Organisation et transformations de la matière - 3e
Mesure du volume
Exercice 1 : Lecture de volume à l'aide d'une éprouvette graduée
Déterminer le volume de liquide se trouvant dans l'éprouvette graduée ci-dessous.
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On donnera la réponse suivie de l'unité qui convient.
Exercice 2 : Lecture de volume à l'aide d'une éprouvette graduée (avec précision)
Donner un encadrement du volume de liquide se trouvant dans l'éprouvette graduée ci-dessous.
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On donnera la réponse sous la forme \( a < V < b \) où a et b sont des valeurs numériques suivies des unités qui conviennent.
On utilisera bien la lettre V pour répresenter le volume de liquide.
Exercice 3 : Remettre dans l’ordre les étapes du protocole de mesure du volume d'un solide
On a listé dans le désordre les principales du protocole de mesure du volume d’un solide :
On écrira la réponse sous la forme \(A>B>C\)
- A. Mesurer un certain volume d’eau.
- B. Mesurer à nouveau le volume d’eau.
- C. En déduire le volume de l’objet par soustraction.
- D. Immerger totalement l’objet dont on veut mesurer le volume.
On écrira la réponse sous la forme \(A>B>C\)
Exercice 4 : Déterminer un encadrement du volume d'un volume d'un objet par immersion dans une éprouvette
On souhaite mesurer le volume d'un objet. Pour cela, on verse \( 14\:mL \) d'un liquide dans une éprouvette graduée, et on immerge l'objet dans ce liquide.
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Quel est le volume de l'objet ?
On donnera la réponse sous la forme \( a < V < b \) où a et b sont des valeurs numériques suivies des unités qui conviennent. On utilisera bien la lettre V pour répresenter le volume de liquide.
Exercice 5 : Mesure du volume d'un objet par immersion dans une éprouvette
On souhaite mesurer le volume d'un objet. Pour cela, on l'immerge dans un liquide dans une éprouvette graduée.
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Éprouvette graduée et volume initial
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Éprouvette graduée après immersion de l'objet, sans ajout
de liquide
Quel est le volume de l'objet ?