Earth & Space Fourth Grade

How are the inner planets of our solar system alike?

• They are made of gases

• They are very large compared to the other planets.

• They are many moons.

• They are smaller compared to outer planets.

What separates the inner and outer planets?

• Comets

• Asteroid Belt

• Earth

• Seat Belt

What are gas giants?

• The Milky Way

• The Outer Planets

• The Sun

• The Comets

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Outer planets ...

• are large and made of gases.

• have rocky surfaces.

• are smaller than inner planets.

• are warmer than inner planets.

Why do we have moon phases?

• The revolution of the Earth allows different amounts of light to be reflected from the surface of the moon.

• The rotation of the Sun allows us to see different amounts of light reflected from the surface of the moon

• The rotation of the Earth allows us to see different amounts of light reflected from the surface of the moon.

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How long does it take the Earth to revolve around the Sun once?

• 24 hours

• 27-31 days

• 365 hours

• 365 days

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In the Northern hemisphere in the winter, what is true?

• Day and night are the same lengths in the winter.

• The sun shines more brightly on the North Pole than the South Pole.

• The North Pole is pointed away from the Sun in the winter.

• The imaginary axis is not tilted.

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Why is it hotter in the summer than the winter in the Northern Hemisphere?

• The Northern hemisphere is tilted closer to the Sun in the summer.

• The Earth is closer to the Sun in the summer.

• The Sun gets hotter in the summer.

• The Sun gives off more energy in the summer.

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How often do we see a full moon in the sky?

• Once a week

• Once a year

• Once a quarter

• Once a month

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How many days does it take the moon to rotate the Earth?

• One day

• 27-31 days

• 365 days

• 365 months

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