Alexa poured hot tea into four cups made of different materials. In which cup will the tea stay hot for the longest time?
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Worked Solution
Step 1: To keep tea hot, we need a poor conductor of heat (insulator).
Step 2: Styrofoam is an excellent insulator as it traps air.
Step 3: It slows down heat loss from the tea to the surroundings.
Correct answer: Styrofoam cup
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