Earth's Rotation and Day/Night Cycle

What causes the day and night cycle on Earth?

• The Earth's revolution around the Sun

• The Earth's rotation on its axis

• The Moon's orbit around the Earth

• The Sun's rotation on its axis

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How long does it take for the Earth to complete one full rotation on its axis?

• 12 hours

• 24 hours

• 365 days

• 30 days

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What is the main reason we experience different shadow lengths during the day?

• The Earth's rotation on its axis

• The Earth's revolution around the Sun

• The Moon's phases

• The Sun's rotation on its axis

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At what time of day is your shadow likely to be the shortest?

• Early morning

• Noon

• Late afternoon

• Midnight

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Why does the Sun appear to move across the sky during the day?

• The Sun is moving around the Earth

• The Earth is rotating on its axis

• The Moon is blocking the Sun

• The Earth's revolution around the Sun

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If the Earth did not rotate, what would happen to the day/night cycle?

• There would be no day/night cycle

• Days and nights would be longer

• Days and nights would be shorter

• The day/night cycle would remain the same

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Which direction does the Earth rotate on its axis?

• East to West

• West to East

• North to South

• South to North

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How does the position of the Sun in the sky affect the shape of shadows?

• Shadows are longer when the Sun is high in the sky

• Shadows are shorter when the Sun is low in the sky

• Shadows are longer when the Sun is low in the sky

• Shadows do not change with the Sun's position

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What is the term for the path the Sun appears to take across the sky?

• Orbit

• Axis

• Horizon

• Arc

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Which of the following best explains why we have a 24-hour day?

• The Earth's revolution around the Sun

• The Earth's rotation on its axis

• The Moon's orbit around the Earth

• The Sun's rotation on its axis

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