Journey North Home Page Mystery Class Home Page Journey North Home Page Resources for Teachers Mystery Class News Mystery Class Home Page Mystery Class Data and Clues Mystery Class Photoperiod Map
Get Ready for Mystery Class
Track changes in day length as the Earth revolves around the Sun. More...
How to Participate
Mystery Class Photoperiod Map
Reasons for Seasons: Model
Track the Seasons to Solve a Mystery

Mystery Class is a global game of hide-and-seek. Follow photoperiod clues to search for ten secret sites around the world. Track sunlight to solve a mystery—and discover the reasons for seasons along the way.


Journey North Home Page   Facebook Pinterest Twitter   Annenberg Media Home Page
Copyright 1997-2015 Journey North. All Rights Reserved.   Contact Us    Search