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
Mystery Class Update: February 24, 2012

Why are clocks around the world set at different times? This week, explore questions about time to get ready for special clues coming in mid-March.

This Week's Update Includes:

Image of the Week

Clocks
Photo: Tourneau
What Time is It?

Clues: Sunrise/Sunset Data for Week #4

Mystery site data:

Local data:

  • Look up your data for February 20.
  • Report data (select "daylight", enter 02/20/12).
  • View data on photoperiod map.

Resources:

Mystery Class: A study of sunlight and the seasons

Mystery Class
Photoperiod Map

Activity: When is Your Birthday?
Why does the date of your birthday depend on the time and place you were born?

 

Birthday hat
Connect: Share Facts about Birthdays

The next time you report:

  • Share a Survey Result -- Which month has the most birthdays in your family or classroom? Conduct a survey and share your results.
  • View survey results others have reported on map or list.

 

Journal: Reflecting on Data and Concepts

It's time to ask questions! Why are there 24 hours in a day? Why is the world divided into time zones? When you think about time, what questions come to mind? Use these time-related acronyms and sample questions to spark your thinking.

 

Journal Page #4
Journal Page
Week #4
The Next Mystery Class Update will be posted March 2nd.
Journey North Home Page   Pinterest Facebook   Annenberg Media Home Page
Copyright 1997-2014 Journey North. All Rights Reserved.   Contact Us    Search