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Gr 6 Science Midterm

Grade 6 Science Midterm Study Guide - Define

TermDefinition
astronomical unit the distance between the earth and the sun
ellipse asymmetrically shaved oval
revolution a single orbit around the sun or another heavenly body
gravity the force of attraction that exists between any two objects
foci two special points inside an ellipse
solar system the sun and all the heavenly bodies that orbit it
meteor a meteoroid that enters the earth's atmosphere
planets wanderers
a period the amount of time it takes a comet to complete an orbit
solar year the length of the earth's revolution around the sun
Kuiper belt a belt of small, icy objects resembling comet nuclei that orbit farther from the sun than the planet Neptune
new moon the beginning of the new month when the sunlit side of the moon is turned away from Earth and completely hidden from view
full moon the phase of the moon when we see the entire sunlit side
comet an asteroid-sized object that develops a huge, bright tail when it comes near the sun; means "long-haired star"
rotation the spinning of the Earth or other object
Created by: mbrennan262