Google Spreadsheet for Data Analysis

First:  Open and view the spreadsheet linked directly above. 
Then: Find a school in your country are a country near you.
Next: Enter the following into your project journal.

1. the latitude of that school.
   
2. the longitude of that school.
   

Last: Use a map to find the longitudinal distance (north-south distance) in kilometers between the two places and enter the distance into your project journal.

Now you are ready to complete the math:

1, Subtract the angle of inclination of the sun at  solar  noon at your location from the angle of inclination in your selected second school. This needs to be  a positive number  so  take the absolute value of the  remainder.  

3. Using a map, determine the distance in kilometers between you and the place you have chosen.  
4. Multiply  #2 x #3. The answer gives you the circumference of earth.

When you do the math, what is number of kilometers for the earth's circumference?

1.  Enter the answer into your project journal. 
   
2. Record your information and your answer into the survey at the bottom of this activity.
   

Next: 

1. Select four more cities either north and/or south of your location.  
   
2. Complete the calculation for the four other places. 
   
3. Record the information in your project journal.
   
4. Take the average of these five circumferences. 
   
5. Record  your information in the survey survey below!