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)