Is the Earth Really Round?

Explain how the phenomenon of ships disappearing over the horizon supports the idea that the Earth is round.

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What evidence from space supports the claim that the Earth is round?

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How does gravity provide evidence for the Earth's round shape?

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Which of the following is NOT evidence that the Earth is round?

• Ships disappearing over the horizon

• The Earth's shadow on the Moon during a lunar eclipse

• Photographs from space

• The flat appearance of the Earth from the ground

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During a lunar eclipse, what shape is the Earth's shadow on the Moon?

• Square

• Round

• Triangular

• Oval

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Why is it possible for airplanes and ships to travel around the world and return to their starting point?

• Because the Earth is flat

• Because the Earth is round

• Because of the Earth's magnetic field

• Because of the Earth's atmosphere

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