La transformation de la matière par les êtres-vivants

6ème

Chapitre 2 : la transformation de la matière par les êtres-vivants Que devient toute la matière produite par les êtres-vivants ? I – Quels sont les composants du sol ? Observation des différentes couches du sol à l’aide d’une tarière Bilan : le sol est constitué de couches superposées de haut en bas : – La litière est le milieu

Lycée

Le sol : un patrimoine durable ?

Qu’est ce qu’un sol ? Comment se forme un sol ? Quels sont les différents types de sol ? Introduction : rappel cours de 6ème I – Qu’est ce qu’un sol ? TP 1 observation d’échantillons de différents sols ramenés par les élèves Le sol est la partie superficielle de la croûte terrestre. Le sol se découpe en couches appelées

Au jour le jour

Les 6èmes au bois de l’Etoile à Vitré

Observation de la litière et de l’humus par les 6èmes au bois de l’Etoile à Vitré. Les photos de la sortie : Plus d’informations sur le site de l’association Vitré Tuvalu Carte pour trouver le bois de l’Etoile

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