Mystery Class Update: February 17, 2012

With three weeks of photoperiod data, can you tell which Mystery Class sites are north and south of your hometown? This week, an iconic wildlife species reveals an additional clue.

This Week's Update Includes:

Image of the Week

Clues: Sunrise/Sunset Data for Week #3

Mystery site data:

Local data:

  • Look up your data for February 13.
  • Report data (select "daylight", enter 02/13/12).
  • View data on photoperiod map.


Mystery Class: A study of sunlight and the seasons

Mystery Class
Photoperiod Map

Connect: Share Facts About Wildlife

The next time you report:

  • Share a fun fact -- what's the official mammal of your state/province? Include it in the comments section of your report. Upload a picture for others to see.
  • View fun facts others have reported on map or list.


Journal: Reflecting on Data and Concepts

How do the data and graph lines show you which Mystery Class sites are north and south of the equator? How do they show you which sites are north and south of your location?


Journal #3
Journal Page
Week #3
Game: Locate the Spot

Through a game, have students explore the value of the global grid system in describing location.

Using a flat surface and then a sphere, students compare and share the words and measuring tools needed to describe location of a spot.

The Next Mystery Class Update will be posted February 24th.