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Experiments Demonstrate Geothermal Heating Concepts

PPPDF0132

$4.95

A series of experiments conducted using an inexpensive teacher-built testing box demonstrate the basics of geothermal heating. This project appeared in the March 2012 issue of Tech Directions and has been reformatted for classroom use. It includes student work sheets, data collection tables, and graphs for studet use. Only $2.95.