{"id":249,"date":"2025-03-31T18:35:06","date_gmt":"2025-03-31T18:35:06","guid":{"rendered":"https:\/\/exactas.uba.ar\/web\/palabras\/?p=249"},"modified":"2025-04-01T14:03:26","modified_gmt":"2025-04-01T14:03:26","slug":"sistema-metrico-decimal","status":"publish","type":"post","link":"https:\/\/exactas.uba.ar\/web\/palabras\/sistema-metrico-decimal\/","title":{"rendered":"Sistema m\u00e9trico decimal"},"content":{"rendered":"\r\n<p>Exactamente hace 230 a\u00f1os, el 7 de abril de 1795, la Convenci\u00f3n Nacional constituida tras la Revoluci\u00f3n Francesa adopt\u00f3 como medida de longitud el metro, definido como la diezmillon\u00e9sima parte del arco del meridiano entre el Polo Norte y el Ecuador, dando origen al sistema m\u00e9trico decimal.<\/p>\r\n<p>Quien responda estas 13 preguntas podr\u00e1 completar, en vertical, el nombre del Comit\u00e9 Internacional de\u2026 (las tres palabras que faltan), que vela por asegurar la uniformidad global de las unidades de medida.<\/p>\r\n\r\n<div class=\"lazyblock-grilla-27whQ1 wp-block-lazyblock-grilla\"><main class=\"container\">\r\n    <center>\r\n        <div class=\"table-responsive\">\r\n            <table>\r\n                <tbody id=\"bodyTabla\">\r\n                                                                <tr>\r\n                            <th>1<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"0\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"1\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"2\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"3\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"4\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"5\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"6\">\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>2<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"7\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"8\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"9\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"10\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"11\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>3<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"12\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"13\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"14\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"15\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"16\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"17\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>4<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"18\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"19\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"20\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"21\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"22\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"23\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"24\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"25\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>5<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"26\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"27\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"28\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"29\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"30\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"31\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"32\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>6<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"33\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"34\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"35\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"36\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"37\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>7<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"38\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"39\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"40\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"41\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"42\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"43\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"44\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"45\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>8<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"46\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"47\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"48\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"49\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"50\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"51\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"52\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"53\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>9<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"54\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"55\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"56\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"57\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>10<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"58\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"59\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"60\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"61\