{"id":956,"date":"2026-09-05T08:11:27","date_gmt":"2026-09-05T08:11:27","guid":{"rendered":"https:\/\/maroczain.com\/scolaire.maroczain.com\/?page_id=956"},"modified":"2026-09-05T08:49:59","modified_gmt":"2026-09-05T08:49:59","slug":"physique-chimie-au-college","status":"publish","type":"page","link":"https:\/\/maroczain.com\/scolaire.maroczain.com\/physique-chimie-au-college\/","title":{"rendered":"Physique &#8211; Chimie au coll\u00e8ge"},"content":{"rendered":"\n<div id=\"mza-physique-college\">\n\n<style>\n#mza-physique-college,\n#mza-physique-college *{box-sizing:border-box}\n\n#mza-physique-college{\n width:100%;max-width:1400px;margin:auto;padding:30px 20px 60px;\n font-family:Arial,Helvetica,sans-serif;color:#14213d;line-height:1.65\n}\n#mza-physique-college a{text-decoration:none}\n\n#mza-physique-college .hero{\n background:linear-gradient(135deg,#102a43,#0f766e);\n color:#fff;padding:45px 35px;border-radius:24px;margin-bottom:30px\n}\n#mza-physique-college .back{\n 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scroll-margin-top:80px\n}\n#mza-pc-title{font-size:25px;font-weight:900}\n#mza-pc-counter{font-size:14px;color:#667085;margin-top:5px}\n#mza-pc-progress{\n height:10px;background:#e5e7eb;border-radius:50px;\n overflow:hidden;margin:18px 0 25px\n}\n#mza-pc-progress-bar{\n height:100%;width:0;background:#173b63;transition:.3s\n}\n#mza-pc-question{font-size:22px;font-weight:800;margin-bottom:20px}\n#mza-pc-answers{display:grid;gap:12px}\n#mza-pc-answers button{\n width:100%;text-align:left;padding:15px;border:1px solid #cfd8e3;\n border-radius:11px;background:#f8fafc;cursor:pointer;font-size:16px\n}\n#mza-pc-answers button:hover{background:#eef4fa}\n#mza-pc-answers button.selected{\n border:2px solid #173b63;background:#e9f2fa\n}\n#mza-pc-actions{\n display:flex;justify-content:space-between;gap:12px;\n flex-wrap:wrap;margin-top:25px\n}\n#mza-pc-actions button{\n border:0;padding:13px 20px;border-radius:10px;font-weight:900;cursor:pointer\n}\n#mza-pc-next{background:#173b63;color:#fff}\n#mza-pc-close,#mza-pc-result-close{background:#e5e7eb;color:#111827}\n#mza-pc-result{display:none;text-align:center;padding:25px}\n#mza-pc-score{font-size:42px;font-weight:900;margin:15px}\n#mza-pc-restart{background:#16794b;color:#fff}\n\n#mza-pc-footer{\n text-align:center;color:#667085;margin-top:45px\n}\n\n@media(max-width:900px){\n #mza-physique-college .nav-grid,\n #mza-physique-college .cards,\n #mza-physique-college .programme{\n  grid-template-columns:1fr\n }\n #mza-physique-college h1{font-size:32px}\n #mza-physique-college .hero{padding:30px 22px}\n}\n<\/style>\n\n<!-- HERO -->\n<section class=\"hero\">\n\n<a class=\"back\" href=\"https:\/\/maroczain.com\/scolaire.maroczain.com\/college\/\">\n\u2190 Retour au Coll\u00e8ge\n<\/a>\n\n<div class=\"brand\">\nMAROC ZAIN ACADEMY \u2022 MZA LEARNING\n<\/div>\n\n<h1>\u269b\ufe0f Physique-Chimie \u2014 Coll\u00e8ge<\/h1>\n\n<p>\nComprendre les ph\u00e9nom\u00e8nes physiques et chimiques gr\u00e2ce \u00e0 des cours,\nexp\u00e9riences, exercices, QCM et examens progressifs de la 1AC \u00e0 la 3AC.