Moon Phases

Changes in the moon's appearance are

• phases
• eclipses
• stages
• cycle

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NGSS.MS-ESS1-1

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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NGSS.MS-ESS1-1

Define Waxing

• Moon is increasing and light part appears to be growing
• Completely illuminated
• dark side is facing earth
• Moon is decreasing and light part appears to be shrinking

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NGSS.MS-ESS1-1

How many phases does the moon go through?

• 4
• 8
• 10
• 16

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NGSS.MS-ESS1-1

As the moon's shape appears to get smaller, we say that the moon is _.

• swelling
• waxing
• waning
• disappearing

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NGSS.MS-ESS1-1

The cycle of the moon lasts about a _.

• day
• year
• week
• month

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NGSS.MS-ESS1-1

The spinning of the earth on its axis that causes day and night is called

• orbit.

• axis.

• rotation.

• revolution.

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NGSS.MS-ESS1-1

The path of an object in space around another object is a(n)

• orbit.

• axis.

• rotation.

• revolution.

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

It takes about _____ for the earth to complete one rotation.

• 28 days

• 24 hours

• 365 hours

• 365 days

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NGSS.MS-ESS1-1

If the last full moon was on April 4th, when can you expect to see the next full moon? 

• April 29th
• July 4th
• May 4th
• September 12th

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NGSS.MS-ESS1-1