Terms : Hide Images
| 10982928715 | Electrical Power = | current x voltage | 0 | |
| 10982928716 | Voltage = | current x resistance | 1 | |
| 10982928717 | Charge = | current x time | 2 | |
| 10982928718 | Average Speed = | distance / time | 3 | |
| 10982928719 | Acceleration = | Change in Velocity / Time Taken | 4 | |
| 10982928720 | Force = | Mass x Acceleration | 5 | |
| 10982928721 | Pressure Difference = | Height x Density x Gravity | 6 | |
| 10982928722 | Moment = | Force x Perpendicular Distance from Pivot | 7 | |
| 10982928723 | Pressure = | Force / Area | 8 | |
| 10982928724 | Wave Speed = | Frequency x Wavelength | 9 | |
| 10982928725 | Refractive Index = | Sin (I) / Sin (R) | 10 | |
| 10982928726 | Sin (Critical angle) = | 1 / Refractive Index | 11 | |
| 10982928727 | Energy Transfer = | Work Done | 12 | |
| 10982928728 | Work Done = | Force x Distance Moved | 13 | |
| 10982928729 | Efficiency = | Useful Energy Output / Total Energy Input | 14 | |
| 10982928730 | Weight = | Mass x Gravity | 15 | |
| 10982928731 | GPE Potential Energy = | Mass x Gravity x Height | 16 | |
| 10982928732 | Kinetic Energy = | 1/2 x Mass x V^2 | 17 | |
| 10982928733 | Density = | Mass / Volume | 18 | |
| 10982928734 | Distance Time Graphs |  | 19 | |
| 10982928735 | Velocity Time Graphs |  | 20 | |
| 10982928756 | Gravity | Force of attraction between all masses | 21 | |
| 10982928757 | Hookes Law | Extension is directly proportional to force until the spring reaches it's elastic limit | 22 | |
| 10982928758 | Solar Systems | Galaxy = large collection of stars Sun = one of many stars | 23 | |
| 10982928759 | Effects of gravity on planets | Closer you get to a star or a planet the stronger the force of attraction is, so they move quicker in orbit | 24 | |
| 10982928760 | Types of orbit | Moons and planets have slightly elliptical orbits Comets orbit the sun, they have very elliptical orbits | 25 | |
| 10982928761 | Artificial Earth Satellites | Have orbital period of 1 day = geostationary satellites, used for communications | 26 | |
| 10982928736 | Safety features of Plugs |  | 27 | |
| 10982928737 | Filament Lamp |  | 28 | |
| 10982928738 | Wire |  | 29 | |
| 10982928739 | Resistors |  | 30 | |
| 10982928740 | Diodes |  | 31 | |
| 10982928741 | Electric Circuit Symbols |  | 32 | |
| 10982928742 | Light Dependent Resistor (LDR) Diagram |  | 33 | |
| 10982928762 | LDR Explanation | Changes it resistance depending on the amount of light In bright light the resistance decreases In dark light the resistance increases Acts as a light sensor | 34 | |
| 10982928743 | Thermistor Diagram |  | 35 | |
| 10982928763 | Thermistor Explanation | Changes in resistance as temperature changes In hot condition the resistance decreases In cool conditions the resistance increases Acts as temperature detectors | 36 | |
| 10982928764 | Current | Rate of flow of Charge | 37 | |
| 10982928765 | Voltage | Driving force which pushes current (Electrical Power) | 38 | |
| 10982928766 | Resistance | Something which slows down the flow | 39 | |
| 10982928767 | Circuit Rules | Increase voltage = more current will flow Increase resistance = less current will flow | 40 | |
| 10982928768 | Series Circuit | Current the same Voltage = Voltage of all components | 41 | |
| 10982928769 | Parallel Circuit | Current = Current of all components Voltage the same | 42 | |
| 10982928744 | Transverse Wave Diagram |  | 43 | |
| 10982928745 | Longitudinal Wave Diagram |  | 44 | |
| 10982928770 | Examples of Transverse Waves | Electromagnetic Waves Ripple in Water | 45 | |
| 10982928771 | Examples of Longitudinal Waves | Sound + Ultrasound Shock Waves | 46 | |
| 10982928772 | Transverse Wave | Vibrations are at 90° to the direction energy is transferred | 47 | |
| 10982928773 | Longitudinal Waves | Vibrations are parallel to the direction the wave transfers energy | 48 | |
| 10982928774 | Wave Info | All waves transfer energy and information without transferring matter | 49 | |
| 10982928775 | Electromagnetic Waves | Waves have different wavelengths - continuous spectrum All transverse - Travel at same speed through a vacuum | 50 | |
| 10982928746 | Diagram of Electromagnetic Waves |  | 51 | |
