Causes of Moon Phases

What causes the moon's phases

• Where you are standing on Earth

• the amount of sunlight reflected onto the moon from the sun

• The tilt of Earth

• how fast the moon is moving

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Changes in the moon's appearance are

• phases

• eclipses

• stages

• cycle

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What causes the phases of the moon?

• Earth's movement around the sun

• the moon's movement around Earth

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What causes the moon's phases?

• The position of the moon relative to Earth and the Sun

• The Earth's rotation on its axis

• The distance of the moon from Earth

• The gravitational pull of the Sun

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Which of the following best explains why we see different phases of the moon?

• The moon emits its own light

• The moon's surface changes

• The moon reflects sunlight at different angles

• The moon's orbit is elliptical

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During which phase is the moon not visible from Earth?

• Full Moon

• New Moon

• First Quarter

• Last Quarter

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What is the primary reason for the occurrence of a lunar eclipse?

• The moon is between the Earth and the Sun

• The Earth is between the Sun and the moon

• The Sun is between the Earth and the moon

• The moon is at its farthest point from Earth

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How long does it take for the moon to complete one full cycle of phases?

• 7 days

• 14 days

• 29.5 days

• 365 days

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Which phase comes immediately after the New Moon?

• Full Moon

• First Quarter

• Waxing Crescent

• Waning Crescent

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What is the term for the moon phase when more than half of the moon is illuminated but not yet full?

• Waxing Crescent

• Waning Crescent

• Waxing Gibbous

• Waning Gibbous

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NGSS.MS-ESS1-1