\n<\/p>\n\n<\/section>\n\n<!-- NIVEAUX -->\n<div class=\"nav-grid\">\n<a class=\"nav-btn\" href=\"#pc-niveau1\">\ud83d\udcd8 1AC<\/a>\n<a class=\"nav-btn\" href=\"#pc-niveau2\">\ud83d\udcd7 2AC<\/a>\n<a class=\"nav-btn\" href=\"#pc-niveau3\">\ud83d\udcd5 3AC<\/a>\n<\/div>\n\n<!-- COURS -->\n<section class=\"section\">\n\n<h2>\ud83d\udcda Cours de Physique-Chimie<\/h2>\n\n<p>\nMati\u00e8re, \u00e9nergie, \u00e9lectricit\u00e9, lumi\u00e8re, forces, mouvement\net transformations chimiques.\n<\/p>\n\n<div class=\"subnav\">\n<a href=\"#pc-cours1\">Cours 1AC<\/a>\n<a href=\"#pc-cours2\">Cours 2AC<\/a>\n<a href=\"#pc-cours3\">Cours 3AC<\/a>\n<a href=\"#pc-qcm1\">QCM 1AC<\/a>\n<a href=\"#pc-qcm2\">QCM 2AC<\/a>\n<a href=\"#pc-qcm3\">QCM 3AC<\/a>\n<\/div>\n\n<\/section>\n\n<!-- 1AC -->\n<section class=\"section\" id=\"pc-cours1\">\n\n<h2>\ud83d\udcd8 Physique-Chimie \u2014 1AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>\u00c9tats de la mati\u00e8re<\/h3>\n<p>Solide, liquide, gaz et changements d&#8217;\u00e9tat.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Masse et volume<\/h3>\n<p>Mesurer et comparer masse, volume et capacit\u00e9.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>M\u00e9langes<\/h3>\n<p>M\u00e9langes homog\u00e8nes, h\u00e9t\u00e9rog\u00e8nes et s\u00e9paration.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9lectricit\u00e9<\/h3>\n<p>Circuit simple, g\u00e9n\u00e9rateur, lampe et interrupteur.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Lumi\u00e8re<\/h3>\n<p>Sources lumineuses, propagation et ombres.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Exp\u00e9riences<\/h3>\n<p>Observer, mesurer et interpr\u00e9ter des ph\u00e9nom\u00e8nes simples.<\/p>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- 2AC -->\n<section class=\"section\" id=\"pc-cours2\">\n\n<h2>\ud83d\udcd7 Physique-Chimie \u2014 2AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>Pression<\/h3>\n<p>Pression des gaz et des liquides.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9lectricit\u00e9<\/h3>\n<p>Intensit\u00e9, tension et circuits \u00e9lectriques.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Optique<\/h3>\n<p>Propagation, r\u00e9flexion et propri\u00e9t\u00e9s de la lumi\u00e8re.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Transformations chimiques<\/h3>\n<p>R\u00e9actifs, produits et conservation de la mati\u00e8re.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Combustion<\/h3>\n<p>Combustibles, dioxyg\u00e8ne et produits de combustion.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>S\u00e9curit\u00e9<\/h3>\n<p>Risques \u00e9lectriques et manipulation des substances.