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A spinning motion is called a ______________.
Rotation
The Earth rotates on an imaginary line through its center called the _______________ ___________.
rotation axis
Earth rotates in a ________________________________ direction.
Counterclockwise
One complete rotation of Earth takes about 24 hours. This rotation helps produce Earth's cycle of _____________ and _____________.
day, night
The path that an object follows as it moves around another object is an ____________.
orbit
The Law of Universal Gravitation states that the pull of _______________ between two objects depends on the mass of the objects and the distance between them.
gravity
The ____________ of Earth's rotation axis is always in the same direction by the same amount.
tilt
