What is an “Equinox”?

 Objective: Determine what is meant by the term “Equinox”.

 Materials: September Equinox Data Table

 Procedure:

  1. Around the whole world, September 22nd is considered the equinox. The Latin word “aequus” means equal or same. Look over the various categories in your September Equinox Data Table.   What category is nearly equal for every location?
  2. Place the data in that category in order from smallest to greatest.  Determine the approximate middle point (median) of the data set.
  3. Consider the length of a day on earth.  Now draw a pie graph that shows what the above number means.

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