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Mock IGCSE Coordinated science Physics section P1: THE STRENGTH OF SOLIDS • Hookes law – including calculations • Moments – calculations • Why things balance – “The Principle of Moments” • Vectors – including adding vectors using diagrams ( The parallelogram law) P2: PARTICLES IN MOTION • Describe the particle theory of matter • Explain how motion of particles depends on temperature. • Use the Kelvin temperature scale • Explain evaporation, diffusion and changes of state using particle theory. • Calculate density and know how to use eureke cans • Relate pressure , temperature and volume for a gas. P3: MOTION • • • • Understand speed, time and acceleration. Carry out simple calculations (v = at and s = ½ at2) Plot and interpret graphs of speed/ time and distance/ time • Know the difference between speed and velocity P4: FORCE AND MOTION • • • • Force is measured in Newtons Carry out calculations using F=Ma Understand balanced and unbalanced forces Understand friction and air resistance P5: ENERGY TRANSFER • • • • • Work = force x distance Pressure = force / area Understand energy transfer Understand hydraulic systems Discuss efficiency and wasted energy P6: TRANSFERRING ENERGY BY HEATING • Understand conduction, convection and radiation • Use specific heat capacity in calculations • Understand latent heat • Write about energy conservation P7: USING ELECTRICITY • • • • Draw simple circuits Use ammeters and voltmeters Understand electric current and coulombs Understand the dangers of electricity P8: ENERGY AND ELECTRICITY • Explain voltage and potential difference • Calculate power in a circuit (P= V I ) • Understand resistance and Ohm’s law (graphs and calculations) • Calculate total resistance of resistors in series and parallel • Describe the factors that affect the resistance of a wire P9: WAVES • Know how to draw transverse and longitudinal waves • Understand amplitude, frequency and wavelength • Carry out calculations (wave speed = • wavelength × frequency) P10: LIGHT AND SOUND • Understand reflection and refraction for light and sound (including echoes and sonar) • Identify real and virtual images from a lens • Draw optical fibres • Know about audible and non audible frequencies (including the range of frequencies a human can hear) • Know about how sound can damage hearing. P11: MAKING USE OF WAVES • Know about the EMS (inc. radio, microwave, infra-red, ultraviolet and X-rays) • Know how colour and frequency are related • Know the primary and secondary colours for light • Know how a prism can split light into colours (ROYGBIV) • Know about waves during earthquakes) P12: KINETIC ENERGY AND MOMENTUM • Define KE and momentum and be able to do calculations. • Understand how “conservation of momentum” can be applied P12: KINETIC ENERGY AND MOMENTUM • Know the difference between mass and weight • Explain how objects can orbit the Earth • Write about objects falling to Earth (especially men with parachutes) • Know the value of g on Earth P14: MAGNETISM AND ELECTRICITY • • • • • • Know which materials magnets affect Know that the Earth has a magnetic field Draw magnetic fields Describe an electromagnet Draw a dynamo and an electric motor Know how to make a current using a magnetic field • Know about the force on a current in a magnetic field • Describe how a relay works P18: ENERGY RESOURCES • Know and describe renewable and non renewable energy resources • Understand (and calculate efficiency) P19: ENERGY DISTRIBUTION • Know about fuels and electricity generation • Know how transformers are used in the National Grid • Carry out calculations with transformers • (Vp / Vs = Np / Ns)