Orbit and Rotation

The sun APPEARS to move across the sky, during the day. Which of the following causes shadows to change length throughout the day?

• earth's rotation

• earth's revolution

• sun's revolution

• earth's orbit

What direction does the sun appear to move across the sky?

• west to east

• north to south

• east to west

• south to north

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NGSS.MS-ESS1-1

Earth rotates on its axis once approximately every-

• month

• 24 hours

• year

• 12 hours

Earth's rotation causes the day and night cycle. It also causes-

• the sun appear to move

• the sun remain in orbit

• the sun orbit earth

• all of the above

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NGSS.MS-ESS1-1

The movement of the Earth around the Sun is called its _____

• revolution

• rotation

• precession

• gyration

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When the Earth completes a full orbit around the Sun, it has completed _____ rotations or days

• 7

• 30

• 91

• 365

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NGSS.MS-ESS1-1

In spring/summer, the axis of the earth is pointed away or toward the sun?

• towards

• Neither away or toward

• away

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which statement correctly describes the sun's apparent movement across the sky?

• as earth spins on its axis, it makes the sun appear to move across the sky?

• as the sun spins around earth, it moves across the sky

• earth rotates 24 hrs, making the sun appear move across the sky.

• the sun rotates around the earth every 12 hours, making the sun appear to move across the sky

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NGSS.MS-ESS1-1

• a

• b

• c

• d

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NGSS.MS-ESS1-1

Earth revolves around the sun, but it also makes one complete rotation. How long does it take Earth to make one complete rotation on its axis?

• 365 days

• 1 month

• 1 day

• 1 week