Journey North Mystery Class

Mystery Class

Mystery Class Update: March 9, 2007

Today's Report Includes:

This Week's Sunrise/Sunset Data
Happy Vernal Equinox (A little early)
Celebrate! The Longitude Clues are Here
Let's Get Started: Longitude Instructions
Try This! Eggstra, Eggstra, Read All About It!
Links: This Week's Mystery Class Resources

This Week's
Sunrise/Sunset Data

for Monday Mar 5 >>

Happy Vernal Equinox! (a little early)

How many hours and minutes passed between GMT sunrise
at Greenwich (shown here) and sunrise at each mystery site?

Celebrate! The Longitude Clues Are Here

The Mystery Classes are as eager to be discovered as you are to be discovering them!

And today's Longitude Clues can take you a long way in that direction, because they help you estimate the longitude of all the Mystery Classes.

Using them is one of the most exciting and revealing steps in the quest, and more clues are still to come in the following weeks.

Find everything you'll need for
these special clues below. Have fun and good luck!

NMM London
The Prime Meridian at the Greenwich Royal Observatory, 0 degrees longitude.

Note to Teachers with Younger Students
Please don't be discouraged by this set of challenging clues--the clues will be easier after this, and at the end of the Mystery Class activity, answers will be grouped for judging with others near their same grade level.

Let's Get Started: Instructions to Approximate Longitude

IMPORTANT: Be sure to read and follow ALL the instructions very carefully.
1) Print 10 copies of the GMT Worksheet (one for each secret mystery site) and follow the step-by-step instructions on the GMT Worksheet to estimate the approximate longitude of each Mystery Class site: GMT Worksheet >>

2) In order to use the GMT Worksheet, you will also need to print the: Equinox Sunrise Table >>

3) To help get you started, we've already calculated the approximate longitude for two of this year's Mystery Class sites, using the GMT Worksheet (two freebies!). Be sure to review the two examples below: GMT Worksheet Example One >> GMT Worksheet Example Two >>

Try This! Eggstra, Eggstra, Read All About It

There's still time to conduct
this eggceptional experiment
before, during and after the equinox!

Are There Special Powers on the Equinox? >>

Links: This Week's Mystery Class Resources

Need a refresher course in longitude before you begin? See last week's primer >>
Reading Strategies: Reading With Experts: Navigating Difficult Passages >>

What's next in Mystery Class?: Check the Calendar >>

More Mystery Class Lessons and Teaching Ideas!

The Next Mystery Classs Update Will Be Posted on March 16, 2007.