Tuesday, September 27, 2011

Rotations & Orbits

Rotations and Orbits
 Click on the link below. Do the math so you can see how long it takes the earth to revolve around the sun and the moon to revolve around the earth!


http://www.bbc.co.uk/schools/scienceclips/ages/9_10/earth_sun_moon_fs.shtml

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