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This is a classic exercise for visualizing the scale of the Solar System.

In this activity, learners investigate the concepts of relative size and distance by creating a basic model of the solar system.

In this activity, learners plan and create a 24-foot long, two-dimensional model of our solar system, and compare and contrast the differences between planets and the sun.

In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete