are low thermal conductivity materials better for buildings?
Why are low thermal conductivity materials better for buildings?
They keep heat inside better
What is the cavity in a wall?
What is the cavity in a wall?
Space between inner and outer walls
What property should cavity insulation material have?
What property should cavity insulation material have?
Low thermal conductivity
How do insulated cavity walls help throughout the year?
How do insulated cavity walls help throughout the year?
Warmer in winter, cooler in summer
What structure do double-glazed windows have?
What structure do double-glazed windows have?
Two glass layers with a gap
What is in the gap of double-glazed windows?
What is in the gap of double-glazed windows?
Air or gas
Why does the gap in double-glazed windows reduce heat loss?
Why does the gap in double-glazed windows reduce heat loss?
Air/gas has low thermal conductivity
Where is loft insulation placed?
Where is loft insulation placed?
In the attic or roof space
Why is the roof important for preventing heat loss?
Why is the roof important for preventing heat loss?
It's a main area where heat loss occurs
What is the main goal of building insulation methods?
What is the main goal of building insulation methods?
To minimise heat loss