Suggestion -- in your presentation, answer these questions:
3 minutes: what is a quilt?
3 minutes: what is the basic process for making a quilt?
a) pattern selection
a) fabric selection / color combinations (warm vs cool colors, perhaps)
b) fabric preparation / cutting out the pieces / sewing them together in to create a pattern
3 minutes: why do you make quilts?
3 minutes: how does making a quilt benefit you?
a) satisfies personal desire to create
b) provides personal satisfaction of a job well done
c) challenges you mentally throughout the entire process from considering a pattern to completed project.
d) encourages you to start the process all over again
This is such a huge topic that could lead you "into the weeds", it's a good idea to start with the narrow scope (questions) as a guide and then expand if you have time.
Perhaps you will pique someone's interest...and you have another quilting buddy. Enjoy the process and you will do just fine!!