Expérience : identifier la composition du sol

La chaise qui tourne de plus en plus vite

La porosité des différents sols

Les sons

Expérience : le cycle de l'eau

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

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 : le papier reste sec

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