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Planet Motions

Basic Terms

TermDefinition
Rotation Earth rotating on it's axis
Revolution Earth orbiting around the sun.
Seasons Caused by Earth's Tilt
Night and Day Caused by Rotation
Year Caused by Revolution
Kepler's First Law of Motion Planets orbit the Sun in an ellipse
Ellipse Oval
Kepler's Second Law of Motion An object speeds up as it is closer to the sun, slow down when it is farther out
Kepler's Third Law of Motion The further an object is out in orbit, the longer it takes to orbit the sun.
Created by: tspence
Popular Earth Science sets

 

 



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