Elementary plane geometry

Ionasc Daniela

We aim to find out where the error lies in placing geometry elements.

Two figures are composed of the same polygons but in another order.read more

Language: 
English
Age range: 
10-12
Kristina Angenendt

Der griechische Mathematiker Eratosthenes (276 BC-194 BC) führte ein Experiment durch, um die... read more

Language: 
German
Age range: 
10-12, 12-14, 14-16

Tool to practice with vector additionRead more

Lab owner: 
Denis Gillet
Language: 
English
Age range: 
12-14, 14-16, 16-18, >18
Chrystalla Lymbouridou, Soeren Werneburg, Daniela Leone, Julieta Jimenez

A Greek mathematician, Eratosthenes (276 BC-194 BC) used an experiment to enable him to prove the sphericity of the Earth and to measure its circumference. He used sun and shadows for his... read more

Language: 
English
Age range: 
10-12, 12-14, 14-16

It's possible to set the sun to different positions. So you can measure the length of shadows and can describe the same ratios.Read more

Lab owner: 
Soeren Werneburg
Language: 
English, German, French, Italian, Spanish, Greek, Danish, Dutch, Arabic, Bosnian, Bulgarian, Catalan, Chinese, Croatian, Czech, Estonian, Finnish, Hungarian, Latvian, Lithuanian, Luxembourgeois, Northern Sami, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Serbo Croatian, Slovak, Slovene, Swedish, Turkish, Ukrainian
Age range: 
10-12, 12-14, 14-16
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