L'energie

Expérience : le cycle de l'eau

Suite de l'experience de l'absorption de l'eau par les cellules

Les sons

La porosité des différents sols

La chaise qui tourne de plus en plus vite

Comment les tissus des êtres vivants absorbent l'eau

Démontrer la présence de la chlorophylle dans les plantes

Expérience : mélanges homogène et héterogène

Expérience : la poussée d'Archimède

Expérience : identifier la composition du sol

Expérience : le papier reste sec

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