Thank you, parents, for letting your students raid your closet to get a roll of toilet paper. So what did we use it for anyway? We built a scale model of our solar system, of course! Using a 1 centimeter cube to represent the sun, we calculated, to scale, each planet's orbit of the sun, then measured and labeled them on the roll of toilet paper. It was fascinating to think that the earth would not even be the size of a pin prick on this model. Truly mind-boggling. For another thought-provoking view of making a scale model of the solar system, check out this video from NPR:
http://www.npr.org/sections/thetwo-way/2015/09/18/441400933/planets-transit-the-desert-in-7-mile-scale-model-of-the-solar-system
On a more local scale, check out our own scale models.
http://www.npr.org/sections/thetwo-way/2015/09/18/441400933/planets-transit-the-desert-in-7-mile-scale-model-of-the-solar-system
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