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Direct linkCamino, Nestor; Gangui, Alejandro – Physics Teacher, 2012
It is well known that the length and orientation of a shadow cast by a vertical gnomon depends on the time of the day and on the season of the year. But it also depends on the latitude of the site of observation. During the equinoxes, the temporal sequence of the shadows cast by each of the points that form any object follows a straight line from…
Descriptors: Science Education, Computation, Measurement, Constructivism (Learning)
