SC-1410
Conduction
Lower Sec Science · Secondary 2 · Medium · Conduction
A picnic cooler has a layer of foam between its inner and outer plastic walls. Which statement best explains the function of the foam?
- Foam is a good conductor, so it quickly spreads heat.
- Foam traps air, reducing heat transfer by conduction.
- Foam reflects light, reducing heat transfer by radiation only.
- Foam increases air movement, improving convection.
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