Mystery Class Update: March 14, 2008

Today's Report Includes:

This Week's: Data, Questions and Journal

Sunrise/Sunset Data for Monday, Mar 10 New this week!
This Week's Questions (Handout)
Mystery Class Journal
(Journal page)

Journaling: Do You Notice Anything Unusual?

Today you received the seventh week of data.

Are you watching the sunrise/sunset times closely?

 

 

 

Do you notice anything different since last week?

How about in the photoperiods?

Seeing Clues: The Longitude Clues Have Arrived

The Longitude Clues are here. What do you think they will reveal?

Photo: Sunrise at Greenwich on the Spring Equinox

The Longitude Clues: Instructions and Worksheets

IMPORTANT: 
Be sure to read and follow ALL the instructions very carefully.

As you work on the Longitude Clues with your worksheets,
it may be helpful to view this image of the rotating Earth. Click image to enlarge.

1) Print ten copies of the Longitude Clues Worksheet

(one for each Mystery Class) and follow the step-by-step instructions on this worksheet:
  • Longitude Clues Worksheet >>
 

2) In order to use the Longitude Clues Worksheet, you will also need to print the:

  • Equinox Sunrise Table >>
 

3) To help get you started, we've already completed worksheets for two of this year's Mystery Class sites (two freebies!).

Be sure to review the two examples below:

  • Worksheet Example One >>
  • Worksheet Example Two >>

4) 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.

 

Eggsperiment! Is there Cosmic Balance on the Equinox?

Recently, you've been conducting your pre-equinox eggsperiments. Can you make a prediction what will happen to your egg when you try to balance it on the equinox, next Thursday March 20?

Links: This Week's Mystery Class Resources 
More About the Longitude Clues:
  • A Clue About the Longitude Clues: Why They Only Work on the Equinox
    • Teachers Guide >>
    • Slideshow >>
  • Advice from Mystery Class Teachers: Longitude Place Marker >>

Materials and More:

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

Mystery Class Deadlines:

  • Know What to Expect and When -- Mark your Calendars >>
More Mystery Class Lessons and Teaching Ideas!


The Next Mystery Classs Update Will Be Posted on March 21, 2008.