Earth in the Universe Mid Unit Study Guide

Two days of the year on which neither hemisphere is tilted toward or away from the sun.

• Seasons

• Equinox

• Solstice

• Inertia

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When an object in space comes between the sun and a third object, it casts a shadow on the object.

• Solstice

• Equinox

• Eclipse

• Spring Tide

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A single beach on Earth would have __________ each day.

• 1 High Tide and 1 Low Tide

• 4 High Tides and 4 Low Tides

• 24 Total Tides

• 2 High Tides and 2 Low Tides

Which drawing best shows the orbit of the Moon?

• 
• 
• 
• 

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Earth's rotation takes about

• 365 days

• 6 months

• 24 hours

• 1 month

Which event takes about one year to complete?

• Earth making a complete rotation.

• The Moon making a complete rotation.

• The Moon revolving completely around Earth.

• Earth revolving completely around the Sun.

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Why are there high and low tides on Earth?

• They are due to the gravitational pull between Earth and the moon.

• They are due to changes in the moon's tilt on its axis.

• They are due to changes in the moon's speed every month.

• They are due to the magnetic force between Earth and the moon.

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There are four seasons in a year. Which reason is most responsible for the changing seasons on Earth?

• The way Earth tilts on its axis.

• The way Earth rotates on its axis.

• Changes in the distance between Earth and the Sun.

• Changes in the amount of energy the Sun produces.

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How many days does the moon take to go around the Earth?

• 32

• 24 hours

• 25

• about 27

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Which best explains why the moon has phases?

• How much of the sunlit side of the moon faces Earth.

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

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

• The moon rotates along its axis.

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NGSS.MS-ESS1-1