Методичне забезпечення

Sankey diagram - a pictorial way to represent energy losses and transfers

Scalar - a quantity that has magnitude but no direction

Schrodinger theory - the theory that determines the wave function of a system

Schwarzschild radius - the distance from the centre of a star where the escape speed is the speed of light

Secondary cell - a rechargeable source of emf

Secondary energy - energy that has been processed in some way so as to make it useful

Series connection - resistances connected one after the other so they take the same current

Simple harmonic motion (SHM) - oscillatory motion in which the acceleration is opposite and proportional to displacement from equilibrium

Simple pendulum - a small mass attached to a fixed length of string that oscillates

Slip rings - conducting rings used to connect the rotating coil of a generator to the external circuit so that ac current is delivered to it