stuart2022-11-29T15:19:50+00:006.06 practical: investigate the magnetic field pattern for a permanent bar magnet and between two bar magnets
stuart2022-11-29T15:00:26+00:003.17 practical: investigate the refraction of light, using rectangular blocks, semi-circular blocks and triangular prisms
stuart2022-11-29T15:48:25+00:008.01 use the following units: kilogram (kg), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s), newton/kilogram (N/kg)
stuart2022-11-29T15:43:54+00:007.19 know that the fission of U-235 produces two radioactive daughter nuclei and a small number of neutrons
stuart2022-11-29T15:43:41+00:007.18 understand how a nucleus of U-235 can be split (the process of fission) by collision with a neutron, and that this process releases energy as kinetic energy of the fission products
stuart2022-11-29T15:43:29+00:007.17 know that nuclear reactions, including fission, fusion and radioactive decay, can be a source of energy
stuart2022-11-29T15:43:06+00:007.16 describe the dangers of ionising radiations, including: that radiation can cause mutations in living organisms, that radiation can damage cells and tissue, the problems arising from the disposal of radioactive waste and how the associated risks can be reduced.
stuart2022-11-29T15:42:34+00:007.12 know the definition of the term half-life and understand that it is different for different radioactive isotopes
stuart2022-11-29T15:42:15+00:007.10 explain the sources of background (ionising) radiation from Earth and space
stuart2022-11-29T15:41:48+00:007.06 practical: investigate the penetration powers of different types of radiation using either radioactive sources or simulations
stuart2022-11-29T15:41:27+00:007.05 describe the nature of alpha (α) particles, beta (β−) particles, and gamma (γ) rays, and recall that they may be distinguished in terms of penetrating power and ability to ionise
stuart2022-11-29T15:41:02+00:007.04 know that alpha (α) particles, beta (β−) particles, and gamma (γ) rays are ionising radiations emitted from unstable nuclei in a random process
stuart2022-11-29T15:24:58+00:007.03 know the terms atomic (proton) number, mass (nucleon) number and isotope
stuart2022-11-29T15:24:49+00:007.02 describe the structure of an atom in terms of protons, neutrons and electrons and use symbols such as 146C to describe particular nuclei
stuart2022-11-29T15:23:30+00:007.01 use the following units: becquerel (Bq), centimetre (cm), hour (h), minute (min) and second (s)
stuart2022-11-29T15:23:13+00:006.14 describe how the force on a current-carrying conductor in a magnetic field changes with the magnitude and direction of the field and current
stuart2022-11-29T15:22:32+00:006.13 use the left-hand rule to predict the direction of the resulting force when a wire carries a current perpendicular to a magnetic field
stuart2022-11-29T15:22:21+00:006.12 understand why a force is exerted on a current-carrying wire in a magnetic field, and how this effect is applied in simple d.c. electric motors and loudspeakers
stuart2022-11-29T15:21:48+00:006.08 know that an electric current in a conductor produces a magnetic field around it
stuart2022-11-29T15:20:00+00:006.07 describe how to use two permanent magnets to produce a uniform magnetic field pattern
stuart2022-11-29T15:17:53+00:005.20 Explain, for a fixed amount of gas, the qualitative relationship between: pressure and volume at constant temperature, pressure and Kelvin temperature at constant volume.
stuart2022-11-29T15:17:15+00:005.19 know that the Kelvin temperature of a gas is proportional to the average kinetic energy of its molecules
stuart2022-11-29T15:16:56+00:005.18 understand why an increase in temperature results in an increase in the average speed of gas molecules
stuart2022-11-29T15:16:24+00:005.17 describe the Kelvin scale of temperature and be able to convert between the Kelvin and Celsius scales
stuart2022-11-29T15:16:08+00:005.16 understand why there is an absolute zero of temperature which is –273 °C
stuart2022-11-29T15:15:53+00:005.15 explain how molecules in a gas have random motion and that they exert a force and hence a pressure on the walls of a container
stuart2022-11-29T15:15:14+00:005.06 understand how the pressure at a point in a gas or liquid at rest acts equally in all directions
stuart2022-11-29T15:14:23+00:005.01 use the following units: degree Celsius (°C), Kelvin (K), joule (J), kilogram (kg), kilogram/metre3 (kg/m3), metre (m), metre2 (m2), metre3 (m3), metre/second (m/s), metre/second2 (m/s2), newton (N) and pascal (Pa)
stuart2022-11-29T15:13:57+00:004.17 use the relationship between power, work done (energy transferred) and time taken:
stuart2022-11-29T15:13:32+00:004.16 describe power as the rate of transfer of energy or the rate of doing work
stuart2022-11-29T15:13:21+00:004.15 understand how conservation of energy produces a link between gravitational potential energy, kinetic energy and work
stuart2022-11-29T15:12:52+00:004.13 know and use the relationship between gravitational potential energy, mass, gravitational field strength and height: GPE = m × g × h
stuart2022-11-29T15:06:49+00:004.11 know and use the relationship between work done, force and distance moved in the direction of the force: W = F × d
stuart2022-11-29T15:04:19+00:004.05 describe a variety of everyday and scientific devices and situations, explaining the transfer of the input energy in terms of the above relationship, including their representation by Sankey diagrams
stuart2022-11-29T15:04:08+00:004.04 know and use the relationship between efficiency, useful energy output and total energy output:
stuart2022-11-29T15:03:36+00:004.02 describe energy transfers involving energy stores: energy stores: chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic, nuclear and energy transfers: mechanically, electrically, by heating, by radiation (light and sound)
stuart2022-11-29T15:03:24+00:004.01 use the following units: kilogram (kg), joule (J), metre (m), metre/second (m/s), metre/second2 (m/s2), newton (N), second (s) and watt (W)
stuart2022-11-29T15:01:34+00:003.23 know that sound waves are longitudinal waves which can be reflected and refracted
stuart2022-11-29T15:00:49+00:003.20 describe the role of total internal reflection in transmitting information along optical fibres and in prisms
stuart2022-11-29T15:00:12+00:003.15 use the law of reflection (the angle of incidence equals the angle of reflection)
stuart2022-11-29T14:59:53+00:003.14 know that light waves are transverse waves and that they can be reflected and refracted
stuart2022-11-29T14:58:58+00:003.13 explain the detrimental effects of excessive exposure of the human body to electromagnetic waves, including: microwaves: internal heating of body tissue, infrared: skin burns, ultraviolet: damage to surface cells and blindness, gamma rays: cancer, mutation and describe simple protective measures against the risks
stuart2022-11-29T14:58:44+00:003.12 Explain some of the uses of electromagnetic radiations, including: radio waves: broadcasting and communications, microwaves: cooking and satellite transmissions, infrared: heaters and night vision equipment, visible light: optical fibres and photography, ultraviolet: fluorescent lamps, x-rays: observing the internal structure of objects and materials, including for medical applications, gamma rays: sterilising food and medical equipment.
