Physics key terms A-E 2.0 / 5 based on 1 rating ? PhysicsKey TermGCSEAQA Created by: Ben MillerCreated on: 10-04-18 11:20 Acceleration Change of velocity per second 1 of 17 Alternating Current (AC) Electric current in a circuit that repeatedly changes direction 2 of 17 Amplitude The height of a wave crest from trough to its rest position 3 of 17 Braking Distance The distance travelled by a vechile during the time that the brakes act 4 of 17 Conductor Material or object that conducts 5 of 17 Convection Transfer of energy by the bulk movement in a heated fluid 6 of 17 Convection Current The circular motion of matter caused by the heating in fluids 7 of 17 Deceleration Change of velocity per second when an object slows down 8 of 17 Diffraction The spreading of waves when they pass through a gap or around the edges of an obstacle that has a similar size as the wavelength of the waves 9 of 17 Diode Electrical device that allows current flow in one direction 10 of 17 Direct Current (DC) Electric current in a circuit that is in one direction only 11 of 17 Elastic Potential Energy Energy stored in an elastic object when work is done to change its shape 12 of 17 Electrical Energy Energy transferred by the movement of electrical charge 13 of 17 Electron A tiny particle with a negative charge, electrons orbit the nucleus in atoms or ions 14 of 17 Emit Give out radiatiom 15 of 17 Equilibrium The state of an object when it is at rest 16 of 17 Evaporation Turning from a liquid to a vapour 17 of 17
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