Learning About Metric Measures (1970)

Jim is working on a school project to create a scale model of the Earth and the Sun, using a scale where 1/8 inch represents 1,000 miles. He struggles with converting large distances, like 93 million miles, into this scale. His father suggests using a meter stick, which is part of the metric system. Jim learns about the metric units: meter, decimeter, centimeter, and millimeter, and how they relate to each other. He decides to use a new scale where 1 mm represents 1,000 miles. Consequently, the model Earth will be 8 mm in diameter, the model Sun 864 mm, and the distance between them 93 m. Jim successfully constructs his model using metric units, finding it easier to represent large distances this way.

**Keywords:** Jim, school project, scale model, Earth, Sun, metric system, meter stick, units, decimeter, centimeter, millimeter, scale, distances, model construction.

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