Jennifer and Mark were planning a picnic for later in the afternoon. Jennifer baked a cake and was running out of time before the event and needed the cake to cool faster so she could ice it. Mark bought some sodas for the party and needed to cool them so they would be refreshing for their guests. a) Jennifer decided to stick the cake in the refrigerator instead of setting it out on the counter to cool, because she said it would cool faster. Mark believed it didn't matter where she put it, as long as it was out of the oven it would cool at the same rate. What would your suggestion to Jennifer be to help her ice the cake before the party? (Who do you agree with and why?)

University Physics Volume 2
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ISBN:9781938168161
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Chapter1: Temperature And Heat
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Jennifer and Mark were planning a picnic for later in the afternoon. Jennifer baked a
cake and was running out of time before the event and needed the cake to cool
faster so she could ice it. Mark bought some sodas for the party and needed to cool
them so they would be refreshing for their guests.
a) Jennifer decided to stick the cake in the refrigerator instead of setting it out on the
counter to cool, because she said it would cool faster. Mark believed it didn't matter
where she put it, as long as it was out of the oven it would cool at the same rate.
What would your suggestion to Jennifer be to help her ice the cake before the party?
(Who do you agree with and why?)
b) Mark placed his sodas in a cooler with ice. He checked back in about an hour or so
and noticed the ice was melting. He thought that was odd and wasn't sure what was
happening. Explain to Mark why the ice is melting as the cans are placed in the
cooler before the party.
c) Explain the phase change happening to the ice in part b). Make sure to explain
what is happening to the atoms, energy and their movement as they change phase. Is
this phase change heating or cooling?
Transcribed Image Text:Jennifer and Mark were planning a picnic for later in the afternoon. Jennifer baked a cake and was running out of time before the event and needed the cake to cool faster so she could ice it. Mark bought some sodas for the party and needed to cool them so they would be refreshing for their guests. a) Jennifer decided to stick the cake in the refrigerator instead of setting it out on the counter to cool, because she said it would cool faster. Mark believed it didn't matter where she put it, as long as it was out of the oven it would cool at the same rate. What would your suggestion to Jennifer be to help her ice the cake before the party? (Who do you agree with and why?) b) Mark placed his sodas in a cooler with ice. He checked back in about an hour or so and noticed the ice was melting. He thought that was odd and wasn't sure what was happening. Explain to Mark why the ice is melting as the cans are placed in the cooler before the party. c) Explain the phase change happening to the ice in part b). Make sure to explain what is happening to the atoms, energy and their movement as they change phase. Is this phase change heating or cooling?
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