Mystery Class begins January 30, 2015
Monthly: September 1, 2014 - January 1, 2015
As you countdown the months before Mystery Class begins in January, track changes in day length as the Earth revolves around the Sun.
December 2014
During Mystery Class, students receive time clues from secret locations around the world. This month, explore local and Universal Time.
November 2014
Days are getting shorter in the Northern Hemisphere as winter approaches. Begin to explore the question: What makes seasons?
October 2014
Autumn is here and days are getting shorter. This month, explore what causes day and night.
Getting Ready for Mystery Class: Track changes in daylength as the Earth revolves around the Sun.
Explore previous seasons:
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