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10 Questions

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Eratosthenes and the Earth 2

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Questions and Answers

According to Eratosthenes' measurements, how much does 250,000 stades equal in kilometers?

46,245 km (4% error)

41,675 km (16% error)

41,675 km (4% error)

46,245 km (16% error) (correct)

During the summer solstice, at what location did Eratosthenes observe no shadows at noon?

Moho boundary

Syene (correct)

Alexandria

Tropic

What is the error percentage in Eratosthenes' measurement of 250,000 stades equaling 41,675 m?

No error

4% error (correct)

Unknown

16% error

What is the Moho boundary?

A nearly spherical boundary separating concentric layers of different compositions in the Earth's interior Signup and view all the answers

What were the two possible measurements for 1 stade according to Eratosthenes?

184.98 m and 166.7 m Signup and view all the answers

What is the approximate error percentage in Eratosthenes' measurement of the Earth's circumference?

4% Signup and view all the answers

What is the distance in kilometers between Syene and Alexandria according to Eratosthenes' measurements?

46,245 km Signup and view all the answers

What is the purpose of Eratosthenes' measurements?

To calculate the Earth's circumference Signup and view all the answers

What did Eratosthenes observe at noon on the summer solstice in Syene?

No shadows were projected Signup and view all the answers

What is the significance of the tropic in relation to Eratosthenes' measurements?

Syene is located close to the tropic Signup and view all the answers