Countdown to Mystery Class 2018: Three Months to Go
 

Days are getting shorter in the Northern Hemisphere as winter approaches. Begin to explore the question: What makes seasons?

  • Mystery Class starts January 26, 2018

 

Image of the Month

What makes seasons?

What makes seasons?
The Living Earth®
Slideshow: What Makes Seasons?

Observe, Wonder, and Predict
Observe images of the Earth from space. See how sunlight strikes the Earth over the course of a year. Use the activities to explore the 12-month cycle of changes.


What Makes Day and Night?
Continue to Track Changes in Day Length

Photoperiod is a central clue in Mystery Class. Build skills by reporting your photoperiod each month.

Report
Photoperiod for
November 20

Report to the Map!

1. Report for November 20

2. Find your sunrise/sunset: Look-up

3. Calculate your day length (photoperiod).

4. Report your day length: Select "Daylight"

 
Mystery Class Photoperiod Map Photoperiod Map: Dates to Report Photoperiod Map: Guiding Questions
Map Dates
to Report
Guiding Questions
for Map Analysis
 
Just for Teachers: Helpful Links
Mystery Class Participation Guide Mystery Class Participation Guide Mystery Class Participation Guide
How to Particpate
Teacher's Guide
Photoperiod Clues
Planning Packet #1
Time Clues
Planning Packet #2