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GREENSPRINGS SCHOOL LAGOS SCHEME OF WORK PHYSICS YEAR 11 2016/2017 SESSION Term 1 Weeks 1-2 Topics Dangers of electricity continue Contents i. Uses of fuses and circuit breakers. ii. Fuse rating. Magnet and Magnetism, Methods of Magnetisation and Demagnetisation, Temporary and Permanent Magnet, Magnetic field pattern Magnetism 3-4 Magnetic effect of current. Magnetic field pattern in a solenoid, Force on current carrying Force on a currentconductor carrying conductor. Electromagnetic induction and a.c generator. Induced Emf, 8-9 Transformer Principle of a transformer, transformer equation, transmission of electricity 10-11 MOCK EXAMS 5-7 Factors affecting induced EMF, dc and ac generator, dc and ac graphs GREENSPRINGS SCHOOL LAGOS SCHEME OF WORK PHYSICS YEAR 11 2016/2017 SESSION Term 2 Wk s Topics Contents Learning outcomes Methodology/Sugge sted students activities Resources 1-3 Actions and uses of circuit components. Working principles of a potential divider, thermistor, diode, transistors, LDR, LED, V-t graph of electronic componen ts Describe the action of a variable potential divider (potentiomet er). • Describe the action of thermistors and lightdependent resistors and show understandin g of their use as input transducers. • Describe the action of a relay and show understandin g of its use in switching circuits. Describe the action of a diode and Variety of class experiments using circuits with potential dividers, thermistors, capacitors, relays, diodes, lightdependent resistors, transistors etc. IGCSE PHYSICS by Tom Duncan Pgs 194-196, 262-268. Assessment Describe the action of a relay and show understandi www.bbc.co.uk, ng of its use www.s-cool.co.uk, in switching www.skoool.co.uk circuits. https://www.doddlelearn. Describe the co.uk action of a diode and https://www.samlearning. show com understandi ng of its use as a rectifier. Draw and interpret circuit diagrams containing sources, switches, resistors (fixed and variable), heaters, thermistors, light- EWor k show understandin g of its use as a rectifier. • Recognise and show understandin g of circuits operating as lightsensitive switches and temperatureoperated alarms (to include the use of a relay) – (knowledge of transistor is required here) Draw and interpret circuit diagrams containing sources, switches, resistors (fixed and variable), dependent resistors, lamps, ammeters, voltmeters, galvanomete rs, magnetising coils, transformers , bells, fuses and relays. home work, VLE, Test heaters, thermistors, lightdependent resistors, lamps, ammeters, voltmeters, galvanomete rs, magnetising coils, transformers, bells, fuses and relays. Draw and interpret circuit diagrams containing diodes 4-6 Digital Electronics/Lo gic gates and analogue devices Logic gatesAND, OR, NOT, NOR, NAND, Truth table, Logic Explain and use the terms analogue and digital in terms of continuous variation and high/low states. Variety of class experiments using logic gates. PHYSICS FOR YOU by Keith Johnson pgs 336341 www.bbc.co.uk, www.scool.co.uk, www.skoool.co.uk https://www.doddlelearn. Define the term analogue and digital systems. With the aid of labeled diagram, gates combinatio ns Define the analogue and digital systems, states examples, differentiate between digital and analogue systems • Describe the action of NOT, AND, OR, NAND and NOR gates. • Recall and use the symbols for logic gates. • Design and understand simple digital circuits combining several logic gates, as in specialized co.uk describe the action of https://www.samlearning. NOT, AND, com OR, NAND and NOR gates. • Use truth tables to describe the action of NOT, AND, OR, NAND and NOR gates and simple combination s of gates. circuits • Use truth tables to describe the action of individual gates and simple combinations of gates. State the components of logic gates. 7 The nuclear atom and radioactivity Detection of radioactivity Structure of an atom, isotope, Origin of radioactivit y, backgroun d radiation, detection of readioactiv ity Describe the structure of an atom in terms of a positive nucleus and negative electrons. Describe how the scattering of α-particles by thin metal foils provides evidence for the nuclear atom Describe the Describe the composition of the https://www.doddlelearn. nucleus in terms of co.uk protons and https://www.samlearning. neutrons com IGCSE PHYSICS by Tom Duncan Pgs 246-260 State the charges of protons and neutrons • Use the term proton number Z, nucleon number A composition of the nucleus in terms of protons and neutrons • State the charges of protons and neutrons • Use the term proton number Z • Use the term nucleon number A • Use the term nuclide and use the nuclide notation • Use and explain the term isotope State the meaning of nuclear fission and nuclear fusion. • Balance equations • Define the term Isotope State the meaning of nuclear fission and nuclear fusion. involving nuclide notation. Demonstrate understandin g of background radiation and state the origins. • Describe the detection of α-particles, β-particles and γ-rays (β + are not included: βparticles will be taken to refer to β – ) 8-9 Radioactivity continues Characteristic s of the three kinds of emission α, β and γemission, application s of α, β and γemissions, Radioactiv e decay Discuss the random nature of radioactive emission over time and space • Identify α, β and γ- Demonstration of experiments using a Geiger counter, radioactive sources and absorbers (if available). Identify α, β and γemissions https://www.doddlelearn. by recalling – their co.uk nature https://www.samlearning. – their relative com ionising IGCSE PHYSICS by Tom Duncan Pgs 246-260 and its equations, Fission and ussion. Radioactive decay Half-life Safety precautions Half-life, calculation s on hallife emissions by recalling – their nature – their relative ionising effects – their relative penetrating abilities (β+ are not included, βparticles will Class simulation be taken to experiment using refer to β– ). coins, dice or small cubes to produce a Describe graph showing halftheir life characteristics. deflection in electric fields and in magnetic fields • Interpret their relative ionising effects • Give and explain examples of practical applications effects – their relative penetrating abilities Define halflife, Describe how radioactive materials are handled, used and of α, β and γemissions State the meaning of radioactive decay • State that during α- or β-decay the nucleus changes to that of a different element. Use equations involving nuclide notation to represent changes in the composition of the nucleus when particles are emitted. Use the term half-life in simple stored in a safe way calculations, which might involve information in tables or decay curves. Calculate half-life from data or decay curves from which background radiation has not been subtracted. Recall the effects of ionising radiations on living things. • Describe how radioactive materials are handled, used and stored in a safe way