Unit 3.2 Explore 1 concept review

What is the name given to the pattern of change in the moon’s appearance?

• Lunar eclipse

• Lunar cycle

• Lunar phases

• Luna Moth

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The moon’s appearance changes from one night to the next and its position in the sky changes throughout the night.

False

• True

• False

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What is the reason for the appearance of the moon changing from one night to the next?

• The Earth’s shadow blocking the light to the moon

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

• The non-changing positions of the sun, the moon, and Earth

• The moon getting farther and closer to the sun

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How many phases is the lunar cycle divided into?

• Five

• Seven

• Eight

• Three

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During this phase the entire side of the moon facing us is dark.

• First quarter

• Waxing gibbous

• Full moon

• New moon

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During this phase we see only a sliver of the moon illuminated.

• Waning crescent

• Waxing crescent

• Both answers are correct

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During this phase we see a half-circle. Half of the side of the moon facing us is lit.

• Waxing or Waning Crescent

• Waxing or Waning Gibbous

• First or last Quarter

• Full moon

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During this phase the moon is more than half illuminated but is not yet full.

• Waxing or Waning Crescent

• Waxing or Waning Gibbous

• First or last Quarter

• New moon

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NGSS.MS-ESS1-1

During this phase the side of the moon facing us is fully illuminated by sunlight.

• Last quarter

• Full moon

• New moon

• Waning gibbous

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How long does a full lunar cycle take?

• 12 hours

• 29.5 days

• 12.5 months

• 365 days

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