Astronomy Review

Why do we see different phases of the moon?

• Due to the moon revolving around the Earth

• Because the Sun gives the moon different amounts of light

• We see different sides of the moon as the Earth rotates

• The Earth blocks different parts of the moon.mooMoonM

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What force is most responsible for Earth’s orbit around the sun?

• Gravitational Force (Gravity)

• Magnetic Force

• Friction

• Electric Force (Electricity)

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Which object below exerts gravity?

• Moon

• Earth

• Sun

• All of the above objects exert gravity

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What motion occurs when the earth spins on its axis? This motion lasts 24 hours and results in day and night.

• Earth’s Rotation

• Tidal Cycle

• Earth’s Revolution

• Moon’s Revolution

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NGSS.MS-ESS1-1

What motion occurs when the earth travels around the sun? This motion lasts 365 1⁄4 days and results in the seasons.

• Tidal Cycle

• Earth’s Rotation

• Moon’s Revolution

• Earth’s Revolution

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What motion occurs the moon travels around the Earth? This motion lasts 29 1⁄2 days days and results in the phases of the moon.

• Earth’s Revolution

• Tidal Cycle

• Moon’s Revolution

• Earth’s Rotation

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What is at the center of the Solar System?

• Earth
• Moon
• Sun
• Jupiter

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What season is letter A in the northern hemisphere?

• Winter
• Summer
• Spring
• Fall

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Earth moves around the sun because of the pull of ___ between Earth and the Sun.

• gravity

• orbit

• rotation

• revolution

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How much of the moon is always illuminated?

(a)  

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