The library of Eratosthenes

Montreal (CANADA)

2006 by astro.perbosc

school : St. Monica’s Elementary School
city : Montreal
country : Quebec Canada
address :
postal code :
latitude : 45°28’02 N = 45.467°
longitude : 73°38’01 W = -73.633°
year : 2006


45:28:02 North 73:38:01 West

Shadow length: 102 cm
Sun Angle: 45.5 degrees
Calculated circumference: 40 781 km
Partner School: Princess Anne M.S., Virginia Beach

Please find included photos showing the Grade 5 students at St.Monica school in Montreal, Quebec, Canada doing their measurements in the recess yard on a fine winter spring at temperature around 0 degree Celsius, on March 22 and 23, 2006.

Our measurements of the second day were better since they were done more around 12:30 pm than 1:00 pm. as well as students taking more care in holding the meter stick vertically.


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