Sharps and Flats

We've been talking about music theory in class and I feel very fortunate to be studying my second semester of music theory and feel like I have a head start on this.  Our last activity was to create some scales in Sibelius and that leads me to sharps and flats.

A sharp or flat on a keyboard is generally the black keys.  They are a semi-tone higher or lower than the white key beside it. There is a symbol that represents a sharp and another symbol that represents a flat, and these symbols must be written in front of the note you wish to raise or lower on a score.

Here is how the notes would be written:

And this is where the notes are on a keyboard: