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5e cycle eau

cycle de l'eau ; changement d'état ; caractéristiques des états

Les 3 états physiques de la matière Solide ; Liquide ; Gazeux
Fusion Quand ça fond c'est la fusion Passage de l'état solide à liquide
Solidification Passage de l'état liquide à solide
Vaporisation Passage de l'état liquide à gazeux
Liquéfaction Passage de l'état gazeux à liquide
Etat solide (2 caractéristiques) A une forme propre Peut être saisi entre les doigts (état ?)
Etat liquide (2 caractéristiques) Prend la forme du récipient Surface libre plane et horizontale (état ?)
Etat gazeux (2 caractéristiques) Prend tout l'espace disponible Compressible et expansible (état ?)
Eau (Températures de changement d'état ?) Bout à 100°C Fond à 0°C (matière ?)
Identifier la présence d'eau (test ?) Le sulfate de cuivre anhydre (blanc) devient bleu (permet d' ?)
Created by: eraxit



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