Questions pour un champion 6
Quiz
•
Science
•
11th Grade
•
Hard

Marc Nadim Zeenny
FREE Resource
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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La durée nécessaire à la désintégration radioactive de la moitié des noyaux radioactifs d’un échantillon dépend:
du volume de l’échantillon.
de la nature chimique des noyaux.
du nombre initial de noyaux.
de la température.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Les éléments chimiques se conservent lors de la transformation:
physique.
nucléaire.
chimique.
aucune des trois.
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La radioactivité concerne :
Des noyaux stables.
Des noyaux lourds.
Des molécules instables.
Autre.
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
L'intensité sonore :
s’exprime en dB.
rend compte des sensations auditives humaines.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Comment se nomme la partie de l'oreille humaine responsable de la réception des sons ?
La rétine.
Le tympan.
La cochlée.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
traduit l'équivalence entre masse et énergie.
définit la vitesse de la lumière.
définit l'énergie cinétique.
Autre.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
L'élément chimique le plus abondant sur Terre est :
l'hydrogène.
le carbone.
l'oxygène.
le silicium.
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