Revolution and Rotation


earth_revolution.gifRevolution or Rotation?earth_rotation.jpgWhat's the difference?The Earth rotates on its own axis and revolves around the sun. What's the difference?Rotation is when a body spins on its axis (an imaginary line that runs through the center). The Earth rotates on its axis once every 24 hours. The rotation of the Earth is what causes day and night.Learn more about rotation. Be sure to click the 'play' and 'view' buttons.Revolution is when a body orbits around another body. The Earth revolves around the sun. It takes 365.25 days, or one common year, for the Earth to complete one revolution. All of the other planets in the solar system revolve around the sun, too. The revolution of the Earth around the sun, and the tilt of the Earth on its axis, are what cause seasons on the Earth (winter, spring, summer and fall).Learn more about revolution. Be sure to click the 'play' and 'view' buttons.
Revolution or rotation? Read about revolution and rotation. Read carefully and ask yourself, what is the difference?


Watch this video about revolution and rotation.
Watch the Earth go through one year of rotations and revolutions.