NASA - National Aeronautics and Space Administration

The pole that marks the South Pole moves about 15 feet every year with the ice, so the marker has to be moved every year. Image Credit: NASA

      the southern and northern points of Earth's axis

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Sentences:
Some NASA scientists work at the South Pole.

Many students think that the South Pole is warm, but it is very, very cold..

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More Information:
http://www.nasa.gov/audience/forstudents/k-4/home/F_Chills_and_Thrills_of_Ice_K-4.html