This simple demonstration shows a strong magnet can cause current to flow in a coil of wire.
WATCH VIDEOS
As the temperature of the wire decreases, so does the resistance.
WATCH VIDEO
This one can be messy but it shows how like charges repel quite dramatically.
Watch Video:
As a steel ball rolls down a ramp to collide with three other balls, momentum and energy are conserved.
When a magnetic ball rolls down the same ramp, it launches the other ball completely off the ramp!
Watch Video:
Get an electrostatic hairdo in this classic demonstration!
Watch Video:
Coming Soon!