Use photoperiod to estimate latitude. Calculate photoperiod using sunrise/sunset data. |
Mystery Class Data |
Sunrise/sunset data from the 10 Mystery sites will be posted here weekly on these dates. Record and graph the photoperiod for each site.
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Your Local Data |
Look up your own sunrise/sunset for the dates above. Calculate, record and graph your photoperiod. How does it compare to the Mystery Sites?
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Use Time Clues to estimate longitude:
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Narrow the search from continent to country to city. Clues will be posted weekly on these dates.
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