The R Value of Insulation

As Junior Girl Scout Troop 4140 continues to press on with the Get Moving Energy Journey, the scouts learn the value of good insulation in homes and buildings. The troop had the opportunity to see four different types of common insulation and test their knowledge of R Value. The results surprised the girls as they learned appearance does not always reveal which insulation will be most energy efficient.

After examining insulation in buildings, they focused on every day types of insulation such as wool, aluminum foil, cotton, and plastic. Following their predictions on which material would be the most energy efficient, the scouts took turns taking the temperature of the water inside the experiment jars. As most scouts predicted, the wool worked best followed by the aluminum foil - it turns out these girls can't be fooled by appearances anymore.

The skills the girls learned in this activity are just a fractional of the material in the overall journey that will teach them how to live more energy efficient lives. This Friday, troop 4140 will go on a tour of their school, Keet Gooshi Heen Elementary, led by a member of the maintenance staff to learn the ins and outs of the energy in the building. Proceeding the tour, the girls will make a list of recommendations to the school board regarding potential upgrades that could make the school more energy efficient based on the things they have learned during the journey.

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