<\/p>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- 3AC -->\n<section class=\"section\" id=\"pc-cours3\">\n\n<h2>\ud83d\udcd5 Physique-Chimie \u2014 3AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>Mouvement<\/h3>\n<p>Trajectoire, vitesse et mouvement uniforme.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Forces<\/h3>\n<p>Actions m\u00e9caniques, poids et \u00e9quilibre.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9lectricit\u00e9<\/h3>\n<p>Puissance, \u00e9nergie \u00e9lectrique et consommation.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Chimie<\/h3>\n<p>Atomes, mol\u00e9cules et transformations chimiques.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>R\u00e9actions<\/h3>\n<p>\u00c9quations chimiques et conservation des \u00e9l\u00e9ments.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9nergie<\/h3>\n<p>Formes, transferts et conversions d&#8217;\u00e9nergie.<\/p>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- QCM 1AC -->\n<section class=\"section\" id=\"pc-qcm1\">\n\n<h2>\u2705 QCM Physique-Chimie \u2014 1AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>Mati\u00e8re<\/h3>\n<p>\u00c9tats, masse, volume et changements d&#8217;\u00e9tat.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"1ac-matiere\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9lectricit\u00e9<\/h3>\n<p>Circuits \u00e9lectriques simples.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"1ac-electricite\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>Lumi\u00e8re<\/h3>\n<p>Sources et propagation lumineuse.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"1ac-lumiere\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- QCM 2AC -->\n<section class=\"section\" id=\"pc-qcm2\">\n\n<h2>\u2705 QCM Physique-Chimie \u2014 2AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>\u00c9lectricit\u00e9<\/h3>\n<p>Intensit\u00e9, tension et circuits.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"2ac-electricite\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>Chimie<\/h3>\n<p>R\u00e9actifs, produits et transformations.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"2ac-chimie\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>Combustion<\/h3>\n<p>Combustibles, dioxyg\u00e8ne et s\u00e9curit\u00e9.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"2ac-combustion\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- QCM 3AC -->\n<section class=\"section\" id=\"pc-qcm3\">\n\n<h2>\u2705 QCM Physique-Chimie \u2014 3AC<\/h2>\n\n<div class=\"cards\">\n\n<div class=\"card\">\n<h3>Mouvement<\/h3>\n<p>Trajectoire, distance, dur\u00e9e et vitesse.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"3ac-mouvement\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>Forces<\/h3>\n<p>Poids et actions m\u00e9caniques.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"3ac-forces\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<div class=\"card\">\n<h3>\u00c9nergie<\/h3>\n<p>Puissance et \u00e9nergie \u00e9lectrique.