Physics N 0.0 / 5 ? PhysicsKeywordsGCSEAQA Created by: Atlanta and JacobCreated on: 19-11-16 10:29 National Grid The network of cables and transformers used to transfer electricity from power stations to consumers (i.e. homes, shops, offices, factories, etc). 1 of 12 Near point The nearest point to an eye at which an object can be seen in focus by the eye. The near point of a normal eye is 25cm from the eye. 2 of 12 Neutral wire The wire of a mains circuit that is earthed at the local substation so its potential is close to zero. 3 of 12 Neutron A dense particle found in the nucleus of an atom. It is electrically neutral, carrying no charge. 4 of 12 Neutron star The highly compressed core of a massive star that remains after a supernova explosion. 5 of 12 Newton The unit of force (N). 6 of 12 Non-renewable Something that cannot be replaced once it is used up. 7 of 12 Normal Straight line through a surface or boundary perpendicular to the surface or boundary. 8 of 12 North pole North-pointing end of a freely suspended bar magnet or of a magnet compass. 9 of 12 Nuclear fission The process in which certain nuclei (uranium-235 and plutonium-239) split into two fragments releasing energy and two or three neutrons as a result. 10 of 12 Nuclear fusion The process in which small nuclei are forced together so they fuse with each other to form a larger nucleus. 11 of 12 Nucleus The very small and dense central part of an atom, which contains protons and neutrons. 12 of 12
Comments
No comments have yet been made