The Hauksbee Challenge
Hauksbee observed and investigated glowing gases in the
18th century - Long before we became familiar with neon
practical activity can only be carried out at school and you will need
the help of your teacher.
task is to demonstrate that a fluorescent tube held near to
a charged Van de Graff generator will start to glow in your
the mean time you have a written research task.
tubes work on a completely different principle to ordinary
a written report which answers some or all of these
do fluorescent lamps work?
does an ordinary lamp work?
there any difference in the light these produce?
is the most efficient to use?
What does this mean?
fluorescent lamps and ordinary lamps produce a different
type of shadow?
your findings to the group.
may wish to start by searching the web. These key words may
SPECTRUM PHYSICS UMBRA
To search the web