Unit 6 Review Earth Moon Sun

How long does it take for the moon to orbit around Earth one full revolution?

• About 1 year

• About 1 day

• About 1 month

• There is no set time.

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NGSS.MS-ESS1-1

How long does it take for the moon to orbit around Earth one full revolution?

• About 1 year

• About 1 day

• About 1 month

• There is no set time.

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NGSS.MS-ESS1-1

What causes the moon to look different each night?

• The shadow of the moon falling on the sun.

• The shadow of the Earth falling on the moon.

• The changing relative positions of the moon, Earth, and sun.

• The shadow of the sun falling on the moon.

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Waning means ____.

• The moon seems to be growing larger as you see more of the illuminated side of the moon each night.

• The moon is changing color.

• The moon seems to be shrinking as you see less of the illuminated side of the moon each night.

• The moon is being hit by meteorites.

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What is the pattern of the phases of the moon?

• They change every 12 years.

• They can occur in any order.

• They follow a pattern with a predictable sequence.

• They usually follow a pattern, but sometimes the pattern makes unpredictable changes.

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Where does the moon get its light?

• All of the answer choices are correct.

• It is covered in a radioactive element.

• By reflecting light from the sun.

• From nuclear reactions at its core.

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The amount of the lighted side of the moon you can see is the same during

• new moon and full moon phases.

• 1st quarter and 3rd quarter phases.

• full moon and 3rd quarter phases.

• new moon and 1st quarter phases.

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The phase of the moon you see depends on

• whether or not an eclipse is occurring.

• how much of the sunlit side of the moon faces Earth.

• how much of the moon's surface is lit by the sun.

• where you are on the Earth's surface.

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What is the term for when the moon is completely illuminated and visible from Earth?

• New Moon

• Waxing Crescent

• Full Moon

• Waning Gibbous

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How does the gravitational pull of the moon affect Earth?

• It causes the Earth's rotation to slow down.

• It has no effect on Earth.

• It is responsible for the tides.

• It affects the Earth's magnetic field.