How can I prove that the earth is round?

Subject: How can I prove that the earth is round?

Date: Mon Jan 29 12:06:44 2001
Posted by Emma
Grade level: 4-6 School: Gates Mills School
City: No city entered. State/Province: No state entered. Country: No country entered.
Area of science: Earth Sciences
ID: 980788004.Es

Message:


I want to understand how the people in the 1400's could've believed the 
earth is flat and how someone back then could prove them wrong.

Re: How can I prove that the earth is round?

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