When an electric current flows, the shape of the magnetic field is very similar to the field of a bar magnet. Revision for AQA Physics GCSE, including summary notes, exam questions by topic and videos for each module Instead of boring revision guides, you can now learn with Physics GIFs, practice questions, animations and videos. The equation for efficiency is similar just substitute power for energy: efficiency = \(\frac {useful~output~power}{total~input~power}\). The GCSE Science section of Revision Science covers: Biology GCSE, Chemistry GCSE and Physics GCSE. Topic 8: Efficiency is a measure of how much useful energy is converted. over-exposure to UVA and B damages surface cells and eyes and can cause cancer. Dark skins are not necessarily safer from harm. Privacy, Revision Notes (more topics being uploaded), English Language Videos, Notes and Worksheets. Revision for AQA Physics GCSE, including summary notes, exam questions by topic and videos for each module Summary notes, revision videos and past exam questions by topic for AQA Physics GCSE Topic 1 - Energy Sample exam questions - magnetism and electromagnetism - AQA, Home Economics: Food and Nutrition (CCEA). Advertisement Paper 1. Another way of thinking about this is that for every 100 spent on lighting, 10 is spent on the light and 90 is wasted heating the surroundings. (KE). Past papers are Free GCSE Physics revision materials. UV synthesises vitamin D in skin, controls the endocrine system and is a painkiller. Learn about the properties of magnets and magnetic field lines with BBC Bitesize GCSE Physics. Full coverage of physics revision questions for the current syllabus. Topic 4: Waves. Physics, GCSE. The iron core increases the solenoids magnetic field strength. Past papers are a useful way to prepare for an exam. This is because light bulbs become very hot when they are switched on. Do I have to pay for my membership in full? Written by teachers for teachers and students, The Physics Classroom provides a wealth of resources that meets the varied needs of both students and teachers. Full coverage of physics revision questions for the current syllabus. The field inside a solenoid is strong and uniform. Past exam papers and mark schemes for AQA, CIE, Edexcel, OCR and WJEC Physics GCSEs and IGCSEs Advertisement Paper 1. Below you will find our collection of revision notes and video tutorials. The equation for efficiency is similar just substitute power for energy: efficiency =, \(\frac {useful~output~power}{total~input~power}\), Kinetic and gravitational potential energy - CCEA, Home Economics: Food and Nutrition (CCEA). Topic 8: Read about our approach to external linking. The more energy a device wastes, the less efficient it is. Summary notes, revision videos and past exam questions by topic for AQA Physics GCSE Topic 3 - Particle Model We use cookies to ensure that we give you the best experience on our website. Our tips from experts and exam survivors will help you through. There is a problem with current sunscreens which protect against skin burning from high UVB but give inadequate protection against free radical damage caused by UVA. The strength of the magnetic field is greater: consists of a wire coiled up into a spiral shape. Topic 7: Astronomy. Combined Science (Physics) A (Gateway Science) Paper 11, P1 - P3 and CS7 (PAGs P1- C6) Higher (J250/11) Combined Science (Physics) A (Gateway Science) Paper 12, P4 - P6 and CS7 (PAGs P1- P6) Higher (J250/12) Download Higher Papers - Download Higher Marking Schemes GCSE (9-1) June 2018 OCR Combined Science A (Gateway Science) (J250) Changes for 2022 Information on some of the exam content has been provided to help students focus their revision. These presentations, booklets and exam practice papers are just some of the very best study resources uploaded by teachers for teachers to support students in embedding the learning. The efficiency of a device is a measure of how much of the input energy appears as useful output energy. GCSE (9-1) June 2019 OCR Physics A (Gateway Science) (J249) Physics A (Gateway Science) Paper 1, P1 - P4 and P9 Foundation (J249/01) Download Paper Download Marking Scheme Physics A (Gateway Science) Paper 2, P5 - P8 and P9 Foundation (J249/02) Download Paper Download Marking Scheme. Work done is the same as energy transferred. Past papers are The Physics Classroom serves students, teachers and classrooms by providing classroom-ready resources that utilize an easy-to-understand language that makes learning interactive and multi-dimensional. All moving objects have kinetic energy (KE). This is the Sankey diagram for a typical filament lamp: Efficiency = Dangers: . Topic 1: Key Concepts of Physics. This section includes recent GCSE Physics past papers from AQA, Edexcel, OCR, WJEC, CCEA and the CIE IGCSE. GCSE Science 9-1 revision notes, videos and more for AQA. \(\frac{\text{useful output energy}}{\text{total input energy}}\), efficiency = \(\frac{\text{10}}{\text{100}}\). Click on the links below to find the revision and exam resources you need. Revise energy transfers, wave features and diffraction. There is a problem with current sunscreens which protect against skin burning from high UVB but give inadequate protection against free radical damage caused by UVA. Power is the amount of work done in one second. Summary notes, revision videos and past exam questions by topic for AQA Physics GCSE Topic 3 - Particle Model Learn to calculate wave speed and frequency with BBC Bitesize GCSE Physics. Sign in, choose your GCSE subjects and see content that's tailored for you. 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Summary notes, revision videos and past exam questions by topic for AQA Physics GCSE Topic 6 - Waves This means that 0.1 (or 10 %) of the electrical energy supplied is transferred as light energy. The first block of questions covers double science. GCSE Science 9-1 revision notes, videos and more for AQA. Browse CGPs Secondary 9-1 GCSE and IGCSE Physics books covering Edexcel, AQA, OCR and WJEC. Browse CGPs Secondary 9-1 GCSE and IGCSE Physics books covering Edexcel, AQA, OCR and WJEC. "Students also use the videos during their own study/revision as their first port of call, rarely needing a different explanation." From energy to electricity, forces to fission, delve into this hand-picked collection of GCSE and IGCSE physics revision and assessment resources. Also offering past papers and more for AQA, Edexcel and OCR. Dangers: . Topic 2: Motion and Forces. Topic 2: Motion and Forces. Revise how to calculate work done, gravitational potential energy and kinetic energy with BBC Bitesize GCSE Physics. Learn about the properties of magnets and magnetic field lines with BBC Bitesize GCSE Physics. The Best Alternative to Boring Revision Guides These water molecules become heated> heat food, Any object that radiates heat radiates Infrared Radiation, Infrared Radiation is absorbed by all materials and causes heating, It is used for night vision and security cameras as Infrared Radiation is visible in daytime or night-time, Police use it to catch criminals, army use it to detect enemy. The number one place for you to find everything you need to master GCSE Physics. For the best revision experience, use both the notes and the videos at the same time to help you follow along. Electromagnetism is due to the magnetic fields around electric currents. If you're finding it tough, maybe 1-1 tutoring could help! 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