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In this activity students will apply the concept of triangulation in a variety of problem solving situations involving the Aurora Borealis. They learn that before the advent of photography in the 1880's, auroral observers tried to determine the height of aurora by the method of triangulation and, from the geometry of the triangle, they estimated that aurora occurred between 650 to 1,000 km above the ground. Students will find answers to problems by substituting numerical values in simple algebraic formulas. As a result, they will understand that writing incorporates circle charts, bar charts, line graphs, tables, diagrams, and symbols, and that technology is essential to science for such purposes as access to outer space, sample collection, measurement, storage, and computation.
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