Overview
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.

Skills

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

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

Time
One class period