Earth, Moon, and Sun MS-ESS1-1

Earth has seasons because

• it has an axis
• the sun gets closer and farther from the sun
• axis is tilted as it moves around the sun
• the sun gets hotter

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NGSS.MS-ESS1-1

The phase of the moon you see depends on

• where you are on Earth's surface
• how much of the sunlit side of the moon faces Earth
• if the moon is making its own light
• whether or not an eclipse is occurring.

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NGSS.MS-ESS1-1

The moon does not create its own __________, but reflects the light of the ___________.

• phase, earth

• light, sun

• light, earth

• light, stars in the galaxy

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NGSS.MS-ESS1-1

True or False: The moon is always half lit by the sun.

• True

• False

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NGSS.MS-ESS1-1

What is the result of the moon's orbit being tilted?

• A solar eclipse EVERY month

• A solar eclipse every few years

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NGSS.MS-ESS1-1

When the lit part of the moon is getting bigger, we call that ...

• Waxing

• Waning

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NGSS.MS-ESS1-1

When the lit part of the moon is getting smaller, we call that ...

• Waxing

• Waning

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NGSS.MS-ESS1-1

True or False: One side of the moon is always facing the sun.

• True

• False

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NGSS.MS-ESS1-1

Name the phase of the moon for letter a (the sun is on the right hand side of this picture)

• First Quarter

• Last Quarter

• Waxing Gibbous

• Waning Gibbous

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NGSS.MS-ESS1-1

Which type of eclipse occurs when the Earth comes directly between the Sun and Moon?

• Lunar eclipse
• Solar eclipse

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NGSS.MS-ESS1-1