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UN SUBMARÍ D'AIRE I ALTRES EXPERIMENTS
Mazon J.
L'experimentació és la base de la ciència, essencial per arribar a comprendre el perquè i el com passen les coses. La proposta d'experiments d'aquest llibre permeten iniciar-se en el món de l'experimentació científica en els camps de l'electricitat i magnetisme, l'aire, la densitat dels cossos, forces i pressions, i la calor. Cada experiment s'estructura d'una forma similar que respon a quatre preguntes: Què volem demostrar? Què necessitem? Com ho fem? Per què i què ha passat?, i requereixen material senzill i a l'abast de tothom.
