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
Comment jouer ?
Equilibre la balance avec des masses de 1kg, 2kg et 5kg
Clique et déplace les masses sur le plateau droit de la balance.
Observe bien : tu as des masses de 1kg, de 2kg et de 5kg. Observe les changements de la balance lorsque tu déposes une masse sur la balance. Le plateau sur lequel tu poses la masse descend et l'aiguille se déplace vers ce plateau.
Si tu retires une masse du plateau, tu observes le mouvement inverse : le plateau remonte et l'aiguille se déplace vers le plateau avec la boîte.
Lorsqu'il y a la même masse sur les 2 plateaux de la balance, ils sont à la même hauteur et l'aiguille de la balance est au milieu.
Place suffisamment de masses sur le plateau droit pour obtenir cet équilibre.
Clique alors sur le garçon pour vérifier ta réponse.
Pédagogie
Mesures : pesées. Apprendre à utiliser une balance. Equilibrer la balance qui porte un objet de 4 à 9kg, avec des masses de 1kg, de 2kg et de 5kg. Le mouvement des plateaux et de l'aiguille permet de visualiser et de bien comprendre le fonctionnement de la balance.
Matériel Nécessaire
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