Rotate
Flash animation of Earth rotating

Earth takes about 24 hours to rotate on its axis, which is why a day is 24 hours long. Image Credit: NASA

      to turn around in a circle; to spin



Sentences:
Earth rotates on its axis once a day.

The second hand on the clock rotates faster than the other hands.



More Information:
http://apod.nasa.gov/apod/ap070312.html   →