Some unusual electrostatic demos:

A great example of how a charge can build up in powder factories etc. Pour the talc or lycopodium powder down a plastic channel onto the top of the electroscope (a petri-dish to catch the powder keeps thing neater). The friction of the powder with the plastic channel will cause the powder to become charged, and hence the electroscope will show a charge.

The second unusual demo from the archives is to use a source of ionising radiation to charge the plate. A reasonably active source will cause the leaf to move promptly.

Up next A nice wave demo. Year 12 Physics Sorting out Indices Remembering what different powers of ten mean is important in physics and the following tables may help: Going up! Going down! 100 = 1 100 = 1 101 =
Latest posts How Radon was Discovered in Homes Year 12 Physics Sorting out Indices Some unusual electrostatic demos: A nice wave demo. Matter and antimatter… Some Basics Snap, Crackle and Pop. We need Jerks! Practical puzzles and what happens next! Radioactivity (with and without the resources) DIY energy ball: Energy & Resources: December 2019 Devon lanes, a series 7 Morning I An Inductive Curio Published value of the Hubble constant plotted over time #www. #www. Published value of the charge on the electron plotted over time Devon lanes, a series 5 Mystery Boxes I’ve always believed in the lab book Desiderata True. Devon lanes, a series 4 Devon lanes, a series 3 Devon lanes, a series 2 Devon lanes, a series 1 A new blog. Again Arduino light-gates Evening Walk