What is electric current? Keywords: Current, Static electricity, Earthing, electrostatic charge, nucleus Keywords: Protons, neutrons, electrons, induction, discharge, coulombs, amperes. P2 Topic 1: Static and current electricity This topic looks at: What causes static electricity The uses and dangers of static electricity What is an electric current. Explain what happens before lightening, during and after in terms of charges Label the atom Using ideas of induction explain how a balloon sticks to a wall Polythene and acetate rods charge differently, explain what has moved… ChargeRelative mass Proton Neutron Electron What is direct current? Charge (coulombs, C) = x Q = I x t where Q = I = t = How is static used to spray paint cars? Define the terms: Earthing Discharged

V = I × R what does this formula mean and what are the units? Keywords: Current, ammeter, in series, series circuit, parallel circuit, voltmeter Keywords: potential difference, resistance, ohms, filament lamps, diodes, thermistors, LDR’s, power P2 Topic 2: Controlling and using electric currents This topic looks at: How we measure current and voltage The relationship between voltage, current and resistance How the resistance of a circuit be changed How energy is transferred Draw and annotate how current varies with potential difference diodes Draw and annotate current varies with potential difference for fixed resistors Draw and annotate how current varies with potential difference filament lamps Draw a simple series circuit with an ammeter in place Draw a circuit with a voltmeter connected P = I × V what does this formula mean and what are the units? I V I V I V E = I × V × t what does this formula mean and what are the units? HIGHER what is potential difference and what are the units? Explain how changing the resistance in a circuit changes the current and how this can be achieved using a variable resistor

Define the following: Velocity = Speed = Acceleration = Keywords: Current, ammeter, in series, series circuit, parallel circuit, voltmeter Keywords: potential difference, resistance, ohms, filament lamps, diodes, thermistors, LDR’s, power P2 Topic 3:Motion and Forces This topic looks at: Velocity Acceleration Distance-time graphs and Velocity-time graphs Action-reaction pairs Resultant Force What is a vector? Explain the difference between distance and displacement. Interpret the graph Gradient = speed (m/s) A = constant speed B = C = D = d v-u Interpret the graph Gradient = acceleration (m/s 2 ) A = accelerating B = C = D= Gradient =

What is the difference between mass and weight? What is the value of gravitational field strength on Earth? What is the definition of a force? What are balanced forces and when do they occur? What are unbalanced forces and when do they occur? Keywords: Current, ammeter, in series, series circuit, parallel circuit, voltmeter Keywords: potential difference, resistance, ohms, filament lamps, diodes, thermistors, LDR’s, power P2 Topic 3:Motion and Forces This topic looks at: Velocity Acceleration Distance-time graphs and Velocity-time graphs Action-reaction pairs Resultant Force What is terminal velocity? Calculate the resultant force abcde Force (Newtons, N) Mass (kilograms, kg) Acceleration (meters/second squared, m/s 2 ) Using the formula F=ma, fill in the table On the moon in 1971, astronaut David Scott dropped a feather and a hammer at the same time, explain what happened and why When there is a resultant force acting on an object, the object will accelerate in the ………………….. of the resultant force. The size of acceleration depends upon two things: 1. 2.

Keywords: seat belt, airbag, crumple zones, gravitational potential, kinetic Keywords: Work, power, momentum, vector quantity, stopping distances, braking distances, thinking distances P2 Topic 4: Momentum, energy, work and power This topic looks at: Stopping distances Momentum Vehicle Safety Work and Power Potential and Kinetic energy Define the terms: Stopping Distance Thinking Distance Braking Distance Vector Quantity Calculate the kinetic energy of the van. When the car stops, what type of energy is the kinetic energy transferred into? What is the momentum of the van? momentum (kg m/s) = mass (kg) × velocity (m/s) kinetic energy = ½ x mass x velcoity 2 What type of energy is the potential energy changed into when the skateboarder leaves the top of the ramp? The ramp is 5m high and the skateboarder is 50Kg. Calculate her potential energy. The boy pushes the crate 20m across the floor. Calculate the work done. What is the unit for energy? What safety/protective features are vehicles fitted with and how do they affect the rate of momentum?

Keywords: Ionising radiation, ion, radioactive, nuclear reactors, control rods Keywords: alpha, beta, gamma, nuclear fission, nuclear fusion P2 Topic 5: Nuclear Fission and nuclear fusion This topic looks at: Isotopes Ionising Radiation Nuclear Reactions – Fission and Fusion How nuclear reactors work Define the term isotope: Provide the number of protons, electrons and neutrons for each of these isotopes of chlorine Label the atom What are the particles in the nucleus called? LABEL THE POWER STATION DIAGRAM What do the control rods do?

Keywords: Ionising radiation, ion, radioactive, nuclear reactors, control rods Keywords: alpha, beta, gamma, nuclear fission, nuclear fusion P2 Topic 5: Nuclear Fission and nuclear fusion This topic looks at: Isotopes Ionising Radiation Nuclear Reactions – Fission and Fusion How nuclear reactors work Structure Ionising StrengthPenetrating power What is an ion? What is ionising radiation? What is a radioactive substance? Explain nuclear fission (use diagrams):Explain nuclear fusion (use diagrams): Put the following steps in the correct order to explain how a nuclear power station works: a. Reactor contains nuclear fuel rods b. Electricity is produced c.Turbine spins the generator d. This produces a lot of heat which boils water in nearby pipes. e. In the heat exchange water boils to form steam, it moves turbines f. Electricity sent to the National Grid

Keywords: Hazard, risk, mutation, background radiation Keywords: Half-life, GM Tube, count rate, radioactive decay, HLW, LLW, ILW, nuclear power P2 Topic 6: Benefits and drawbacks of using radioactive materials This topic looks at: The changing ideas of radioactivity What happens to nuclear waste Half-life Background Radiation Uses of radiation How did each of these scientists contribute to our understanding of radiation? Henri Becquerel: Marie Curie: Ernest Rutherford: Explain what half-life is: Fill in this table assuming there is a 10% decay every hour: Time from start (hours) No. of unstable atoms No, of unstable atoms that decay in the next hour What is the main cause of background radiation in the UK? How is the radioactivity of a source measured? What does the term count rate mean? Method of disposalProblems Firing into space Dumping barrels in the sea Storage underground HLW – ILW – LLW -

Keywords: Hazard, risk, mutation, background radiation Keywords: Half-life, GM Tube, count rate, radioactive decay, HLW, LLW, ILW, nuclear power P2 Topic 6: Benefits and drawbacks of using radioactive materials This topic looks at: The changing ideas of radioactivity What happens to nuclear waste Half-life Background Radiation Uses of radiation What is the half-life of the following isotopes and what ionising radiation do they emit? Uranium-235 Technetium-99 Carbon-14 Radon-222 Thallium-208 Stronium-90 Define the term Irradiating Explain the difference between irradiated and radioactive: What are the benefits and drawbacks of irradiating food? BenefitsDrawbacks How can gamma rays be used to help diagnose and treat cancer? Describe the uses of radioactivity in household smoke alarms