{"id":64,"date":"2010-10-16T19:13:03","date_gmt":"2010-10-16T19:13:03","guid":{"rendered":"http:\/\/www.gpeano.org\/basteris\/"},"modified":"2018-09-13T15:23:07","modified_gmt":"2018-09-13T13:23:07","slug":"fisica-classi-quinte","status":"publish","type":"page","link":"https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/","title":{"rendered":"Fisica Classi Quinte"},"content":{"rendered":"<h2>MATERIALE FISICA CLASSICA:<\/h2>\n<p><a href=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/Basteris-Luca-Materiale-FISICA-Classi-5^G-5^D-Anno-Scolastico-2009-2010-Storia-Elettrologia.pdf\">Breve Storia Elettrologia<\/a><\/p>\n<p><a href=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/Basteris-Luca-Materiale-FISICA-Classi-5^G-5^D-Anno-Scolastico-2009-2010-Teoria-sui-Fulmini.pdf\">Dispense sulla Teoria sui Fulmini<\/a><\/p>\n<p><a href=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/Dispense-SERVIZIO-ELETTRICO-NAZIONALE-2011.pdf\">Dispense SERVIZIO ELETTRICO NAZIONALE-2011 (new)<\/a><\/p>\n<p><a href=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/Basteris-Luca-Materiale-FISICA-Classi-5^G-5^D-Anno-Scolastico-2009-2010-Campo-magnetico-terrestre.pdf\">Dispense Campo magnetico terrestre<\/a><\/p>\n<div id='gallery-1' class='gallery galleryid-64 gallery-columns-2 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a title=\"Fulmini\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/foto_cieli_016\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/foto_cieli_016-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Fulmini\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a title=\"elettroscopio\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/elettroscopio\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/elettroscopio-150x150.gif\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a title=\"Bilancia a torsione &#8211; Coulomb\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/200px-bcoulomb\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/200px-Bcoulomb-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Bilancia a torsione - Coulomb\" srcset=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/200px-Bcoulomb-150x150.png 150w, https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/200px-Bcoulomb-200x198.png 200w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a title=\"Faraday\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/faraday-millikan-gale-1913_1__0\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/Faraday-Millikan-Gale-1913_1__0-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Faraday\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a title=\"Johann_Carl_Friedrich_Gauss\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/johann_carl_friedrich_gauss\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/johann_carl_friedrich_gauss-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"Johann_Carl_Friedrich_Gauss\" aria-describedby=\"gallery-1-272\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-272'>\n\t\t\t\tJohann_Carl_Friedrich_Gauss\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a title=\"gauss-1\"  href='https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/gauss-1\/'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/liceocuneo.it\/basteris\/wp-content\/uploads\/sites\/3\/gauss-1-150x150.gif\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<h1>FISICA MODERNA:<\/h1>\n<h1><strong>LABORATORIO SULLA CAMERA A NEBBIA\/BOLLE &#8211; marted\u00ec 8 Marzo 2016 <\/strong><\/h1>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><span class=\"hps\">La<\/span> <span class=\"hps\">camera a nebbia<\/span> <span class=\"hps\">\u00e8 stato uno strumento<\/span> <span class=\"hps\">di ricerca<\/span> <span class=\"hps\">molto importante per<\/span> <span class=\"hps\">gli inizi della<\/span> <span class=\"hps\">fisica delle particelle<\/span>. <span class=\"hps\">Ha vinto<\/span> <span class=\"hps\">due premi Nobel<\/span><span class=\"\">!