Science Unit 4 - Review

Why is the Equator warmest?

(a)  

• Because it receives the most direct sunlight
• Because it is closest to the sun.
• Because no clouds form here.

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Which season is taking place in the Northern Hemisphere in Position 1?
(a)  

• Winter
• Spring
• Summer
• Fall

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Which season is taking place in the Northern Hemisphere in Position 3?
(a)  

• Summer
• Winter
• Spring
• Fall

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If it's summer in the Northern hemisphere, then it's ​ ​ (a)   in the Southern hemisphere. 

• winter
• spring
• summer
• fall

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The Earth's ​ (a)    is an imaginary line that goes

from the North Pole to the South Pole.

• axis
• equator
• orbit
• moon

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Where on Earth does the midnight sun occur? ​ (a)  

(The midnight sun is when the sun does not set)

• Both poles
• The equator
• Only the North pole
• Only the South pole

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How long does it take the earth to revolve once around the sun?

(a)  

• 365.25 days
• 24 hours
• 28 days
• one light-year

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The Earth's axis is tilted (a)   degrees.

• 23.4
• 3.14
• 30.2
• 12.3

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What does the rotation of the earth cause us to experience?

(a)  

• day & night
• seasons
• year

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Earth's seasons are caused by

(a)   .

• the tilt of Earth's axis
• the distance from the sun
• solar flares

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