those near the Poles.
2. Earth's Rotation on its Axis
The Earth rotates or goes around just
like a 'top' spins. What does it go around?
It actually rotates around an imaginary line
which joins the North Pole and the South
Pole. This line is called the Axis of the
Earth's rotation. All parts of the earth go
around this line once a day. In other words,
the Earth takes about 24 hours to rotate or
go around its own axis. It moves from the
west to the east - if a globe is facing you it
rotates from your left to the right side. You
can see that the Western portion moves
towards the east.
Answers
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Imagine a line passing through the center of Earth that goes through both the North Pole and the South Pole. This imaginary line is called an axis. Earth spins around its axis, just as a top spins around its spindle. This spinning movement is called Earth's rotation. This movement is called revolution.
Each planet rotates, or spins, on its axis. The rotation of the Earth on its axis causes day and night. Because of this direction of rotation, we see the sun rising every day in the east and setting in the west. If a planet spins in a clockwise direction, it is said to have a retrograde rotation.
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