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"62\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"63\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"64\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"65\">\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>11<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"66\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"67\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"68\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"69\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"70\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"71\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"72\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>12<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"73\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"74\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control form-control centro' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"75\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"76\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"77\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' class='form-control ' maxlength='1' autocomplete='off' size='1' onkeyup='pasar(event.keyCode, this.id)' id=\"78\">\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                            <tr>\r\n                            <th>13<\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                            <input type='text' 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         <th>\r\n                                                                    <\/th>\r\n                                                            <th>\r\n                                                                    <\/th>\r\n                                                    <\/tr>\r\n                                    <\/tbody>\r\n            <\/table>\r\n        <\/div>\r\n        <div id=\"cierre\">\r\n\r\n        <\/div>\r\n        <div>\r\n            <input class=\"btn btn-primary btn-sm\" type=\"button\" value=\"Revisar\" onclick=\"revisar()\">\r\n        <\/div>\r\n    <\/center>\r\n<\/main>\r\n    <script type=\"text\/javascript\">\r\n\r\nlet respuestasOk = [[5,\"platino\"],[1,\"grave\"],[5,\"sevres\"],[2,\"delambre\"],[4,\"estereo\"],[5,\"yarda\"],[2,\"germinal\"],[2,\"imperial\"],[3,\"codo\"],[4,\"cilindro\"],[2,\"candela\"],[3,\"franco\"],[3,\"cesio\"]];\r\nfunction revisar() {\r\n            let cont = 0\r\n            let respuestas = new Array(13)\r\n            for (let i = 0; i < 13; i++) {\r\n                respuestas[i] = \"\"\r\n                for (let j = 0; j < document.getElementById(\"bodyTabla\").getElementsByTagName(\"tr\")[i].getElementsByTagName(\"th\").length; j++) {\r\n                    if (document.getElementById(\"bodyTabla\").getElementsByTagName(\"tr\")[i].getElementsByTagName(\"th\")[j].getElementsByTagName(\"input\").length > 0) {\r\n                        let letra = document.getElementById(\"bodyTabla\").getElementsByTagName(\"tr\")[i].getElementsByTagName(\"th\")[j].getElementsByTagName(\"input\")[0].value.toLowerCase();\r\n                        respuestas[i] = respuestas[i] + letra;\r\n                    }\r\n                }\r\n                if (respuestas[i] == respuestasOk[i][1]) {\r\n                    cont++;\r\n                }\r\n            }\r\n            if (cont == 13) {\r\n                document.getElementById('cierre').innerHTML = \"<div class='alert alert-success' role='alert'>\u00a1Ganaste!<\/div>\";\r\n            } else {\r\n                document.getElementById('cierre').innerHTML = \"<div class='alert alert-danger' role='alert'>Falta(n) \" + (respuestasOk.length - cont) + \" respuesta(s) correctas.<\/div>\";\r\n            }\r\n        }\r\n\r\n        function pasar(tecla, numero) {\r\n            numero = parseInt(numero);\r\n            if (tecla > 64 && tecla < 127) {\r\n                document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero].value = String.fromCharCode(tecla);\r\n                if (numero < document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\").length - 1) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero + 1].focus();\r\n                }\r\n            } else if (tecla == 37) {\r\n                if (numero > 0) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero - 1].focus();\r\n                }\r\n            } else if (tecla == 39) {\r\n                if (numero < document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\").length - 1) {\r\n                    document.getElementById(\"bodyTabla\").getElementsByTagName(\"input\")[numero + 1].focus();\r\n                }\r\n            }\r\n        }\r\n    <\/script><\/div>\r\n\r\n&nbsp;\r\n<ol>\r\n \t<li>Hoy el metro se define como la distancia que recorre la luz en el vac\u00edo en un intervalo de 1\/299.792.458 segundos, pero durante m\u00e1s de un siglo hubo un \u201cmetro patr\u00f3n\u201d usado como prototipo. El que se acu\u00f1\u00f3 en 1889, en el centenario de la Revoluci\u00f3n Francesa, era una varilla de metal compuesta por un 10% de iridio y un 90% de\u2026 \u00bfDe qu\u00e9?<\/li>\r\n \t<li>Los revolucionarios tambi\u00e9n definieron la unidad de peso (luego masa), correspondiente a un dec\u00edmetro c\u00fabico de agua destilada en el punto de fusi\u00f3n del hielo. Pero inicialmente no la llamaron kilogramo. Ten\u00eda otro nombre. \u00bfCu\u00e1l?