Download Earth and Sun - Crest Ridge R-VII

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Earth and Sun
Gravity-a force of attraction, or pull, between
any two objects.
Orbit-a path one object takes around another
objects.
Inertia-the tendency of a moving object to keep
moving in a straight line.
Revolution-one complete trip around the Sun.
Rotation-a complete spin on the axis.
Mass and distance-the strength of the pull of
gravity depends on this.