# P1: Energy - William Ellis School Equations: Gravitational potential energy Elastic potential energy Kinetic energy Work done Power Power Specific heat capacity Energy efficiency Energy efficiency Lessons: Potential energy Investigating kinetic energy Work done and energy transfer Understanding power Specific heat capacity Dissipation of energy Energy efficiency Using energy resources Global energy supplies P1: Energy Required Practicals: Investigating specific heat capacity Use theories to develop a hypothesis Evaluate a method and suggest improvements Perform calculations to support conclusions Investigating ways of reducing the unwanted energy transfers in a system Use scientific ideas to make a prediction Analyse data to identify trends Evaluate an experimental procedure Key words: Elastic potential energy Gravitational potential energy Gravitational field strength Energy store Kinetic energy Force Work Power Specific heat capacity Energy transferred Conduction Energy dissipation Radiation Thermal conductivity Conservation of energy Energy efficiency Insulation Non-renewable resource Renewable resource Equations: charge flow potential difference power power resistance energy transferred energy transferred Key words: P2: Electricity Required Practicals:

Lessons: Required practical: Investigate, using circuit diagrams to construct circuits, the IV characteristics of a filament lamp, a diode and a resistor at constant temperature Understand how an experiment can be designed to test an idea Evaluate how an experimental procedure can yield more accurate data Interpret and explain graphs using scientific ideas Electric current Series and parallel circuits Investigating circuits Circuit components Control circuits Electricity in the home Transmitting electricity Power and energy transfers Calculating power Key concept: Whats the difference between potential difference and current? Required practical: Use circuit diagrams to set up and check appropriate circuits to investigate the factors affecting the resistance of electrical circuits, including the length of a wire at constant temperature and combinations of resistors in series and parallel Use a circuit to determine resistance Gather valid data to use in calculations Apply the circuit to determine the resistance of combinations of components coulomb parallel potential difference resistance voltmeter parallel circuit series circuit ammeter equivalent resistance filament bulb dependent variable independent variable ohmic conductor current series diode light-dependent resistor (LDR) sensors thermistor earth fuse live neutral National Grid transformer power Equations:

Density Change in thermal energy Thermal energy for a change of state For gases: Pressure P3: Particle model of matter Required Practicals: Lessons: Density Changes of State Internal Energy Specific Heat Capacity Latent Heat Particle Motion in Gases Key Concept: Particle Theory and Changes of State To investigate the densities of regular and irregular solid objects and liquids Interpret observations and data Use spatial models to solve problems Plan experiments and devise procedures Use an appropriate number of significant figures in measurement and calculations Key words: bonds density gas liquid particle model solid significant figures resolution boil changes of state condense conservation of mass freeze melt sublimate internal energy specific heat capacity latent heat specific latent heat specific latent heat of fusion specific latent heat of vaporisation gas pressure randomly fusion matter vaporisation line or curve of best fit range scale Equations: None P4: Atomic Structure Required Practicals: None Lessons: Atomic structure Radioactive decay Nuclear equations Radioactive half-life Hazards and uses of radiation

Irradiation Key concept: Developing ideas for the structure of the atom Key words: atomic number energy level ionise isotope mass number nucleon activity alpha particle becquerel (Bq) beta particle gamma ray neutron radiation nuclear radiation radioisotope random alpha decay beta decay nuclear equation half-life hazard radioactive contamination tracer irradiation mutation peer review atom electron neutron nuclear model nucleus plum pudding model proton ratio net decline Key words: Equations: Speed Average speed Acceleration Uniform motion Weight Resultant force Work done Velocity Pressure Moment Extension Lessons: Forces Speed Acceleration Velocity-time graphs Calculations of motion Heavy or massive? Forces and motion Resultant forces Forces and acceleration Newtons third law Momentum Keeping safe on the road Forces and energy in springs Key concept: Forces and acceleration P5: Forces

Required Practicals: Required practical: Investigating the acceleration of an object Plan an investigation to explore an idea. Analyse results to identify patterns and draw conclusions. Compare results with scientific theory. Required practical: Investigate the relationship between force and the extension of a spring Interpret readings to show patterns and trends. Interpret graphs to form conclusions. Apply the equation for a straight line to the graph. contact force displacement newtons (N) non-contact force scalar vector velocity average speed distance-time graph gradient speed tangent acceleration air resistance ( or drag) deceleration displacement rate of change sketch graph velocity-time graph uniform motion gravitational field strength mass newtonmeter weight balanced forces equilibrium Newtons first law resultant force balanced forces components of a force free-body diagram resultant force resolving a force unbalanced forces gravitational mass inertia inertial mass Newtons second law direct proportion inverse proportion Newtons third law conservation of momentum crumple zones momentum rate of change braking distance reaction time stopping distance thinking distance compression elastic deformation elastic potential energy

extension inelastic deformation limit of proportionality linear non-linear spring constant anomaly mean velocity estimate order of magnitude round Equations: Wave speed Speed Magnification Key words: P6: Waves Required Practicals: Lessons: Describing waves Transverse and longitudinal waves Key concept: Transferring energy or information by waves Measuring wave speeds Reflection and refraction of waves The electromagnetic spectrum Reflection, refraction and wave fronts Gamma rays and X-rays Ultraviolet and infrared radiation Microwaves Radio and microwave communication Required practical: Measuring the wavelength, frequency and speed of waves in a ripple tank and waves in a solid Develop techniques for making observations of waves. Select suitable apparatus to measure frequency and wavelength. Use data to answer questions. Required practical: Investigate how the amount of infrared radiation absorbed or radiated by a surface depends on the nature of that surface Explain reasons for the equipment used to carry out an investigation. Explain the rationale for carrying out an investigation. Apply ideas from an investigation to a range of practical contexts. amplitude frequency hertz time period wavelength compression longitudinal wave rarefaction transverse wave absorb amplitude energy transfer vibration echo echo sounding speed

absorption normal ray diagram reflection refraction transmission electromagnetic waves electromagnetic spectrum longitudinal wave transverse wave visible spectrum wavefront gamma ray radiation dose tracer X-ray infrared radiation ultraviolet radiation emission radiation microwaves radio waves receiver satellite transmitter proportional rearrange an equation subject of an equation substitute Equations: None P7: Electromagnetism Required Practicals: None Key words: Lessons: Magnetism and magnetic forces Compasses and magnetic fields The magnetic effect of a solenoid Calculating the force on a conductor Electric motors Key concept: The link between electricity and magnetism attract induced magnet magnetic field permanent magnet poles repel Earths magnetic field Flemmings left-hand rule motor effect solenoid magnetic flux density tesla (T) split-ring communicator induced potential difference rearrange an equation subject of an equation subsitute

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