Today's Report Includes:

• This Week's: Data, Clues, Questions and Journal
  
  
• Seeing Clues: First Clues from the Mystery Classes!
  
  
• Prediction: What Will Happen Next?
  

• Journaling: Why Are Day and Night Equal?

• Testing: Did You Have Eggsemplary Standing?
  
  
• Links: This Week's Mystery Class Resources
  
  

Seeing Clues: First Clues from the Mystery Classes Have Arrived!

"How are you coming on your quest to find us? We're pretty good at hiding, aren't we?

We wish we could tell you more. For now, we've sent our first set of clues for you.

Will these narrow your search? More clues are coming for the next three weeks -- good luck, friends!"

Clues for March 21 >>

With eight weeks of data and the spring equinox behind you, can you tell where the graph lines are heading now? In today's Handout above, predict the way your graph will look next week.

Journaling: Why Are Day and Night Equal?

At 05:48 UT on March 20, the spring equinox occurred. Imagine that you were looking down from space over the North Pole when this happened. Take a look at this equinox animation from space.

Pay careful attention to what you observe. Then, write one paragraph in your journal that ends with this sentence:

". . . And that explains why day and night are of nearly equal length
all around the world on the equinox."

Earth on the Equinox

What happened when you tried to balance your egg on the equinox?

Does this change your prediction? Your hypothesis?

Record the results.

Then, keep testing for the next two weeks >>

Explore: Why Day and Night are Equal

• Far Above the North Pole: What Pattern Do You See? >>

Materials and More:

• How to Participate, Data Sheets and Graphs >>
• Quick links to weekly updates, clues, data, tips and resources >>

Mystery Class Deadlines:

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

The Next Mystery Classs Update Will Be Posted on March 28, 2008.

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