set your experimental device,

improve the accuracy of your measure

understand the geometric calculation

régler le dispositif expérimental     

améliorer la précision de la mesure     

comprendre le calcul géométrique

Six experimental activities

Parallelism of solar rays

Solar noon  

Curve of the Earth 

Angle of the sun    

Alternate interior angles  

Verticality Horizontality

Live event presented by Madalina Neagoe (Azuga) The students from 5 countries (Romania, France, Moldova, Turkey and Albania) participated to a Kahoot game

Presentation of the Eratosthenes experiment - Students write about it.