The von Guericke Challenge.
von Guericke made a machine that could make electrical sparks.
Now that sounds like fun! Your challenge has two parts..
to make a ‘machine’ or simple method of making a large
You must consider safety in this activity very
large charge without a spark will be considered a success.
link may be useful.
may wish to work with the student(s) doing the Volta Challenge
and use their link
a simple but accurate explanation of the Physics of sparks
and prepare to explain this to the group.