P4

Generating static electricity

Discharging static electricity

Problems of static electricity

repulsion and attraction

Charging up objects

Reducing the danger

Using static in everyday life
part I

Using static in everyday life
part II

Using static in everyday life
part III

Circuits

Fixed and variable resistors

Current, voltage and resistance

Live, Neutral and Earth wires

Double insulation

Earthing

Fuses and circuit breakers

Power

Example of a fuse in action

Ultrasound
p.s - think slinky!

Applications of ultrasound

More on ultrasound

Particle motion in waves

Radioactivity

Alpha emission

Beta emission

Half-life

calculations involving half-life

background radiation

Tracers

S

Carbon dating

R

Treating cancer

Tracers

Producing electricity

Fission

Fusion

Small scale nuclear fission

large scale nuclear Fission

Nuclear Fusion

cold fusion