<\/p>\n<button type=\"button\" class=\"launch\" data-quiz=\"3ac-energie\">\nLancer le QCM \u2192\n<\/button>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- EXAMEN -->\n<section class=\"section\">\n\n<h2>\ud83c\udf93 Examen blanc de Physique-Chimie<\/h2>\n\n<p>\n\u00c9valuation g\u00e9n\u00e9rale combinant mati\u00e8re, \u00e9lectricit\u00e9,\nchimie, mouvement, forces et \u00e9nergie.\n<\/p>\n\n<button type=\"button\" class=\"launch\" data-quiz=\"exam\">\nCommencer l&#8217;examen blanc \u2192\n<\/button>\n\n<\/section>\n\n<!-- MOTEUR -->\n<section id=\"mza-pc-quiz\">\n\n<div id=\"mza-pc-content\">\n\n<div id=\"mza-pc-title\"><\/div>\n<div id=\"mza-pc-counter\"><\/div>\n\n<div id=\"mza-pc-progress\">\n<div id=\"mza-pc-progress-bar\"><\/div>\n<\/div>\n\n<div id=\"mza-pc-question\"><\/div>\n<div id=\"mza-pc-answers\"><\/div>\n\n<div id=\"mza-pc-actions\">\n<button type=\"button\" id=\"mza-pc-close\">Fermer<\/button>\n<button type=\"button\" id=\"mza-pc-next\">Question suivante \u2192<\/button>\n<\/div>\n\n<\/div>\n\n<div id=\"mza-pc-result\">\n\n<h2>\ud83c\udf93 R\u00e9sultat<\/h2>\n\n<div id=\"mza-pc-score\"><\/div>\n\n<p id=\"mza-pc-message\"><\/p>\n\n<div id=\"mza-pc-actions\">\n<button type=\"button\" id=\"mza-pc-restart\">Recommencer<\/button>\n<button type=\"button\" id=\"mza-pc-result-close\">Retour aux QCM<\/button>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<!-- PROGRAMMES -->\n<section class=\"section\">\n\n<h2>\ud83d\udcda Programme par niveau<\/h2>\n\n<div class=\"programme\">\n\n<div class=\"programme-box\" id=\"pc-niveau1\">\n<h3>\ud83d\udcd8 1AC<\/h3>\n<ul>\n<li>\u00c9tats de la mati\u00e8re<\/li>\n<li>Changements d&#8217;\u00e9tat<\/li>\n<li>Masse<\/li>\n<li>Volume<\/li>\n<li>M\u00e9langes<\/li>\n<li>Circuits \u00e9lectriques<\/li>\n<li>Sources lumineuses<\/li>\n<li>Propagation de la lumi\u00e8re<\/li>\n<li>Mesures exp\u00e9rimentales<\/li>\n<\/ul>\n<a class=\"mini-btn\" href=\"#pc-qcm1\">Faire les QCM 1AC \u2192<\/a>\n<\/div>\n\n<div class=\"programme-box\" id=\"pc-niveau2\">\n<h3>\ud83d\udcd7 2AC<\/h3>\n<ul>\n<li>Pression<\/li>\n<li>Intensit\u00e9 \u00e9lectrique<\/li>\n<li>Tension \u00e9lectrique<\/li>\n<li>Circuits<\/li>\n<li>R\u00e9flexion lumineuse<\/li>\n<li>Transformations chimiques<\/li>\n<li>Combustions<\/li>\n<li>S\u00e9curit\u00e9<\/li>\n<li>Exp\u00e9rimentation<\/li>\n<\/ul>\n<a class=\"mini-btn\" href=\"#pc-qcm2\">Faire les QCM 2AC \u2192<\/a>\n<\/div>\n\n<div class=\"programme-box\" id=\"pc-niveau3\">\n<h3>\ud83d\udcd5 3AC<\/h3>\n<ul>\n<li>Mouvement<\/li>\n<li>Vitesse<\/li>\n<li>Forces<\/li>\n<li>Poids<\/li>\n<li>Puissance \u00e9lectrique<\/li>\n<li>\u00c9nergie \u00e9lectrique<\/li>\n<li>Atomes et mol\u00e9cules<\/li>\n<li>R\u00e9actions chimiques<\/li>\n<li>Conservation des \u00e9l\u00e9ments<\/li>\n<\/ul>\n<a class=\"mini-btn\" href=\"#pc-qcm3\">Faire les QCM 3AC \u2192<\/a>\n<\/div>\n\n<\/div>\n\n<\/section>\n\n<div