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Physics Year 10 Combined LPP Content Describe the structure of an atom including, electrons, protons and neutrons, nucleus and shells. Compare the charge and mass of protons, neutrons, electrons and positrons. Explain what an isotope is with examples. Explain what happens when an electron absorbs or emits electromagnetic radiation Explain how an atom can become a positive ion. Describe what is meant by radioactive decay. Describe and explain the structure and properties of alpha, beta and gamma. Compare and contrast alpha beta and gamma including ionising and penetrating ability. Describe and explain the process of alpha decay - Radioactivity Describe and explain the process of beta + decay Describe and explain the process of beta - decay Describe and explain the process of gamma decay Balance nuclear equations to show radioactive decay Define half-life and recall the unit of radioactivity Use half- life to carry out simple calculations Describe what is meant by background radiation Describe the origins of background radiation Describe methods for measuring and detecting radioactivity. Describe how smoke alarm works using alpha Describe how thickness of paper is controlled by beta Describe how gamma is used in irradiating food, sterilising equipment and diagnosing and treating cancer. Describe the dangers of ionising radiation. Explain safety precautions of hospital workers. Describe the difference between contamination and irradiation. Compare the hazards of irradiation and contamination. Describe the structure of the atom including mass and charge of its parts. Draw series and parallel circuits using circuit symbols. Describe the difference between series and parallel circuits including current and voltage. Explain how ammeters and voltmeters are connected. Define current and potential difference. Explain how resistance changes the current. Explain the net resistance in series and in parallel. Circuits Calculate, charge, current, voltage, resistance, energy, power. Explain current voltage graphs for fixed resistors, diodes and filament bulbs. Explain how and LDR and thermistor works. Explain the heating effect and describe the advantages and disadvantages of it. Define power and recall its unit. Define direct and alternating current and explain the difference. Recall the frequency and voltage of alternating current. Explain the difference between the live and neutral wire in a plug. Explain the function of earth wires, fuses and circuit breakers. Explain why switches and fuses should be connected in the live wire of a domestic circuit. Explain the dangers of connecting the live wire and earth wire. Explain how electric fields help explain static. Recall how unlike and like magnetic poles behave. Describe the uses of permanent and temporary magnetic materials. Explain the difference between permanent and induced magnets. Describe the shape, direction and strength of magnetic fields around magnets. Describe the use of plotting compasses to show magnetic fields. Explain how a compass can tell you that the Earth’s core is magnetic. Explain how a current can create a magnetic effect in a long conductor. Magnetism and EM Explain magnetic field lines in a solenoid. Explain how a force is exerted in a current carrying conductor. Recall and use Flemings Left hand rule. Calculate the force on a conductor. Explain how force on a conductor in a magnetic field can cause rotation in a motor Explain how a current is generated in a generator. Recall the factors that affect the size and direction of the induced p.d. Explain how EM induction is used in alternators in alternators and dynamos. Explain how a transformer works and the uses of step up and down transformers Use the turns ratio equation or a transformer. Explain why electricity is transmitted at high voltages Use kinetic theory to explain the three different states of matter. Recall and apply the density equation. Explain the difference in density between the states of matter. Explain changes of state in terms of conservation of mass. Explain how heating a system will change the state. Define specific heat capacity and specific latent heat. Calculate specific heat capacity and latent heat. - Particle Model Explain ways of reducing unwanted energy transfer through thermal insulation. Explain the pressure of a gas in terms of the motion of its particles. Explain how changes in temperature can change pressure in a gas. Describe absolute zero and convert between Celsius and kelvin. Explain compression and expansion in terms of pressure. Explain the effect of changing the volume of a gas on the pressure (at a constant temperature) Calculate pressure or volume at a constant temperature. Recall that the pressure in fluids causes a force to any surface. Explain how pressure is related to force and area, using examples. Recall and calculate pressure with units. Describe and explain how pressure in fluids increases with depth and density. Calculate the pressure due to a column of liquid. Explain why an object in a fluid is subject to an upwards force and relate it to examples that are fully and partially immersed. Explain how factors influence whether an object will float or sink. Describe how objects can interact at a distance without contact and interact by contact. Describe how objects can interact producing pairs of forces. – Forces and Energy Explain the difference between vectors and scalar quantities. Use vector diagrams to illustrate resolution of forces, a net force and equilibrium situations. Draw and use free body diagrams. Describe situations where forces can cause rotation. Recall and calculate moment of a force. Explain how levers and gears work. Explain how lubrication can reduce unwanted energy transfer. Explain that stretching, bending, and compressing require more than one force. Describe the difference between elastic and inelastic distortion. Recall and apply the energy transferred in stretching equation. Describe the difference between linear and non-linear relationships between force and extension.