Explain why walls help keep a house warm during winter.
Answer
Walls act as a barrier between inside and outside air, reducing heat loss by blocking cold wind, storing heat during the day and releasing it at night, thus keeping houses warm.
Step-by-step solution
- Walls act as a barrier between inside and outside air.
- They reduce heat loss by blocking cold wind.
- Walls made of solid materials store heat during day and release at night.
- Thus houses stay warm.
Common mistake: Mentioning only that walls block wind but ignoring heat storage.
Concept tested: Thermal insulation provided by walls
Published · How this solution was prepared and checked
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