Science Friction

Jill L.
6 words 5 learners

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Full list of words from this list:

words only definitions & notes
  1. runner
    someone who travels on foot by running
    To move fast, there must be as little friction as possible between the runners of the bobsled and the ice.
  2. polish
    make (a surface) shine
    Athletes keep the runners polished to reduce friction.
  3. athlete
    a person trained to compete in sports
    Athletes keep the runners polished to reduce friction.
  4. slippery
    causing or tending to cause things to slip or slide
    Ice is slippery, which is why a bobsled can move so quickly on it.
  5. polished
    perfected or made shiny and smooth
    Athletes keep the runners polished to reduce friction.
  6. reduce
    make smaller
    Athletes keep the runners polished to reduce friction.
Created on Thu Jun 16 15:06:35 EDT 2011 (updated Thu Jun 16 15:14:02 EDT 2011)

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