Then compare the length of shadow you measured with what people in other parts of the world measured.ĭo you expect people at other latitudes to measure the same length of shadow that you measure? Why or why not? What do you expect if the Earth is flat? What if the Earth is round? Discuss with your family, friends, classroom, or in the comments section! The goal is to determine the length of shadow your stick creates when you hold it straight up on a specific date at a specific time of day. ![]() I hereby declare October 24th, 2017 as the day we #MeasureEarth. To participate, all you need are three one-meter measuring sticks, a sunny day, some flat ground, and an Internet connection. ![]() Who is right, and who is wrong?įolks: we live in the Internet age, which means we can test these ideas with an EXPERIMENT. Meanwhile, much of humanity believes the Earth is round. A group of people are claiming that the Earth is flat.
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