The National Earth Science Teachers Association has been asked by the National Optical Astronomy Observatories to distribute up to 4,000 Galileoscopes (hereafter GS). One possibility for MLC is to be a provider of initial workshops to create a cadre of "master teachers" who in turn could provide other teachers with PD on the use of the GS. The idea is to eventually get class sets of GS into the hands of up to 250 teachers. It is important that the PD be at least an hour and that they…See More