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14 terms

Science moon flashcards

STUDY
PLAY
Astronomy
The study is the moon, stars, and other objects in space
2 ways earth move through space
Rotation and revolution
Axis
The imaginary line that passes through Earth's center and the north and south poles
rotation
The spinning of earth in its Axis
Revolution
The movement of one object around another
Orbit
the path that earth follows
Earth has seasons because
its axis is tilted as it revolves around the sun
Solstice
When the sun reaches its greatest distance north or south of the Equator
Equinox
Niether hemisphere is tilted toward or away from the sun. (Equal day,equal night)
Force
A push or pull
gravity
attracts all objects toward each other
law of universal gravitation
states that every object in the universe attracts every other object
Mass
the amount of matter in an object
Weight
the force of gravity against an object