ebook_presentazioni/parabiago/mondo_quantistico.tex

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2018-02-23 13:57:50 +01:00
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\title[Quantum world]{Il meraviglioso mondo quantistico}
\author[G.Filippelli]{Gianluigi Filippelli}
\date{Liceo "C. Cavalleri", Parabiago (Milano). 09/02/2018}
\usepackage[latin1]{inputenc}
\usepackage[italian]{babel}
\usepackage{times}
%
\begin{document}
%
\begin{frame}
\titlepage
\end{frame}
%
% La costante di Planck
%
\section{La costante di Planck}
%
\begin{frame}[timeline01]
\frametitle{Quando inizia il XX secolo della fisica}
%---------------------timeline----------------%
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%
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%---------------------periods----------------%
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%
\stopchronology
\end{frame}
%
\begin{frame}[planck01]
\frametitle{La costante di Planck}
\begin{block}{\only<1>{Il valore di $h$}\onslide<2->{Radiazione di corpo nero}}
\begin{displaymath}
\only<1>{h = 6.626070 \cdot 10^{-34} J \cdot s}
\onslide<2->{B_\nu = \frac{8 \pi h}{c^3} \nu^3 \frac{1}{e^{\frac{h \nu}{k T}}-1}}
\end{displaymath}
\end{block}
\onslide<2->{Cos'<27> un corpo nero?}
\begin{enumerate}
\onslide<3->{\item Emettitore ideale: ad ogni frequenza, emette molta pi<70> energia di qualunque altro corpo alla stessa temperatura.}
\onslide<4->{\item Emettitore diffuso: la radiazione <20> emessa isotropicamente}
\end{enumerate}
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%
\subsection{Planck a scuola}
%
\begin{frame}[planck02]
\frametitle{Misurare la costante di Planck}
\begin{center}
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\onslide<2-7>{\begin{block}{\onslide<2-6>{Materiali}\only<7>{Riferimenti}}
\begin{itemize}
\only<7>{\item \href{http://www.scienceinschool.org/2014/issue28/planck}{\textcolor{inaf}{Classroom fundamentals: measuring the Planck constant}}}
\onslide<2-6>{\item 4 LED di 4 colori differenti (rosso, arancione, verde, blu)}
\onslide<3-6>{\item una batteria}
\onslide<4-6>{\item un tester (da utilizzare una volta come voltmetro e un'altra come amperometro)}
\onslide<5-6>{\item un potenziometro da $1 k\Omega$}
\end{itemize}
\end{block}}
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%
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\frametitle{Visualizzare il corpo nero}
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\onslide<3->{\begin{block}{L'influenza di $h$ nell'universo}
\only<3>{Se $h$ fosse dieci volte pi<70> piccola, delle semplici braci emetterebbero luce 1000 pi<70> intensa e a frequenze ultraviolette}
\only<4>{Se $h$ fosse dieci volte pi<70> piccola, l'idrogeno non sarebbe pi<70> in grado di fondere in deuterio e produrre l'elio}
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%
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\begin{itemize}
\only<1>{\item \href{https://phet.colorado.edu/en/simulation/blackbody-spectrum}{\textcolor{inaf}{Blackbody spectrum - PhET Interactive Simulations}}}
\only<2>{\item \href{https://earthref.org/SCC/lessons/2012/electromagneticradiation/}{\textcolor{inaf}{Electromagnetic Radiation in the Atmosphere: Reflection, Absorption, and Scattering}}}
\end{itemize}
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%
% Einstein
%
\section{Il contributo di Einstein}
%
\begin{frame}[timeline02]
\frametitle{Gli articoli di Einstein}
%---------------------timeline----------------%
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%---------------------periods----------------%
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%
\stopchronology
\begin{itemize}
\item Equazione di Planck-Einstein
\end{itemize}
\end{frame}
%
\begin{frame}[timeline03]
\frametitle{Gli articoli di Einstein}
%---------------------timeline----------------%
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%---------------------periods----------------%
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%
\stopchronology
\begin{itemize}
\item Marzo 1906: quantizzazione energia oscillatore materiale
\item Novembre 1906: la quantizzazione dell'energia degli oscillatori materiali spiega alcuni calori specifici
\end{itemize}
\end{frame}
%
\begin{frame}[timeline04]
\frametitle{Gli articoli di Einstein}
%---------------------timeline----------------%
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%
\chronograduation[event][dateselevation=0pt]{1}
%---------------------periods----------------%
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\chronoperiode[textstyle=\raggedleft\colorbox{inaf!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1905}{1906}{$0, h\nu, 2h\nu, \cdots$}
\chronoperiode[textstyle=\raggedleft\colorbox{inaf!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1908}{1909}{Corpo nero}
%
\stopchronology
\begin{itemize}
\item Le fluttuazioni nella densit<69> di energia emessa da un corpo nero confermano la doppia natura della luce
\end{itemize}
\end{frame}
%
\begin{frame}[timeline05]
\frametitle{Gli articoli di Einstein}
%---------------------timeline----------------%
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%
\chronograduation[event][dateselevation=0pt]{1}
%---------------------periods----------------%
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\chronoperiode[textstyle=\raggedleft\colorbox{inaf!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1905}{1906}{$0, h\nu, 2h\nu, \cdots$}
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%
\stopchronology
\begin{itemize}
\item Effetto fotoelettrico
\item Casualit<69>
\end{itemize}
\end{frame}
%
\subsection{L'effetto fotoelettrico}
%
\begin{frame}[fotoelettrico]
\frametitle{L'effetto fotoelettrico a scuola}