stuart2022-11-29T14:58:29+00:003.11 know the order of the electromagnetic spectrum in terms of decreasing wavelength and increasing frequency, including the colours of the visible spectrum
stuart2022-11-29T14:58:17+00:003.10 know that light is part of a continuous electromagnetic spectrum that includes radio, microwave, infrared, visible, ultraviolet, x-ray and gamma ray radiations and that all these waves travel at the same speed in free space
stuart2022-11-29T14:57:37+00:003.07 use the above relationships in different contexts including sound waves and electromagnetic waves
stuart2022-11-29T14:57:25+00:003.05 know and use the relationship between the speed, frequency and wavelength of a wave: v = f × λ
stuart2022-11-29T14:57:05+00:003.04 know that waves transfer energy and information without transferring matter
stuart2022-11-29T14:56:50+00:003.03 know the definitions of amplitude, wavefront, frequency, wavelength and period of a wave
stuart2022-11-29T14:56:27+00:003.01 use the following units: degree (°), hertz (Hz), metre (m), metre/second (m/s) and second (s)
stuart2022-11-29T14:29:53+00:002.19 calculate the currents, voltages and resistances of two resistive components connected in a series circuit
stuart2022-11-29T14:29:36+00:002.16 know that electric current in solid metallic conductors is a flow of negatively charged electrons
stuart2022-11-29T14:29:07+00:002.13 know and use the relationship between voltage, current and resistance: V = I × R
stuart2022-11-29T14:28:53+00:002.12 know that lamps and LEDs can be used to indicate the presence of a current in a circuit
stuart2022-11-29T14:28:42+00:002.10 describe the qualitative effect of changing resistance on the current in a circuit
stuart2022-11-29T14:28:28+00:002.09 describe how current varies with voltage in wires, resistors, metal filament lamps and diodes, and how to investigate this experimentally
stuart2022-11-29T14:28:18+00:002.08 understand how the current in a series circuit depends on the applied voltage and the number and nature of other components
stuart2022-11-29T14:27:43+00:002.06 know the difference between mains electricity being alternating current (a.c.) and direct current (d.c.) being supplied by a cell or battery
stuart2022-11-29T14:27:26+00:002.04 know and use the relationship between power, current and voltage: and apply the relationship to the selection of appropriate fuses
stuart2022-11-29T14:27:12+00:002.01 use the following units: ampere (A), coulomb (C), joule (J), ohm (Ω), second (s), volt (V) and watt (W)
stuart2022-11-29T14:26:01+00:001.20 describe the factors affecting vehicle stopping distance, including speed, mass, road condition and reaction time
stuart2022-11-29T14:25:47+00:001.19 know that the stopping distance of a vehicle is made up of the sum of the thinking distance and the breaking distance
stuart2022-11-29T14:25:35+00:001.18 know and use the relationship between weight, mass and gravitational field strength: W=mxg
stuart2022-11-29T14:25:22+00:001.17 know and use the relationship between unbalanced force, mass and acceleration : F = M x A
stuart2022-11-29T14:24:22+00:001.12 identify different types of force such as gravitational or electrostatic
stuart2022-11-29T14:23:47+00:001.11 describe the effects of forces between bodies such as changes in speed, shape or direction
stuart2022-11-29T14:23:29+00:001.09 determine the distance travelled from the area between a velocity-time graph and the time axis
stuart2022-11-29T14:23:12+00:001.08 determine acceleration from the gradiend of a velocity-time graph
stuart2022-11-29T14:21:23+00:001.06 know and use the relationship between acceleration, change in velocity and time taken
stuart2022-11-29T14:21:07+00:001.05 practical: investigate the motion of everyday objects such as a toy car or tennis ball
stuart2022-11-29T13:32:19+00:001.04 know and use the relationship between average speed, distance moved and time taken
stuart2022-11-29T13:44:48+00:001.01 use the following units: kilogram (kg), metre (m), metre/second (m/s), metre/second^2(m/s^2), newton (N), second (s) and newton/kilogram(N/kg)