| 10982928776 | Uses of Waves | Radio Waves: Communication Microwaves: Satellite Communication Infra-Red Radiation: Heating and monitor temperature Visible Light: Travel though optical fibres + Photography Ultraviolet Light: Fluorescent Lamps X-Rays: See inside things Gamma Rays: Sterilising medical equipment | 52 | |
| 10982928777 | Conduction | Process where vibrating particles pass on their kinetic energy | 53 | |
| 10982928778 | Convection | Particles from their hotter region to the cooler region and take their heat energy with them | 54 | |
| 10982928779 | Dangers of Microwaves | Yeah human body tissue internally | 55 | |
| 10982928780 | Dangers of Infra-Red | Skin Burns - Heating effect | 56 | |
| 10982928781 | Dangers of Ultraviolet | Damage surface cells and causes blindness | 57 | |
| 10982928782 | Dangers of Gamma | Cell mutation and Tissue damage - can cause cancer | 58 | |
| 10982928747 | Virtual Image |  | 59 | |
| 10982928748 | Light Refraction |  | 60 | |
| 10982928749 | Angle of Incidence is less than critical angle |  | 61 | |
| 10982928750 | Angle of Incidence is more than critical angle |  | 62 | |
| 10982928751 | Angle of Incidence is equal to critical angle |  | 63 | |
| 10982928783 | Total internal reflection - Optical fibres | Angle of Incident is always higher than critical angle, light always totally internally reflected - only stops if fibre is to sharp | 64 | |
| 10982928752 | Sankey Diagram |  | 65 | |
| 10982928784 | Power | One Watt = 1 joule of energy transferred per second | 66 | |
| 10982928785 | Human Hearing Range | 20 - 20,000 Hz | 67 | |
| 10982928786 | Renewable Energy | Wind Farms Geothermal Energy Solar Energy Hydroelectric Power | 68 | |
| 10982928787 | Brownian Motion | Small particles have a constant, rapid and random movement - small particles can move larger particles - causes pressure This discovery was proved with the use of pollen grains | 69 | |
| 10982928788 | Absolute 0 - Kelvin Scale | Absolute 0 - atoms have as little kinetic energy as possible Absolute 0 = -273°C 50 Kelvin = -223°C 15°C = 288 Kelvin | 70 | |
| 10982928753 | Uniform Magnetic Field |  | 71 | |
| 10982928789 | Loudspeaker | A.C electrical signals - from amplifier - to coil of wire - wrapped around cone Cone surrounded - permanent magnet - cause a force forwards + backwards Movements = cone vibrate = sound | 72 | |
| 10982928790 | Resistance of LDRs and Thermistors Experiments | Measure current at any know/fixed temp Measure voltage at any known/fixed temp Vary temp and take new readings Calculate and draw voltage - current graph Repete and average | 73 | |
| 10982928791 | Refraction of light experiment | Place block on sheet of paper Draw around the block Turn ray box on and shine beam of light into block use pencil to mark path of light into and out of block Remove the block, measure the angle of refraction Repeat | 74 | |
| 10982928792 | Measuring speed of sound | Person at one end with a pistol Other person at a distance a way from the pistol (e.g 500 metres) Person fires gun People with stopwatches start time when see the smoke from gun and stop when they hear the bang Average the time | 75 | |
| 10982928793 | How temperature effects Gas experiment | Use water bath to vary the temperature Calculate the volume of air in test tube before heating Measure volume of air after heating Use a narrow glass tube with liquid above the air so you can clearly see how it has expanded | 76 | |
| 10982928794 | Investigating the magnetic field experiment | Place sheet of paper on wooded bench (avoid interaction with other magnets) Place magnet on sheet of paper Place plotting compass against the magnet Mark position of compass needle on the paper with a dot Move plotting compass so that the tail of the arrow sits where the tip of the arrow was Repeat process Join dots | 77 | |
| 10982928754 | Marsden experiment Diagram |  | 78 | |
| 10982928795 | Marsden experiment | Alpha particles were detected as tiny flashes of light on screen Most alpha particles went straight thought gold foil A small number deviated as they were repelled Very few alpha particles bounced back because of the dense nucleus | 79 | |
| 10982928796 | Conclusion of Marsdens experiment | Most of atom is empty space Nucleus is small Nucleus is dense Nucleus is positive | 80 | |
| 10982928755 | Flemmings Left hand rule |  | 81 |