\begin{tikzpicture}[every node/.style={inner sep=0,outer sep=0}]
\node at (0,0) () {\includegraphics[width=5cm]{files/fotoelettrico.jpg}};
\onslide<6>\node at (7,0.5) () {\href{http://iopscience.iop.org/article/10.1088/0031-9120/48/1/35/meta}{\textcolor{inaf}{Teaching the photoelectric}}};
\onslide<6>\node at (7,0) () {\href{http://iopscience.iop.org/article/10.1088/0031-9120/48/1/35/meta}{\textcolor{inaf}{effect inductively}}};
\end{tikzpicture}
\begin{itemize}
\item \href{https://phet.colorado.edu/en/simulation/photoelectric}{\textcolor{inaf}{Effetto fotoelettrico - PhET Interactive Simulations}}: applicazione Java
\onslide<2->{\item Problem solving: }
\onslide<3->{\item Stabilire le ipotesi/raccogliere informazioni}
\onslide<4->{\item Analisi/controllo concettuale}
\onslide<5->{\item Verifica e valutazione}
\end{itemize}
\end{frame}
%
% La struttura dell'atomo
%
\section{La struttura dell'atomo}
%
\begin{frame}[timeline06]
\frametitle{L'esperimento di Millikan}
%---------------------timeline----------------%
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%---------------------periods----------------%
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%
\stopchronology
\end{frame}
%
\begin{frame}[timeline06]
\frametitle{L'esperimento di Compton}
%---------------------timeline----------------%
\startchronology[align=left, startyear=1915,stopyear=1940, height=0pt, startdate=false, stopdate=false, dateselevation=0pt, arrow=false, box=true]
%
\chronograduation[event][dateselevation=0pt]{1}
%---------------------periods----------------%
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%
\stopchronology
\begin{itemize}
\item $\lambda = \frac{h}{mc}$
\end{itemize}
\end{frame}
%
\begin{frame}[timeline08]
\frametitle{Onde di materia}
%---------------------timeline----------------%
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%
\chronograduation[event][dateselevation=0pt]{1}
%---------------------periods----------------%
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1916}{1917}{\includegraphics[width=4cm]{files/millikan.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1921}{1922}{\includegraphics[width=6cm]{files/compton.jpg}}
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%
\stopchronology
\begin{itemize}
\item Articoli indipendenti di Einstein e de Broglie
\item $\nu = \frac{E}{c}, \; \lambda = \frac{h}{p}$
\end{itemize}
\end{frame}
%
\begin{frame}[timeline09]
\frametitle{Onde di materia}
%---------------------timeline----------------%
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%
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%---------------------periods----------------%
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\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1921}{1922}{\includegraphics[width=6cm]{files/compton.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1924}{1925}{\includegraphics[width=4cm]{files/debroglie.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{inaf!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1925}{1926}{\includegraphics[width=4cm]{files/schroedinger.jpg}}
%
\stopchronology
\begin{itemize}
\item Equazione di Schroedinger
\end{itemize}
\end{frame}
%
\begin{frame}[timeline09]
\frametitle{Onde di materia}
%---------------------timeline----------------%
\startchronology[align=left, startyear=1915,stopyear=1940, height=0pt, startdate=false, stopdate=false, dateselevation=0pt, arrow=false, box=true]
%
\chronograduation[event][dateselevation=0pt]{1}
%---------------------periods----------------%
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1916}{1917}{\includegraphics[width=4cm]{files/millikan.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1921}{1922}{\includegraphics[width=6cm]{files/compton.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1924}{1925}{\includegraphics[width=4cm]{files/debroglie.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{gr!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1925}{1926}{\includegraphics[width=4cm]{files/schroedinger.jpg}}
\chronoperiode[textstyle=\raggedleft\colorbox{inaf!50}, color=gr, startdate=false, bottomdepth=0pt, topheight=8pt, textdepth=-25pt,dateselevation=16pt, stopdate=false]{1927}{1928}{Esperimento di Davisson e Germer}
%
\stopchronology
\begin{itemize}
\item Un fascio di elettroni attraversa un cristallo di nichel
\end{itemize}
\end{frame}
%
\subsection{L'atomo di idrogeno}
%
\begin{frame}[idrogeno]
\frametitle{Modelli \onslide<4->{e osservazione}}
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\onslide<5->\node at (4,1.5) () {\includegraphics[width=5cm]{files/idrogeno_esperimento.jpg}};
\end{tikzpicture}
\begin{itemize}
\onslide<4->{\item 2013}
\end{itemize}
\end{frame}
%
\begin{frame}[risorse]
\frametitle{Risorse didattiche}
\begin{itemize}
\onslide<1->{\item \href{http://scienzapertutti.infn.it/3-esperimenti-delle-due-fenditure-per-fotoni-ed-elettroni}{\textcolor{inaf}{Esperimento della doppia fenditura - Scienza per tutti}}}
\onslide<2->{
\begin{itemize}
\item \href{https://www.tes.com/teaching-resource/young-s-double-slit-experiment-introduction-worksheet-for-6th-form-as-physics-11474274}{\textcolor{inaf}{Young's double slit experiment introduction worksheet for 6th form AS Physics}}
\onslide<3->{\item \href{https://www.tes.com/teaching-resource/the-original-double-slit-experiment-6328282}{\textcolor{inaf}{The Original Double Slit Experiment}}}
\end{itemize}}
\onslide<4>{\item \href{http://astroedu.iau.org/it/activities/1502/rompiamo-le-particelle/}{\textcolor{inaf}{Rompiamo le particelle - astroEDU}}}
\end{itemize}
\end{frame}
%
\section{Bibliografia}
%
\begin{frame}[bibliografia]
\frametitle{Bibliografia}
\begin{center}
{\includegraphics[width=5cm]{files/mondo_quantistico.jpg}}
\end{center}
\end{frame}
\end{document}