What causes day and night?

• the rise and fall of the tides

• earth orbiting the Sun

• Earth's rotation on its axis

• solar and lunar eclipses

During which event does the length of daylight equal the length of darkness?

• winter solstice

• summer solstice

• equinox

• eclipse

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NGSS.MS-ESS1-1

How long does it take the Earth to rotate once on its axis?

• 24 hours

• 7 days

• 365 days

• 1 year

Why does the Earth have different seasons?

• because of the speed of Earth as it rotates on its axis

• because of the amount of light blocked by the moon on its axis

• because of the tilt of the Earth on its axis as it moves around the sun

• because of the distance between Earth and the sun

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NGSS.MS-ESS1-1

When is the longest day of the year?

• winter solstice

• summer solstice

• vernal equinox

• autumnal equinox

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NGSS.MS-ESS1-1

Which best explains why the moon has phases?

• The moon rotates on its axis.

• The Earth casts a shadow on the moon as it rotates.

• The sun's position changes in relation to the moon and Earth.

• The moon's position changes in relation to the sun and Earth.

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NGSS.MS-ESS1-1

When the visible portion of the Moon is more than half sunlit, the phase is called

• crescent

• quarter

• gibbous

• new

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NGSS.MS-ESS1-1

When the sunlit potion of the Moon appears to be growing from one night to the next it is called

• waxing

• waning

• crescent

• gibbous

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NGSS.MS-ESS1-1

How does the gravitational pull of the moon most directly affect Earth?

• It causes the different seasons on Earth.

• It causes day and night on Earth.

• It produces high and low tides.

• It forces Earth to rotate on its axis.

Tags

NGSS.MS-ESS1-1

When there is the greatest difference between low and high tide it is called

• neap tide

• spring tide

• flood tide

• ebb tide