Earth, Earth’s Moon, Mars Balloons

Very specific diameters are given for blowing up three different balloons to represent, in scale, the moon, Earth, and Mars. In groups of three, amateur astronomers explore scale measurements and distance in space.

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Pros

  • Cooperative learning makes content more memorable 
  • Comes with lesson plan versions for grades K-4, 5, and middle school
  • Worksheets provided
Cons

  • An unusual approach in that it focuses on the moon-Earth-Mars system