<\/li>\r\n \t<li>Desde 2019, la definici\u00f3n del kilogramo est\u00e1 ligada a la constante de Planck, pero el viejo \u201ckilo patr\u00f3n\u201d sigue depositado en una c\u00e1mara subterr\u00e1nea en la sede central del Bureau International des Poids et Mesures, en las afueras de Par\u00eds. \u00bfEn qu\u00e9 ciudad?<\/li>\r\n \t<li>Entre 1792 y 1798, dos cient\u00edficos franceses fueron los encargados de realizar el relevamiento geod\u00e9sico que permiti\u00f3 medir la longitud del meridiano que pasa por Par\u00eds y as\u00ed definir el metro. Uno fue Pierre M\u00e9chain. Y el otro, \u00bfc\u00f3mo se apellidaba?<\/li>\r\n \t<li>El sistema m\u00e9trico original ten\u00eda dos magnitudes b\u00e1sicas (longitud y peso) y varias unidades derivadas, como el litro o el \u00e1rea. Una que se cre\u00f3 entonces y qued\u00f3 obsoleta, equivalente a un metro c\u00fabico, todav\u00eda se usa en la actividad forestal para calcular vol\u00famenes apilables de madera aserrada. Su nombre remite hoy a un significado totalmente distinto, asociado a la industria fonogr\u00e1fica. \u00bfC\u00f3mo se llamaba?<\/li>\r\n \t<li>En el sistema anglosaj\u00f3n de unidades, que a\u00fan se utiliza en el Reino Unido y en EE UU, hay una unidad de longitud muy cercana al metro: mide 91,44 cent\u00edmetros. \u00bfCu\u00e1l?<\/li>\r\n \t<li>La Revoluci\u00f3n Francesa instaur\u00f3 muchos otros cambios, desde la Declaraci\u00f3n de los Derechos del Hombre y del Ciudadano hasta la creaci\u00f3n de un Calendario Revolucionario, asociado a las estaciones del a\u00f1o. Por ejemplo, el decreto del 4 de noviembre de 1800 que dispuso el uso obligatorio del sistema m\u00e9trico decimal se dict\u00f3 el d\u00eda 13 del mes \u201cbrumario\u201d. Y aquel 7 de abril cuando se dict\u00f3 la definici\u00f3n del metro, al inicio de la primavera boreal, \u00bfa qu\u00e9 mes pertenec\u00eda?<\/li>\r\n \t<li>Volviendo al sistema anglosaj\u00f3n, que usa pulgadas, pies, millas, etc. \u00bfC\u00f3mo lo llaman en el Reino Unido?<\/li>\r\n \t<li>Las unidades de medida existen desde que la humanidad comenz\u00f3 a intercambiar objetos y mercanc\u00edas. Para las longitudes m\u00e1s cortas, los egipcios fueron los primeros en usar partes del cuerpo como medida. La unidad de longitud m\u00e1s utilizada en la antig\u00fcedad, que variaba seg\u00fan las regiones entre 45 y 52 cent\u00edmetros, med\u00eda desde la punta del dedo medio hasta\u2026 \u00bfHasta d\u00f3nde?<\/li>\r\n \t<li>\u201cLe Grand K\u201d, el prototipo del kilogramo forjado en Francia en 1889 con la misma aleaci\u00f3n del metro patr\u00f3n, \u00bfqu\u00e9 forma tiene?<\/li>\r\n \t<li>Con los a\u00f1os, el sistema m\u00e9trico ir\u00eda evolucionando hacia el actual Sistema Internacional de Unidades, constituido por siete unidades b\u00e1sicas, correspondientes a las magnitudes f\u00edsicas fundamentales: metro, kilogramo, segundo, kelvin, amperio, mol y\u2026 La s\u00e9ptima mide la intensidad luminosa. \u00bfC\u00f3mo se llama?<\/li>\r\n \t<li>Instaurado el sistema m\u00e9trico decimal, los revolucionarios franceses decidieron establecer tambi\u00e9n una nueva moneda, que equival\u00eda a 4,5 gramos de plata. \u00bfQu\u00e9 moneda?<\/li>\r\n \t<li>Los metr\u00f3logos del mundo se re\u00fanen peri\u00f3dicamente en Francia y cada tanto redefinen las unidades de medida a partir de los nuevos conocimientos cient\u00edficos. Por ejemplo, en la Conferencia General de 1967, se cambi\u00f3 la definici\u00f3n de segundo, que ahora es la duraci\u00f3n de 9.192.631.770 oscilaciones de la radiaci\u00f3n emitida, a una temperatura de 0 Kelvin, en la transici\u00f3n entre los dos niveles hiperfinos del estado fundamental del is\u00f3topo 133 del \u00e1tomo de\u2026 \u00bfDe qu\u00e9 elemento qu\u00edmico?<\/li>\r\n<\/ol>","protected":false},"excerpt":{"rendered":"Exactamente hace 230 a\u00f1os, el 7 de abril de 1795, la Convenci\u00f3n Nacional constituida tras la Revoluci\u00f3n Francesa adopt\u00f3 como medida de longitud el metro, definido como la diezmillon\u00e9sima parte del arco del meridiano entre el Polo Norte y el Ecuador, dando origen al sistema m\u00e9trico decimal. Quien responda estas 13 preguntas podr\u00e1 completar, en&#8230; <a class=\"view-article\" href=\"https:\/\/exactas.uba.ar\/web\/palabras\/sistema-metrico-decimal\/\">LEER +<\/a>","protected":false},"author":1,"featured_media":251,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-249","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia"],"acf":[],"_links":{"self":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/comments?post=249"}],"version-history":[{"count":4,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/249\/revisions"}],"predecessor-version":[{"id":254,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/posts\/249\/revisions\/254"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/media\/251"}],"wp:attachment":[{"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/media?parent=249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/categories?post=249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exactas.uba.ar\/web\/palabras\/wp-json\/wp\/v2\/tags?post=249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}