| Mystery Class Sunlight Challenge: Week #5 February 24 |
It's time to zero in on the line that divides the globe into Eastern and Western Hemispheres.
© Stamp Design Royal Mail Group Ltd (1984)
This commemorative stamp features a line that divides the globe into two hemispheres. The photograph of the Earth was taken by the Apollo 11 mission to the moon.
Looking for a Clue?
On March 9, time clues will be revealed to help you estimate how far east or west each mystery site is from zero longitude.
Photoperiod Clues from the Mystery Sites
Compare Your Photoperiod
- Google, "sunrise [my town] February 24, 2020" and then, "sunset [my town] February 24, 2020."
- Record and Graph
- Guiding Questions
Time Clues: Coming March 9 (Week #7)
Student Activity
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.
Journal: It's Time to Ask Questions
Why are there 24 hours in a day? Why is the world divided into time zones? When you think about time, what questions come to mind? Use these time-related acronyms and sample questions to spark your thinking.
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