Homi Bhabha Centre for Science Education, TIFR

Padalkar, S. & Ramadas, J. (2010). Designed and spontaneous gestures in elementary astronomy education. International Journal of Science Education. DOI: 10.1080/09500693.2010.520348

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Pedagogic Gestures

Holding or imagine to be holding a very small to a very large ball and observe the change in curvature on palm and then arm