Improving Efficiency (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What does low thermal conductivity mean for heat loss?
What does low thermal conductivity mean for heat loss?
Less heat energy is lost
Why are low thermal conductivity materials used in buildings?
Why are low thermal conductivity materials used in buildings?
To keep heat inside the building
What is the cavity in a wall?
What is the cavity in a wall?
The space between inner and outer walls
What property does cavity insulation material have?
What property does cavity insulation material have?
Low thermal conductivity
When does cavity wall insulation keep a house warmer?
When does cavity wall insulation keep a house 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
What is between the glass layers in double-glazed windows?
What is between the glass layers in double-glazed windows?
A gap of air or gas
How do double-glazed windows reduce heat loss?
How do double-glazed windows reduce heat loss?
Gap has low thermal conductivity
Where is loft insulation placed?
Where is loft insulation placed?
In the attic or roof space
Why is roof insulation important?
Why is roof insulation important?
Roof is a main area of heat loss