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Unit 2- Seasons

TermDefinition
rotation The spinning of a body, such as a planet, on its axis.
Day/Night Caused by earth's rotation
axis imaginary line around which Earth spins
Day The time it takes a planet to complete one full rotation on its axis.
Earth makes one complete rotation in this amount of time 24 hours /1 day
Revolution The motion of a body that travels around another body in space.
The time it takes Earth to make one complete revolution around the sun. 365 ¼ days / 1 year
Tilt- 23.5 degrees Earth’s axis always points towards the North Star as Earth revolves around the sun. This means the direction of the tilt never changes.
Season Caused by the Earth's tilt as it revolves around the sun.
Solstice Summer and winter begin on these days
Summer Solstice The most hours of daylight occur on this day
Winter Solstice The least hours of daylight occur on this day
Equinox Fall and spring begin on these days. The hours of daylight and darkness are approximately equal on these days.
Created by: user-1713485
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