The Earth-Sun-Moon System

Which movement causes day and night on Earth?

• rotation of Earth

• revolution of Earth around the Sun

• Earth's elliptical orbit in space

• moon's orbit around Earth

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NGSS.MS-ESS1-1

What does Earth's rotation on its axis cause?

• the tides

• night and day

• passing of years

• phases of the moon

Which term describes one kind of movement of Earth?

• eclipse

• revolution

• tilted orbit

• lunar cycle

In which direction does the Sun appear to move across the sky?

• from west to east

• from east to west

• from north to south

• from south to north

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NGSS.MS-ESS1-1

During which phase does the Earth see more than half of the moon's surface?

• first quarter

• third quarter

• waxing gibbous

• waning crescent

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How long is the lunar cycle?

• 14 days

• 24 hours

• 365 days

• 27.3 days

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Which phase of the moon is shown?

• full moon

• first quarter

• waning gibbous

• waxing crescent

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Why do we see different phases of the lunar cycle?

• As the moon rotates around its axis, different sides of it becomes visible.

• As Earth rotates around its axis, people can see different sides of the moon.

• As Earth revolves around the Sun, the moon is cast in different shadows by Earth.

• As the moon revolves around Earth, the different amounts of the sunlit side faces Earth.

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NGSS.MS-ESS1-1

During which phase of the moon does a lunar eclipse occur?

• full moon

• third quarter

• waxing gibbous

• waning crescent

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NGSS.MS-ESS1-1

Look at the diagram of the solar eclipse. At which location is the solar eclipse viewed in totality?

• 1

• 2

• 3

• 4

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