All the measures must be synchronized at local solar noon
Toutes les mesures doivent être synchronisées au midi solaire local .
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Aim: Identify the shortest shadow and its direction towards the north (northern hemisphere) Observation Record the position of the shadow during the day Production Gif animated, slideshow or timelapse video Productions from previous years | 
Objectif: Identifier l'ombre la plus courte et sa direction vers le nord (hémisphère nord) Observation Enregistrer la position de l'ombre pendant la journée Production Gif animé, diaporama ou vidéo image par image (timelapse) Productions des années précédentes |
Aigio
Experimental activity in our school yard using the volleyball pole as a gnomon.
Students marked the shadows with a chalk during lesson breaks.
Discussion in classroom using geogebra by Romeo Sardu, Pogana Romania.
Students filled the poll.
More photos from the experimental activity
Shadows during the day. Image for the Poll.