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During an investigation of heat transfer, students poured equal amounts of water at different temperatures into two identical containers. The containers were then
sealed with a foam lid and a U-shaped aluminum bar was inserted into each liquid through the foam lids. The students placed a thermometer into each liquid to
monitor the temperature as shown in the diagram below.
Sample A
Sample
B
The temperature of the two liquids was recorded every 60 seconds. The graph above shows the data collected on the change in temperature of the two liquids
over 4 hours. It temperature data was collected for four more hours, which of the following should the students expect to observe and why?
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