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Mystery Class Update: February 18, 2000

Today's Report Includes:


The Times, They Are a Changing

Mrs. Berger's 5th Grade Class

Thanks to Mrs. Berger's class, here is the second set of sunrise/sunset data from our Mystery sites around the world. Remember this information was recorded on Monday, the same day you collected your sunrise/sunset data.

As you plot this week's information on your graph, see if you can determine these things:
  1. Where is photoperiod changing the most quickly?

  2. In which places is it increasing? In which places is it decreasing?

  3. What might these things tell you about the location of each site?


Newspaper Wasn't Delivered Today?
You now have another excellent research tool to look up your own hometown sunrise/sunset times, courtesy of Mrs. Berger and The Time Service Dept., U.S. Naval Observatory. Mrs. Berger tells us that by using this Internet resource with your latitude and longitude coordinates, you can find your own sunrise and sunset times. Just go to:


This Week's Sunrise/Sunset Times

Here are this week's data:

Journey North Mystery Class

Sunrise/Sunset Data

Data For: Monday, February 14, 2000

Mystery Class

Sunrise

Sunset

#1

06:27

19:49

#2

08:50

18:26

#3

07:11

18:40

#4

06:25

18:32

#5

07:52

17:13

#6

06:48

20:16

#7

07:33

17:40

#8

00:00*

00:00*

#9

07:59

17:59

#10

08:12

17:45

* Mystery Class #8 sent this note to you: "No sunset or sunrise yet--have fun finding us!"

The Next Mystery Class Update Will be Posted: February 25, 2000

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