Temperature certainly has something to do with energy, but the two concepts are distinct. Here is an activity that will help reveal the differences:
Materials:
| Suppose we fill cup A almost full of hot water and fill cup B one-quarter full of hot water. | Predictions | ||
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*If we had warmed the water for these in separate pans on the stove,
which would take longer?
(Click on one of the choices to mark your opinion) |
Cup A would take longer
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About the same length of time
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Cup B would take longer
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| *Which one do you think contains the most energy? | Cup A
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They are the same
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Cup B
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*Predict: what will you find when you measure the
temperatures of the water in the two cups? |
Cup A is cooler
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They are the same
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Cup B is cooler
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| Now let's do the experiment. Fill cup A almost full of hot water; fill cup B one-quarter full of hot water. | Results | ||
| *Are the temperatures different? | Yes | Not very different | No, they are rather different
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| Wait a few minutes and measure the temperatures again. | |||
| *How do the temperatures compare now? | Cup A is cooler | They are the same | Cup B is cooler |