Démontrer la présence de la chlorophylle dans les plantes

La chaise qui tourne de plus en plus vite

La porosité des différents sols

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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

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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