<a href=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine.jpg\" rel=\"attachment wp-att-374\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-374 alignright\" src=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine-300x221.jpg\" alt=\"Immagine\" width=\"300\" height=\"221\" \/><\/a><\/span><\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><strong><span class=\"hps\">Charles T.<\/span> <span class=\"hps\">R. Wilson<\/span> <span class=\"hps\">(1869 &#8211; 1959), <\/span><\/strong>F<span class=\"hps\">isico scozzese, che<\/span>\u00a0 <span class=\"hps\">voleva studiare<\/span> <span class=\"hps\">la formazione di nubi<\/span> <span class=\"hps\">e<\/span> <span class=\"hps\">fenomeni ottici<\/span> <span class=\"hps\">in aria umida<\/span>. <span class=\"hps\">Scopr\u00ec<\/span> <span class=\"hps\">ben presto<\/span>, <span class=\"hps\">che<\/span> <span class=\"hps\">per caso<\/span> <span class=\"hps\">si era<\/span> <span class=\"hps\">inventato un<\/span> <span class=\"hps\">rivelatore di particelle<\/span>. <span class=\"hps\">Ha perfezionato<\/span> <span class=\"hps\">la<\/span> <span class=\"hps\">prima camera<\/span> a <span class=\"hps\">nebia<\/span> <span class=\"hps\">nel 1911<\/span> <span class=\"hps\">e ha ricevuto<\/span> <span class=\"hps\">il premio Nobel<\/span> <span class=\"hps\">nel 1927<\/span><span class=\"\">.<\/span><\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><strong><span class=\"hps\"><a href=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine2.jpg\" rel=\"attachment wp-att-375\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-375 alignleft\" src=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine2-300x207.jpg\" alt=\"Immagine2\" width=\"354\" height=\"248\" \/><\/a><\/span><\/strong><\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><strong><span class=\"hps\">Carl<\/span> <span class=\"hps\">Anderson<\/span> <span class=\"hps\">(1905 &#8211; 1991)<\/span><\/strong> <span class=\"hps\">fisico che<\/span> <span class=\"hps\">ha scoperto<\/span> <span class=\"hps\">il positrone<\/span> <span class=\"hps\">nel 1932 e<\/span> <span class=\"hps\">il muone<\/span> <span class=\"hps\">nel 1936<\/span> <span class=\"hps\">utilizzando<\/span> <span class=\"hps\">una camera a nebbia<\/span>. <span class=\"hps\">Ha ricevuto<\/span> <span class=\"hps\">il premio Nobel<\/span> <span class=\"hps\">nel 1936.<\/span> <span class=\"hps\">La sua idea:<\/span><span class=\"hps\">a usare<\/span> <span class=\"hps\">l&#8217;alcol<\/span><span class=\"\">, invece di<\/span> <span class=\"hps\">acqua per formare<\/span> <span class=\"hps\">una nebbia<\/span> <span class=\"hps\">pi\u00f9 sensibile<\/span>.<\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><strong><span class=\"hps\">Come funziona la<\/span> <span class=\"hps\">camera a nebbia<\/span> <span class=\"hps\">?<\/span><\/strong><br \/>\nLa <span class=\"hps\">parte superiore della<\/span> <span class=\"hps\">scatola \u00e8<\/span> <span class=\"hps\">a temperatura ambiente<\/span>, <span class=\"hps atn\">l&#8217;<\/span>isopropanolo <span class=\"hps\">evapora<\/span> <span class=\"hps\">dalla spugna incollata nella parte alta <\/span><span class=\"hps\">e affonda<\/span> <span class=\"hps\">lentamente<\/span> <span class=\"hps\">in direzione<\/span> <span class=\"hps\">del<\/span> <span class=\"hps\">fondo della camera<\/span>, <span class=\"hps\">in quanto il<\/span> <span class=\"hps\">vapore<\/span> i<span class=\"hps\">sopropanolo<\/span> <span class=\"hps\">\u00e8 pi\u00f9 pesante dell&#8217;aria<\/span>. <span class=\"hps\">Poich\u00e9<\/span> <span class=\"hps\">c&#8217;\u00e8 tanto<\/span> <span class=\"hps\">alcool<\/span>, <span class=\"hps\">l&#8217;aria<\/span> <span class=\"hps\">all&#8217;interno della camera<\/span> <span class=\"hps\">sar\u00e0<\/span> <span class=\"hps\">satura di vapore<\/span> <span class=\"hps\">di alcool<\/span>.