Physics S 0.0 / 5 ? PhysicsKeywordsGCSEAQA Created by: Atlanta and JacobCreated on: 20-11-16 19:51 Sankey diagram An energy transfer diagram. 1 of 23 Series Components connected in a circuit so that the same current that passes through them are in series with each other. 2 of 23 Short sight An eye that cannot focus on distant objects but can focus on near objects. 3 of 23 Simple pendulum A pendulum consisting of a small spherical bob suspended by a thin string from a fixed point. 4 of 23 Socket A mains socket is used to connect the mains plug of a mains appliance to the mains circuit. 5 of 23 Solar cell Electrical cell that produces a voltage when in sunlight; solar cells are usually connected together in solar cell panels. 6 of 23 Solar energy Energy from the Sun. 7 of 23 Solar heating panel Sealed panel designed to use sunlight to heat water running through it. 8 of 23 Solar power tower Tower surrounded by mirrors that reflect sunlight onto a water tank at the top of the tower. 9 of 23 Solid A state of matter. 10 of 23 Sound A form of mechanical energy. 11 of 23 South pole South-pointing end of a freely suspended bar magnet or of a magnetic compass. 12 of 23 Specific heat capacity Energy needed by 1 kg of the substance to raise the temperature by 1°C. 13 of 23 Speed Distance moved ÷ time taken. 14 of 23 Split-ring commutator Metal contacts on the coil of a direct current motor that connects the rotating coil continuously to its electrical power supply. 15 of 23 Star A large ball of gas in space that emits radiation. 16 of 23 Start-up time Time taken for a power station to produce electricity after it is switched on. 17 of 23 Step-down transformer Electrical device that is used to step down the size of an alternating voltage. 18 of 23 Step-up transformer Electrical device that is used to step up the size of an alternating voltage. 19 of 23 Stopping distance Thinking distance + braking distance. 20 of 23 Supergiant A massive star that becomes much larger than a giant star when fusion of helium nuclei commences. 21 of 23 Supernova The explosion of a massive star after fusion in its core ceases and the matter surrounding its core collapses on to the core and rebounds. 22 of 23 Switch mode transformer A transformer that works at much higher frequencies than a traditional transformer. It has a ferrite core instead of an iron core. 23 of 23
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