ocr: ELECTRICITY HEATING ROEL - ELEMENT 4 - : PTT Electric current is the movement of electrons around a circuit. As they move, they bump into atoms in the wires that make up the circuit, turning some oftheir kinetic energy (energy of movement) - into heat.
(.png)
(Dorling Kindersley).iso/principl/qhea/qhea4x.dib/qhea4x.png)