This page last changed on Aug 24, 2007 by mateoaw.

Materials:

  • Soft globe
    Procedure:
  1. Have one member of your group throw the globe into the air and catch it.
  2. Note where your thumb lands on the globe. Is it water or land?
  3. Make a table for 100 observations and note whether your first observation is water or land.
  4. Repeat 100 times.
  5. What percent of your observations were water?
    What percent were land?
  6. How does that compare to the proportions of water and land distribution on the earth?
Document generated by Confluence on Jan 27, 2014 16:49