Mystery Class
The Vernal Equinox is coming! Only on the equinox, locations at the same longitude experience sunrise at the same time. Next week's Time Clues will help you estimate the longitude of the Mystery sites.
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Mystery Classes Photoperiod Data
Local Photoperiod Data
Resources
- Participation Guide
- Need Modifications? Contact Us
Try this activity to help students make connections between time and longitude.
Teacher Planning Packet
Includes background information that will help you understand the science and math behind time clues.
Draw your photoperiod graph the way you predict it will look at the end of March.
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