{"id":2758,"date":"2018-02-20T08:26:09","date_gmt":"2018-02-20T08:26:09","guid":{"rendered":"http:\/\/www.experimentoscientificos.es\/?page_id=2758"},"modified":"2018-06-08T07:18:57","modified_gmt":"2018-06-08T07:18:57","slug":"conductividad","status":"publish","type":"page","link":"https:\/\/www.experimentoscientificos.es\/en\/conductividad\/","title":{"rendered":"Conductivity"},"content":{"rendered":"<p>Conductivity is the property of bodies to allow heat or electricity to pass through them.<\/p>\n<h2>ELECTRICAL CONDUCTIVITY<\/h2>\n<p>The\u00a0<b>electrical conductivity<\/b>\u00a0is the property of different bodies to allow electricity to pass through them. In solid media, conductivity depends on the atomic structure, in particular on the arrangement of electrons in the last shell. In the case of metals, the electrons in the last shell are weakly bound and therefore metals are good conductors of electricity. In the case of liquids, the conductivity will depend directly on the salt content of the liquid.<\/p>\n<p>The\u00a0<b>electrical conductivity<\/b>\u00a0is the inverse of the resistivity and its unit is the\u00a0<b>S\/m<\/b>\u00a0(siemens per metre)<\/p>\n<h2>CONDUCTIVITY EXPERIMENTS<\/h2>\n<div class=\"facetwp-template\" data-name=\"conductividad\">\n<div style=\"margin-top: 20px\">\n\n\n<div style=\"float: left; width: 18%\">\n<\/div>\n<div style=\"float:left; width: 78%; margin-left: 2%\">\n<div>\n\n<div><h3 class=\"entry-title\" style=\"\"><a href=\"https:\/\/www.experimentoscientificos.es\/en\/electricidad-agua\/\">Electricity Through Water Experiment<\/a><\/h3><\/div>\n\n<strong><\/strong> In this experiment we are going to see how water without salt does not conduct electricity, while water with salt does. We will do this by means of a small circuit, where a light bulb will light up when the water conducts electricity.<\/div>\n\n<\/div>\n<div class=\"clear\"><\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n\n\n\n<div style=\"margin-top: 20px\">\n\n\n<div style=\"float: left; width: 18%\">\n<\/div>\n<div style=\"float:left; width: 78%; margin-left: 2%\">\n<div>\n\n<div><h3 class=\"entry-title\" style=\"\"><a href=\"https:\/\/www.experimentoscientificos.es\/en\/experimento-medir-ph-salinidad-agua\/\">Experiment Measuring Seawater pH and Salinity<\/a><\/h3><\/div>\n\n<strong><\/strong> Do we know the water we bathe in? With this experiment we are going to find out some basic parameters of the water in which we usually bathe.<\/div>\n\n<\/div>\n<div class=\"clear\"><\/div>\n<\/div>\n<div class=\"clear\"><\/div>\n\n\n<\/div>\n<p>You can also see all the\u00a0<a href=\"http:\/\/www.experimentoscientificos.es\/en\/\">experiments for children<\/a>.<\/p>\n<h2><span id=\"Conductividad_el\u00e9ctrica_en_diferentes_medios\" class=\"mw-headline\">ELECTRICAL CONDUCTIVITY IN DIFFERENT MEDIA\u00a0<\/span><\/h2>\n<ul>\n<li><span id=\"Conductividad_en_medios_l.C3.ADquidos\"><\/span><strong><span id=\"Conductividad_en_medios_l\u00edquidos\" class=\"mw-headline\">Conductivity in liquid media. <\/span><\/strong><span id=\"Conductividad_en_medios_l\u00edquidos\" class=\"mw-headline\">In liquid media, conductivity depends on the presence of salts in the solution. The dissociation of salts into positive and negative ions gives them the ability to carry electricity. Conductivity is in fact the way in which the salt content of some liquids, in particular seawater, is measured. In seawater, the salt composition is always constant, even if the sea in question is more or less saline, and the measurement of conductivity allows us to know this salt content.\u00a0<\/span><\/li>\n<li><strong>Conductivity in solid media.<\/strong>\u00a0To define conductivity in solid media, materials where the valence bands overlap, form a cloud of free electrons and cause electric current. Materials with electrical conductivity are known as electrical conductors. The most widely used today would be copper, which is used in virtually all electrically conductive wires. Copper has a high conductivity, and is priced so that it can be used economically. Gold and silver have better conductivity than copper, but their use is unfeasible due to the high economic cost involved.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6868\" src=\"http:\/\/www.experimentoscientificos.es\/wp-content\/uploads\/2018\/02\/descarga-1.jpg\" alt=\"conductividad\" width=\"459\" height=\"183\" srcset=\"https:\/\/www.experimentoscientificos.es\/wp-content\/uploads\/2018\/02\/descarga-1.jpg 341w, https:\/\/www.experimentoscientificos.es\/wp-content\/uploads\/2018\/02\/descarga-1-300x120.jpg 300w\" sizes=\"(max-width: 459px) 100vw, 459px\" \/><\/p>\n<h2>ELECTRICAL CONDUCTIVITY OF SOME SUBSTANCES<\/h2>\n<ul>\n<li><strong><a href=\"http:\/\/www.experimentoscientificos.es\/en\/conductividad\/conductividad-del-agua\/\">Water conductivity<\/a><\/strong>. The salt content in water is what gives it the ability to conduct electricity. The more salts dissolved in the water, the more the water will conduct electricity. <a href=\"http:\/\/www.experimentoscientificos.es\/en\/conductividad\/conductividad-del-agua\/\">Read more<\/a><\/li>\n<li><strong>Silver conductivity<\/strong>. The conductivity of copper is 6.30\u00d710<sup>7\u00a0<\/sup>S-m<sup>\u22121<\/sup><\/li>\n<li><strong>Copper conductivity<\/strong>. The conductivity of copper is 5,96\u00d710<sup>7\u00a0<\/sup>S-m<sup>\u22121<\/sup><\/li>\n<li><strong>Aluminium conductivity<\/strong>. The conductivity of copper is 3,78\u00d710<sup>7\u00a0<\/sup>S-m<sup>\u22121<\/sup><\/li>\n<\/ul>\n<h2>THERMAL CONDUCTIVITY<\/h2>\n<p>Thermal conductivity is an intensive quantity that describes the ability of a material to transfer heat by direct contact between objects. Aluminium, iron, bronze are among the materials with the highest thermal conductivity. Cork and fibreglass are at the extremes of those with the lowest thermal conductivity, and are therefore commonly used as thermal insulators.<\/p>\n<h3>\u00a0OTHER PROPERTIES OF BODIES YOU MAY BE INTERESTED IN<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.experimentoscientificos.es\/en\/densidad\/\">Density<\/a><\/li>\n<li><a href=\"http:\/\/www.experimentoscientificos.es\/en\/ph\/\">pH<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Conductivity is the property of bodies to allow heat or electricity to pass through them. ELECTRICAL CONDUCTIVITY Electrical conductivity is the property of different bodies to allow electricity to pass through them. In solid media, conductivity depends on the atomic structure, in particular on the atomic structure of the [...]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Conductividad - Experimentoscientificos.es<\/title>\n<meta name=\"description\" content=\"La conductividad es la propiedad de los cuerpos de poder trasmitir la electricidad a trav\u00e9s de ellos. 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