id=\"mza-pc-footer\">\n\u00a9 2026 Maroc Zain Academy \u2022 MZA Learning\n<\/div>\n\n<script>\n(function(){\n\nconst BANK={\n\n\"1ac-matiere\":{\n title:\"1AC \u2014 Mati\u00e8re\",\n questions:[\n  {\n   q:\"L'eau \u00e0 temp\u00e9rature ambiante est g\u00e9n\u00e9ralement \u00e0 l'\u00e9tat :\",\n   a:[\"solide\",\"liquide\",\"gazeux\",\"plasma\"],\n   c:1\n  },\n  {\n   q:\"Le passage de l'\u00e9tat liquide \u00e0 l'\u00e9tat solide s'appelle :\",\n   a:[\"fusion\",\"solidification\",\"vaporisation\",\"condensation\"],\n   c:1\n  },\n  {\n   q:\"L'unit\u00e9 courante de masse est :\",\n   a:[\"litre\",\"kilogramme\",\"m\u00e8tre\",\"seconde\"],\n   c:1\n  },\n  {\n   q:\"Quel instrument peut mesurer un volume de liquide ?\",\n   a:[\"balance\",\"\u00e9prouvette gradu\u00e9e\",\"thermom\u00e8tre\",\"chronom\u00e8tre\"],\n   c:1\n  },\n  {\n   q:\"La glace qui fond subit :\",\n   a:[\"une fusion\",\"une combustion\",\"une condensation\",\"une solidification\"],\n   c:0\n  }\n ]\n},\n\n\"1ac-electricite\":{\n title:\"1AC \u2014 \u00c9lectricit\u00e9\",\n questions:[\n  {\n   q:\"Pour qu'une lampe s'allume, le circuit doit \u00eatre :\",\n   a:[\"ouvert\",\"ferm\u00e9\",\"cass\u00e9\",\"sans g\u00e9n\u00e9rateur\"],\n   c:1\n  },\n  {\n   q:\"Une pile est :\",\n   a:[\"un r\u00e9cepteur\",\"un g\u00e9n\u00e9rateur\",\"un interrupteur\",\"un isolant\"],\n   c:1\n  },\n  {\n   q:\"Un interrupteur ouvert :\",\n   a:[\"permet le passage du courant\",\"emp\u00eache le passage du courant\",\"augmente la lumi\u00e8re\",\"produit du courant\"],\n   c:1\n  },\n  {\n   q:\"Quel mat\u00e9riau conduit g\u00e9n\u00e9ralement l'\u00e9lectricit\u00e9 ?\",\n   a:[\"plastique\",\"cuivre\",\"verre\",\"bois sec\"],\n   c:1\n  },\n  {\n   q:\"Une lampe est dans un circuit \u00e9lectrique un :\",\n   a:[\"g\u00e9n\u00e9rateur\",\"r\u00e9cepteur\",\"interrupteur\",\"fil conducteur uniquement\"],\n   c:1\n  }\n ]\n},\n\n\"1ac-lumiere\":{\n title:\"1AC \u2014 Lumi\u00e8re\",\n questions:[\n  {\n   q:\"Le Soleil est :\",\n   a:[\"une source primaire de lumi\u00e8re\",\"un objet toujours opaque\",\"une lentille\",\"un miroir\"],\n   c:0\n  },\n  {\n   q:\"Dans un milieu homog\u00e8ne transparent, la lumi\u00e8re se propage :\",\n   a:[\"en ligne droite\",\"en cercle\",\"au hasard\",\"uniquement vers le haut\"],\n   c:0\n  },\n  {\n   q:\"Un objet qui ne laisse pas passer la lumi\u00e8re est :\",\n   a:[\"transparent\",\"opaque\",\"translucide\",\"lumineux\"],\n   c:1\n  },\n  {\n   q:\"Une ombre appara\u00eet lorsqu'un objet :\",\n   a:[\"laisse tout passer\",\"bloque la lumi\u00e8re\",\"produit toujours de la lumi\u00e8re\",\"est transparent\"],\n   c:1\n  },\n  {\n   q:\"La Lune est visible principalement parce qu'elle :\",\n   a:[\"produit sa propre lumi\u00e8re comme le Soleil\",\"r\u00e9fl\u00e9chit la lumi\u00e8re du Soleil\",\"est un laser\",\"est transparente\"],\n   c:1\n  }\n ]\n},\n\n\"2ac-electricite\":{\n