Reporting is now closed for the 2007 activity. Thank you for your participation!
See the results of your measurements and calculations!
1) Your first online report should be of your team's shadow measurement(s). You can make one shadow measurement per day throughout Sept. 29 - Oct. 7. This report form will be available on September 29, 2007.
2) Your second (and final) online report should be of your calculation of the Earth's circumference and radius . This report form will also be available on September 29, 2007. Your calculation will be done using your Partnership's measurements. Each team in a Partnership can report their calculation. You can look up all reported shadow measurements with our data lookup tool.