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Make Scale Models of The Planets
Grades 4-12, One to Two Days

planets.jpg - Archived Page

To show how the planets compare in size.

Students make two-dimensional models of each planet by cutting out different-sized paper circles according to a chart that shows the planets' actual and scaled diameters.

Key Concepts

  • The planets are much smaller than the sun.
  • The inner planets are much smaller than the outer planets, with the exception of Pluto.


  • Measuring
  • Creating scale models
  • Comparing and Contrasting planet sizes
  • Knowing the correct sequence of the planets

Paper, rulers, compasses or circle templates, "Size of Planet" chart, newspaper, tape or glue.

One class period

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