title:\"2AC \u2014 \u00c9lectricit\u00e9\",\n questions:[\n  {\n   q:\"L'intensit\u00e9 du courant se mesure avec :\",\n   a:[\"un voltm\u00e8tre\",\"un amp\u00e8rem\u00e8tre\",\"une balance\",\"un thermom\u00e8tre\"],\n   c:1\n  },\n  {\n   q:\"L'unit\u00e9 de l'intensit\u00e9 est :\",\n   a:[\"volt\",\"amp\u00e8re\",\"watt\",\"joule\"],\n   c:1\n  },\n  {\n   q:\"La tension \u00e9lectrique se mesure en :\",\n   a:[\"amp\u00e8res\",\"volts\",\"joules\",\"kilogrammes\"],\n   c:1\n  },\n  {\n   q:\"Un voltm\u00e8tre se branche g\u00e9n\u00e9ralement :\",\n   a:[\"en d\u00e9rivation\",\"en s\u00e9rie uniquement\",\"sans fil\",\"\u00e0 la place du g\u00e9n\u00e9rateur\"],\n   c:0\n  },\n  {\n   q:\"Un amp\u00e8rem\u00e8tre se place g\u00e9n\u00e9ralement :\",\n   a:[\"en s\u00e9rie\",\"en parall\u00e8le obligatoire\",\"hors circuit\",\"sur une table\"],\n   c:0\n  }\n ]\n},\n\n\"2ac-chimie\":{\n title:\"2AC \u2014 Transformations chimiques\",\n questions:[\n  {\n   q:\"Les substances pr\u00e9sentes au d\u00e9but d'une r\u00e9action sont les :\",\n   a:[\"produits\",\"r\u00e9actifs\",\"r\u00e9sidus uniquement\",\"catalyseurs obligatoires\"],\n   c:1\n  },\n  {\n   q:\"Les substances form\u00e9es \u00e0 la fin sont les :\",\n   a:[\"r\u00e9actifs\",\"produits\",\"atomes initiaux uniquement\",\"instruments\"],\n   c:1\n  },\n  {\n   q:\"Lors d'une transformation chimique :\",\n   a:[\"de nouvelles substances peuvent se former\",\"la mati\u00e8re dispara\u00eet enti\u00e8rement\",\"aucune substance ne change\",\"la masse devient toujours nulle\"],\n   c:0\n  },\n  {\n   q:\"La conservation de la masse signifie que :\",\n   a:[\"la masse totale reste constante dans un syst\u00e8me ferm\u00e9\",\"la masse augmente toujours\",\"la masse dispara\u00eet\",\"les produits n'ont pas de masse\"],\n   c:0\n  },\n  {\n   q:\"Un changement chimique est diff\u00e9rent d'un changement physique car :\",\n   a:[\"il forme de nouvelles substances\",\"il ne modifie jamais rien\",\"il change seulement la forme\",\"il est toujours r\u00e9versible\"],\n   c:0\n  }\n ]\n},\n\n\"2ac-combustion\":{\n title:\"2AC \u2014 Combustion\",\n questions:[\n  {\n   q:\"Une combustion n\u00e9cessite g\u00e9n\u00e9ralement :\",\n   a:[\"un combustible et du dioxyg\u00e8ne\",\"uniquement de l'eau\",\"uniquement du dioxyde de carbone\",\"un m\u00e9tal seulement\"],\n   c:0\n  },\n  {\n   q:\"Le dioxyg\u00e8ne est :\",\n   a:[\"un combustible\",\"un comburant\",\"toujours un produit\",\"un m\u00e9tal\"],\n   c:1\n  },\n  {\n   q:\"Lors de la combustion du carbone dans le dioxyg\u00e8ne, on forme principalement :\",\n   a:[\"dioxyde de carbone\",\"hydrog\u00e8ne\",\"azote\",\"fer\"],\n   c:0\n  },\n  {\n   q:\"Une combustion incompl\u00e8te peut produire :\",\n   a:[\"du monoxyde de carbone\",\"uniquement de l'eau pure\",\"de l'or\",\"du sodium\"],\n   c:0\n  },\n  {\n   q:\"Le monoxyde de carbone est :\",\n   