Mystery Class Update: February 22, 2013

Clocks around the world are set at different times. This week, explore time zones to get ready for special clues coming in March.

This Week's Update Includes:

Image of the Week

Photo: Wiki Commons / A. Thompson
Wide awake! Are you?

Clues: Sunrise/Sunset Data for Week #4

Mystery site data:

Local data:

  • Look up your data for February 18.
  • Report data (select "Daylight", enter 02/18/13).
  • View data on photoperiod map.


Report to the Map!

Select "Daylight"
Enter for 02/18/13
Activity: When is Your Birthday?
Why does the date of your birthday depend on where in the world you were born?
Birthday Cupcakes
When is Your Birthday?
Connect: Share Facts about Birthdays

When you report to the map this week:

  • 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.



Worksheet | Time Zones, Time-related Acronyms: Asking Questions
Journal Week #4

The Next Mystery Class update will be posted March 1, 2013.