Earth and Moon Study Guide

How long does it take Earth to complete one orbit around the Sun?

• 24 hours

• 30 days

• 365.256 days

• 1000 days

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What is caused by the tilt of Earth’s rotational axis?

• Earth’s orbit

• Earth’s Seasons

• Earth’s Revolution

• Earth’s Rotation

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What happens when the Northern Hemisphere is tilted toward the Sun?

• It is winter in the Northern Hemisphere

• It is summer in the Northern Hemisphere

• It is night all the time in the Northern Hemisphere

• The Northern Hemisphere gets less sunlight

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What is the main reason the moon appears to change shape in the night sky?

• The moon changes its shape

• The moon moves behind clouds

• The moon orbits Earth, and sunlight reflects differently

• The sun moves around the moon

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Which phase comes immediately after the New Moon?

• Full Moon

• Waxing Crescent

• Waning Gibbous

• Last Quarter

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What does the word "waxing" mean when talking about the moon?

• The moon looks smaller each night

• The moon is covered in wax

• The illuminated part of the moon is growing

• The moon is disappearing

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During the Full Moon, where are the Earth, moon, and sun positioned?

• The moon is between Earth and the sun

• The Earth is between the sun and the moon

• The sun is between Earth and the moon

• The moon is hidden

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Which phase shows half of the moon’s surface illuminated and happens after the Full Moon?

• First Quarter

• Waxing Crescent

• Last Quarter

• Waxing Gibbous

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About how often do spring tides occur?

• Once each month

• Once each year

• Twice each month

• Twice each year

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Which accurately describes Earth’s position during the summer in the Northern Hemisphere?

• Earth is at its closest point to the sun

• Earth’s hemispheres receive equal amounts of solar energy

• The north end of Earth’s rotational axis leans toward the sun

• The sun emits a greater amount of light and heat energy

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