<br \/>\n<span class=\"hps\">Poich\u00e9 il<\/span> <span class=\"hps\">ghiaccio secco<\/span> <span class=\"hps\">mantiene il<\/span> <span class=\"hps\">fondo della camera<\/span> <span class=\"hps\">molto freddo<\/span>, <span class=\"hps\">l&#8217;alcool<\/span> <span class=\"hps\">si raffredda<\/span> <span class=\"hps\">quando cade<\/span>. <span class=\"hps\">Il risultato<\/span> <span class=\"hps\">\u00e8 un cosiddetto<\/span> <span class=\"hps\">ambiente<\/span> <span class=\"hps\">sovrasaturo<\/span>. <span class=\"hps\">Questo significa<\/span>, <span class=\"hps\">l&#8217;alcool<\/span> <span class=\"hps\">\u00e8<\/span> <span class=\"hps\">in forma di vapore<\/span>, <span class=\"hps\">ma ad<\/span> <span class=\"hps\">una temperatura alla quale <span title=\"vapour normally can't exist.\">vapore normalmente non pu\u00f2 esistere. <\/span><span title=\"It is, as if you had made steam at 95\u00b0C.\">E&#8217; come se avessimo del vapore acqueo a 95 \u00b0 C. <\/span><span title=\"Since the vapour is at a temperature where it normally can't exist, it will very easily condense into liquid form if anything disturbs its equilibrium. \">Poich\u00e9 il vapore \u00e8 ad una temperatura in cui normalmente non pu\u00f2 esistere, sar\u00e0 facile che ocndensi in forma liquida a causa di un evento in grado di disturbarne l&#8217;equilibrio.<br \/>\n<\/span><span title=\"Now what happens if a electrically charged particle crosses the chamber?\">Ora, cosa succede se una particella carica elettricamente attraversa la camera? <\/span><span title=\"The particle will ionize the vapour: it tears away the electrons in some of the gas molecules along its path.\">La particella ionizza il vapore: si strappano gli elettroni in alcune delle molecole di gas lungo il suo percorso e q<\/span><span title=\"This leaves these molecules electrically positively charged.\">uesto lascia le molecole elettricamente cariche (positivamente). <\/span><span title=\"This is enough to start the condensation process: Small droplets of alcohol form along the path of the initial particle through the chamber.\">Questo \u00e8 sufficiente per avviare il processo di condensazione: si formano piccole goccioline di forma alcolica lungo il percorso della particella iniziale, attraverso la camera. <\/span><span title=\"The ordered accumulation of these droplets are the tracks you see appearing. \">L&#8217;accumulo ordinato di queste goccioline sono le tracce che vedere apparire.<\/span><\/span><\/span><\/p>\n<p><span id=\"result_box\" class=\"\" lang=\"it\"><span class=\"hps\"><span title=\"What can you see? \"><strong>Cosa\u00a0 si pu\u00f2 vedere?<\/strong><br \/>\n<\/span><span title=\"You will see different kinds of tracks coming from different particles.\">Vedrete diversi tipi di tracce provenienti da diverse particelle. <\/span><span title=\"You might notice that some tracks are very &quot;bright&quot; and thick, and others are very faint, some longer, some shorter.\">Si potrebbe notare che alcune tracce sono molto &#8220;brillanti&#8221; e di spessore, e altri sono molto deboli e permangono per un tempo un p\u00f2 pi\u00f9 a lungo, o un po&#8217; pi\u00f9 breve.<\/span><\/span><\/span><span id=\"result_box\" class=\"\" lang=\"it\"><span class=\"hps\"><span title=\"Besides straight lines of tracks from one particle you might see kinks, Y-shaped tracks, very curly tracks. \">Oltre trace a fomra di linea retta, si possono osservare tracce con pieghe, tracce a forma di Y, tracce che fomrano dei\u00a0 &#8220;ricci&#8221;.