Classroom experiments and activities

Gnomon

  Gnomon, or a Sun Dial. Great instrument to find North-South direction, longitude, lattitude... 

Gnomon (Kinga Janusz, Special School No 3, Cracow, Poland)
	Gnomon, or Sun Dial. Together with a webcam can help pupils to learn basics of navigation.  .ppt presentation, compressed (.zip) with .avi files  (62.30 MB)

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