Difference between revisions of "Pennies"
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(Created page with "===Observation=== There are some pretty nasty looking pennies in circulation...and there are some very shinny pennies in circulation. ===Question=== I wonder if the mass of a...") |
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===Observation=== | ===Observation=== | ||
There are some pretty nasty looking pennies in circulation...and there are some very shinny pennies in circulation. | There are some pretty nasty looking pennies in circulation...and there are some very shinny pennies in circulation. | ||
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C:? | C:? | ||
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| + | ===Experiment=== | ||
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| + | ===Results=== | ||
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| + | ===Conclusion=== | ||
Latest revision as of 18:42, 15 January 2018
Observation
There are some pretty nasty looking pennies in circulation...and there are some very shinny pennies in circulation.
Question
I wonder if the mass of a penny changes over it lifetime?
Hypothesis
A: An older penny appears to be dirty, so the mass would increase over its lifetime making them heavier.
B: An older penny would be worn down as it rolls around in a pocket, so the mass would decrease over its lifetime making them lighter. Hypothesis
C:?