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9.1 Part 2
Earth's Day/Nights
5
Science
5th Grade
03/30/2011

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Cards

Term
Daytime
Definition
when the side of the Earth, in its rotation, is turned toward the sun
Term
Nighttime
Definition
when the side of the Earth, is in its rotation, is turned away from the sun
Term
Polar Daytime
Definition
the polar area when the Earth's axis is tilted toward the sun, can have nighttime for 24 hours straight
Term
Polar Nighttime
Definition
the polar area when the Earth's axis is tilted away from the sun, can have nighttime for 24 hours straight
Term
Length of Daytime and Nighttime Varies
Definition
when the Earth's axis is tilted toward the Sun, areas with latitudes between the poles and equator have days longer than 12 hours and nights shorter than 12 hours; when Earth's axis is tilted away from the Sun, these areas have days with daylight shorter than 12 hours and nighttime longer than 12 hours.
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