Questions
Comprendre
5. Comment appelle-t-on la plus petite particule d'eau ?
6. Cite l...
Questions
Comprendre
5. Comment appelle-t-on la plus petite particule d'eau ?
6. Cite les propriétés des molécules dans le modèle proposé.
7. Les molécules d'eau sont-elles différentes selon l'état physique de l'eau ?
8. Quelle est la différence entre un corps pur et un mélange à l'échelle moléculaire ?
Raisonner
9. Les molécules d'eau sont-elles visibles à l'oeil nu ? Justifie ta réponse.
atière.
Conclure
10. Comment modélise-t-on la matière ? Quelle est l'utilité d'un modèle ?
Chapitre 2. Décrire la constitution de la matière
31
Answers: 3
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