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In this activity, students identify spirals and other shapes present in nature and discuss at what sizes or scales these shapes exist. Examples include a hurricane, foraminifera, nautilus, and a galaxy. They will discuss the differences and similarities of each of these spirals and investigate the powers of ten that identify the scales at which these different examples exist.
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Most orbiting bodies follow a path that is an ellipse. In this activity, students construct 2 ellipses, and examine and measure them to determine some of their fundamental properties. The exercise helps learners make comparisons to planetary orbit eccentricities, and includes guidelines for constructing a scale model of Haley's comet.
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