Experiment Report for the Eratosthenes Project on http://youth.net/
School Name: Matthew Thornton Elementary
School Location: 275 Mammoth Road Londonderry NH 03053
Email Address: asmith_at_londonderry.org
Experimenter: Mrs. Smith's Math Class
Latitude 42.8500
Longitude: -71.3636
Distance to Equator: 2963.51 miles/4769.29 km
Measured shadow angle in degrees: 43 degrees
Calculated Earth circumference: 24810.7814miles/39928.93953 km
Comments:
Our fifth grade class had a great time working with angles, line segments, latitude, longitude, fractions, ratios, etc. We were surprised at how long the shadow was at solar noon.
Received on Mon Mar 23 2009 - 07:59:39 PDT