PYTHAGORAS AND PLATO

Aidé and Noelia have written an article about Pythagoras.


Selena and Irene have written about Plato and his works in Mathematics




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Ancient calendars

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The ancient Egyptian calendar The ancient Egyptians were the first civilization to create a calendar which organised the year into 365 days . This calendar is believed to date back to the 3 ͬ ͩ millennium BC. The year consisted of 12 months of 30 days each one plus five holy days. The months were divided into three weeks of ten days each. The Egyptian year was divided into three seasons of four months. These seasons were: The season of Akhet (Inundation) The season of Peret (Growth-Winter) The season of Shemu (Harvest-Summer)   The Egytian calendar was known to be imperfect as it was almost a quarter of a day shorter than the true solar year. Image representing the sky and the constellations The ancient Greek calendar The Greek calendar includes a variety of dating systems used by the several city-states in the time of classical Greece . There was no uniform calendar imposed upon all of the Hellenic territory. Each polis had i...
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Electricity Formulas

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Electricity is the flow of charge from anode to cathode in a conductor. This current provides power to the electrical devices. To understand how the electricity works we need to know the various parameters related to it and the relation between them. Quantity Symbol Unit Symbol Electrical potential, voltage V Volts v Electric Resistance R Ohms Ω Current I Amperes A Electrical energy E Jules J    (also Kwh) Electrical power P Watts W
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L'alimentation des adolescents

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L'ALIMENTATION DES ADOLESCENTS Afin qu’ils développent leur potentiel optimal, il est vital de fournir aux enfants une alimentation équilibrée. L’alimentation et l’exercice adoptés au cours de l’enfance et de l’adolescence peuvent faire la différence entre la santé et le risque de maladies plus tard dans la vie. Les différentes tranches d’âge demandent aussi des besoins nutritionnels particuliers. Quelles sont les recommandations nutritionnelles les plus importantes pour les adolescents ? Les besoins nutritionnels des adolescents sont d’abord conditionnés par le pic de croissance qui se produit à la puberté. Les besoins nutritionnels diffèrent selon les individus mais certains nutriments doivent cependant retenir plus d’attention, en particulier le fer et le calcium. Le fer:  Les adolescents augmentent leur volume sanguin et leur masse musculaire. Ceci accroît le besoin en fer pour construire l’hémoglobine, et la myoglobine.   L’une des recommandat...
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