a:[\"inoffensif\",\"toxique\",\"toujours visible\",\"un liquide\"],\n   c:1\n  }\n ]\n},\n\n\"3ac-mouvement\":{\n title:\"3AC \u2014 Mouvement\",\n questions:[\n  {\n   q:\"La vitesse moyenne est calcul\u00e9e par :\",\n   a:[\"distance \u00d7 dur\u00e9e\",\"distance \/ dur\u00e9e\",\"dur\u00e9e \/ distance\",\"distance + dur\u00e9e\"],\n   c:1\n  },\n  {\n   q:\"L'unit\u00e9 SI de vitesse est :\",\n   a:[\"m\/s\",\"m\u00b2\",\"kg\",\"joule\"],\n   c:0\n  },\n  {\n   q:\"Une trajectoire droite est dite :\",\n   a:[\"circulaire\",\"rectiligne\",\"curviligne uniquement\",\"variable\"],\n   c:1\n  },\n  {\n   q:\"Un mouvement uniforme signifie que :\",\n   a:[\"la vitesse reste constante\",\"la vitesse augmente toujours\",\"l'objet est immobile\",\"la trajectoire est toujours circulaire\"],\n   c:0\n  },\n  {\n   q:\"Un v\u00e9hicule parcourt 100 km en 2 h. 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]\n},\n\n\"exam\":{\n title:\"Examen blanc \u2014 Physique-Chimie Coll\u00e8ge\",\n questions:[\n  {\n   q:\"Le passage solide vers liquide est :\",\n   a:[\"fusion\",\"solidification\",\"condensation\",\"combustion\"],\n   c:0\n  },\n  {\n   q:\"Une pile est :\",\n   a:[\"un g\u00e9n\u00e9rateur\",\"un r\u00e9cepteur seulement\",\"un isolant\",\"un interrupteur\"],\n   c:0\n  },\n  {\n   q:\"La lumi\u00e8re se propage en ligne droite dans :\",\n   a:[\"un milieu homog\u00e8ne transparent\",\"n'importe quel mur\",\"un m\u00e9tal opaque\",\"un objet noir\"],\n   c:0\n  },\n  {\n   q:\"L'unit\u00e9 de l'intensit\u00e9 \u00e9lectrique est :\",\n   a:[\"amp\u00e8re\",\"volt\",\"watt\",\"joule\"],\n   c:0\n  },\n  {\n   q:\"Les substances form\u00e9es apr\u00e8s une r\u00e9action sont les :\",\n   a:[\"r\u00e9actifs\",\"produits\",\"catalyseurs obligatoires\",\"instruments\"],\n   c:1\n  },\n  {\n   q:\"Une combustion n\u00e9cessite g\u00e9n\u00e9ralement :\",\n   a:[\"du dioxyg\u00e8ne\",\"uniquement de l'eau\",\"du vide\",\"aucun r\u00e9actif\"],\n   c:0\n  },\n  {\n   q:\"La vitesse moyenne vaut :\",\n   a:[\"distance \/ dur\u00e9e\",\"dur\u00e9e \/ distance\",\"distance \u00d7 dur\u00e9e\",\"distance + dur\u00e9e\"],\n   c:0\n  },\n  {\n   q:\"L'unit\u00e9 d'une force est :\",\n   a:[\"newton\",\"watt\",\"volt\",\"litre\"],\n   c:0\n  },\n  {\n   q:\"Le poids est une :\",\n   a:[\"force\",\"temp\u00e9rature\",\"masse\",\"vitesse\"],\n   c:0\n  },\n  {\n   q:\"La puissance \u00e9lectrique s'exprime en :\",\n   a:[\"watts\",\"m\u00e8tres\",\"litres\",\"secondes seulement\"],\n   c:0\n  }\n ]\n}\n\n};\n\nlet current=null,index=0,selected=null,score=0;\n\nconst zone=document.getElementById(\"mza-pc-quiz\");\nconst content=document.getElementById(\"mza-pc-content\");\nconst title=document.getElementById(\"mza-pc-title\");\nconst counter=document.getElementById(\"mza-pc-counter\");\nconst progress=document.getElementById(\"mza-pc-progress-bar\");\nconst 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