Query - SQL View font
Two things are cruel in SQL View.
The SQL Text will not stay formatted and will automatically be wrapped - probably this is due to the two way interface between Query Design View and SQL View.
The font in SQL View isn't the best choice. You can change the font in SQL View but this also changes the Query Design View font.
File > Options > Object Designers > Query Design - Query design font
Expression Builder font
Put your cursor in the editable content text area of the Expression Builder. Ctrl+Mouse Scroll Wheel. Tip from Utter Access Forums