\frame{\frametitle{Some tasks}

\begin{enumerate}
 \item 
 change the beamer theme
 
 \item 
 insert an image using the \alert{graphicx} package; \\
 can you scale it to a suitable height or width?
 
 \item 
 state any multiline formula
 
 \item 
 generate a list and make items appear slide by slide
 
 \item 
 state a theorem in a box
 
\end{enumerate}

}

\frame{\frametitle{Some more tasks}

\begin{enumerate}
 \item 
 ensure that the content starts shortly under the header rather than in the middle of the slide (as on this one)
 
 \item 
 change the colour used for \alert{highlighting text}
 
 \item 
 arrange some text in two columns 
 
 \item 
 insert any movie with the \alert{movie9} or with the \alert{multimedia} package
 
\end{enumerate}

}

