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Countdown to Mystery Class: One Month to Go!

Mystery Class begins January 30th! Get ready by writing riddles about key words and concepts. Also, continue practicing daylength calculations and report your photoperiod for January 1st.

This Week's Update Includes:

 

Image of the Month

Rotation of the Earth
What Am I?

Prepare Students for Mystery Class

1. Get Ready With Riddles
Build background knowledge and sleuthing skills with a vocabulary challenge. Identify key words and concepts for Mystery Class that may be unfamiliar to your students. In small groups, have students track down definitions and relevant information for each word you provide. Next, have students use the information they find to create riddles on index cards. Challenge students to exchange and answer riddles. Periodically assess students' growing knowledge by reading riddles aloud for the class to solve.

Key Words and Concepts about Time and Seasons Time Seasons and the Globe
Key Words and Concepts Sample Riddle Card

2. Report Your Photoperiod
Report your daylength data for January 1st.

New this year! Beginning January 30th, Mystery Class participants may report photoperiod every Monday, January 30 - April 9, 2012. The Mystery Class photoperiod map will display data reported by participating classrooms. (The 10 mystery sites will not appear on the map!) Use the photoperiod map as a tool to visualize seasonal changes in sunlight around the globe.


Mystery Class Photoperiod Map: Report Your Daylength

Mystery Class
Photoperiod Map

Mystery Class Begins January 30, 2012

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

 

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