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électormagnétisme

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Qu'est-ce que les forces d'attraction et de répulsion?   Ce sont les forces magnétiques qui attirent ou qui repoussent certains matériaux à distance  
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Qu'est-ce qui compose les substances magnétiques?   Un élément ferromagnétique comme le fer, le cobalt, le nickel ou le gadolinium  
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Qu'est-ce qu'une boussole?   Un insturment de navigation qui permet également de s'orienter grâce au champ magnétique terrestre et qui permet également de connaître la nature  
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Created by: pinez
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