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Posts: 3560
12 years ago
Process of Science: Devise an experiment that would produce evidence (not necessarily proof) that Earth is round. You may use any technology you like, but you may not leave Earth (i.e., no satellite photos and no space travel). Be as creative as you like—there are many right answers. 
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wrote...
12 years ago
Some answers are: circumnavigate the globe; call a friend in Japan during the day here and find out that it’s night there; watch the sails of ships sailing off into the distance; observe Polaris from the North Pole and watch its position change as you move towards the equator, etc.
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