<br \/>\n<\/span><span title=\"This ionization can be caused by cosmic particles or environmental radionuclide decay.\">La ionizzazione pu\u00f2 essere causata da particelle cosmiche o dalla degradazione ambientale di qualche radionuclide.<\/span><span title=\"The cloud chamber will sometimes enable differentiation between these two sources. \">La camera a nebbia pu\u00f2 permettere di differenziare tra queste due fonti.<br \/>\n<\/span><span title=\"- Secondary cosmic rays present at ground level include muons and Photo-electrons. \">&#8211; raggi cosmici secondari presenti a livello del suolo (sono muoni e foto-elettroni).<br \/>\n<\/span><span title=\"- Natural radioisotopes present in the earth\u2019s crust produce another component of background radiation.\">&#8211; Radioisotopi naturali presenti nella crosta terrestre che producono un altro componente della radiazione di fondo (Ad esempio presente nelle nostre zone il\u00a0 <\/span><span title=\"Radon-222 is a chemically inert gas emanating from the soil and stone;\">Radon-222 \u00e8 un gas chimicamente inerte proveniente dal terreno e pietra; <\/span><span title=\"it diffuses through the air and decays with the emission of an alpha particle.\">si diffonde attraverso l&#8217;aria e decade con emissione di una particella alfa).<\/span><br \/>\n<\/span><\/span><\/p>\n<p><a href=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine3.jpg\" rel=\"attachment wp-att-376\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-376 aligncenter\" src=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Immagine3-300x189.jpg\" alt=\"Immagine3\" width=\"575\" height=\"367\" \/><\/a>Dispense sull&#8217;attivit\u00e0 di laboratorio effettuata: <a href=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/JW_CloudChamber_Manual_teachers.pdf\" rel=\"\">\u00a0 JW_CloudChamber_Manual_teachers<\/a><\/p>\n<p>Assistenti Tecnici: Riccardo Landra; Elio Ghisolfi<\/p>\n<p>Per la fornitura di ghiaccio secco si ringrazia:<\/p>\n<p><a href=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Cattura.jpg\" rel=\"attachment wp-att-378\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-378 aligncenter\" src=\"https:\/\/liceocuneo.it\/mfi\/wp-content\/uploads\/sites\/9\/Cattura-300x79.jpg\" alt=\"Cattura\" width=\"206\" height=\"60\" \/><\/a>CRYOS srl <span class=\"street-address\">V. Alta Furia<\/span> n\u00b0 37 &#8211; <span class=\"postal-code\">12016<\/span> <span class=\"locality\">Peveragno<\/span> <span class=\"region\">(CN)<\/span><\/p>\n<p>Maggiori info e foto al seguente link: <a href=\"https:\/\/liceocuneo.it\/mfi\/fisica-moderna\/\">https:\/\/liceocuneo.it\/mfi\/fisica-moderna\/<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MATERIALE FISICA CLASSICA: Breve Storia Elettrologia Dispense sulla Teoria sui Fulmini Dispense SERVIZIO ELETTRICO NAZIONALE-2011 (new) Dispense Campo magnetico terrestre FISICA MODERNA: LABORATORIO SULLA CAMERA A NEBBIA\/BOLLE &#8211; marted\u00ec 8 Marzo 2016 La camera a nebbia \u00e8 stato uno strumento &hellip; <a href=\"https:\/\/liceocuneo.it\/basteris\/fisica\/fisica-classi-quinte\/\">Continua a leggere<span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":7,"featured_media":439,"parent":4,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"onecolumn-page.php","meta":{"footnotes":""},"class_list":["post-64","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/pages\/64","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/comments?post=64"}],"version-history":[{"count":0,"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/pages\/64\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/pages\/4"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/media\/439"}],"wp:attachment":[{"href":"https:\/\/liceocuneo.it\/basteris\/wp-json\/wp\/v2\/media?parent=64"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}