Specification points
Edexcel GCSE Physics 1PH0
311 points in 15 topics, with Edexcel's codes and titles.
Grade boundaries·Edexcel command words
Codes and titles are read by a script from Edexcel's published specification and have not been checked by a person. What each point covers is in the specification itself: Edexcel’s specification.
1 Key concepts of physics
2 Motion and forces
- 2.1 Scalar quantities
- 2.2 Vector quantities
- 2.3 Vectors and scalars compared
- 2.4 Examples of vector and scalar quantities
- 2.5 Velocity as speed in a direction
- 2.6 Speed, distance and time
- 2.7 Distance-time graphs
- 2.8 Acceleration
- 2.9 Equation for uniform acceleration
- 2.10 Velocity-time graphs
- 2.11 Laboratory methods for measuring speed
- 2.12 Typical everyday speeds
- 2.13 Acceleration in free fall
- 2.14 Newton's first law
- 2.15 Newton's second law
- 2.16 Weight, mass and gravitational field strength
- 2.17 Measuring weight
- 2.18 Weight and gravitational field strength
- 2.19 Core practical: force, mass and acceleration
- 2.20 Changing velocity in circular motion
- 2.21 Centripetal force
- 2.22 Inertial mass
- 2.23 Newton's third law
- 2.24 Momentum
- 2.25 Momentum in collisions
- 2.26 Force as rate of change of momentum
- 2.27 Measuring reaction times
- 2.28 Thinking and braking distance
- 2.29 Factors affecting stopping distance
- 2.30 Factors affecting reaction time
- 2.31 Dangers of large decelerations
- 2.32P Emergency stopping distance and speed
- 2.33P Braking distance and initial velocity squared
3 Conservation of energy
- 3.1 Change in gravitational potential energy
- 3.2 Kinetic energy
- 3.3 Energy transfer diagrams
- 3.4 Meaning of conservation of energy
- 3.5 Changes in energy stores
- 3.6 No net energy change in a closed system
- 3.7 Wasteful mechanical processes
- 3.8 Energy dissipation
- 3.9 Reducing unwanted energy transfers
- 3.10 Wall thickness, conductivity and cooling
- 3.11 Efficiency
- 3.12 Increasing efficiency
- 3.13 Energy resources
- 3.14 Patterns and trends in energy use
4 Waves
- 4.1 Waves transferring energy and information
- 4.2 Evidence that waves, not matter, travel
- 4.3 Frequency and wavelength
- 4.4 Amplitude, period, wave velocity and wavefront
- 4.5 Longitudinal and transverse waves
- 4.6 Wave speed equations
- 4.7 Measuring speed of sound and water ripples
- 4.8P Calculating depth or distance from wave velocity
- 4.9P Waves at material interfaces
- 4.10 Refraction at a boundary
- 4.11 Wavelength-dependent behaviour of materials
- 4.12P Sound waves and vibrations in solids
- 4.13P Ultrasound
- 4.14P Infrasound
- 4.15P Uses of ultrasound and infrasound
- 4.16P Sound waves changing medium
- 4.17 Core practical: measuring waves in a solid and a fluid
5 Light and the electromagnetic spectrum
- 5.1P Reflection, refraction and total internal reflection
- 5.2P Specular and diffuse reflection
- 5.3P Colour, absorption and filters
- 5.4P Power of a lens
- 5.5P Converging and diverging lenses
- 5.6P Real and virtual images from lenses
- 5.7 Electromagnetic waves as transverse waves
- 5.8 Electromagnetic waves transferring energy
- 5.9 Core practical: refraction in glass blocks
- 5.10 Groups of the electromagnetic spectrum
- 5.11 The continuous electromagnetic spectrum
- 5.12 Limited range of the eye
- 5.13 Materials and electromagnetic waves
- 5.14 Different velocities in different substances
- 5.15P Emission of radiation and temperature
- 5.16P Constant temperature and radiation balance
- 5.17P Imbalance of radiated and absorbed power
- 5.18P Radiation balance and Earth's temperature
- 5.19P Core practical: surfaces and thermal radiation
- 5.20 Danger increasing with frequency
- 5.21 Harmful effects of electromagnetic radiation
- 5.22 Uses of electromagnetic radiation
- 5.23 Radio waves and electrical oscillations
- 5.24 Changes in atoms and nuclei and radiation
6 Radioactivity
- 6.1 Structure of the atom
- 6.2 Size of atoms and small molecules
- 6.3 Nuclei of isotopes
- 6.4 Nuclear charge and isotopes
- 6.5 Relative masses and charges of particles
- 6.6 Neutral atoms
- 6.7 Electron orbits
- 6.8 Electrons changing orbit
- 6.9 Positive ions from losing electrons
- 6.10 Radiation from unstable nuclei
- 6.11 Ionising radiations
- 6.12 Background radiation
- 6.13 Sources of background radiation
- 6.14 Detecting radioactivity
- 6.15 Nature of alpha, beta and gamma radiation
- 6.16 Penetration and ionisation of alpha, beta and gamma
- 6.17 Development of the atomic model
- 6.18 Beta minus decay
- 6.19 Beta plus decay
- 6.20 Effects of decay on atomic and mass numbers
- 6.21 Gamma emission after decay
- 6.22 Balancing nuclear equations
- 6.23 Decrease in activity over time
- 6.24 The becquerel
- 6.25 Half-life
- 6.26 Random decay and predictable half-life
- 6.27 Half-life calculations
- 6.28P Uses of radioactivity
- 6.29 Dangers of ionising radiation
- 6.30P Half-life and radiation dangers
- 6.31 Radiation safety precautions
- 6.32 Contamination and irradiation
- 6.33P Internal and external radiotherapy
- 6.34P Radioactive substances in medical diagnosis
- 6.35P Producing PET isotopes nearby
- 6.36P Nuclear power: advantages and disadvantages
- 6.37P Nuclear reactions as energy sources
- 6.38P Fission of uranium-235
- 6.39P Controlled chain reactions
- 6.40P Moderators and control rods
- 6.41P Generating electricity in a nuclear power station
- 6.42P Radioactive fission products
- 6.43P Nuclear fusion
- 6.44P Fusion and fission compared
- 6.45P Why fusion needs high temperatures and pressures
- 6.46P Difficulty of practical fusion power
7 Astronomy
- 7.1P Weight and g on other bodies in space
- 7.2P Contents of the Solar System
- 7.3P Order of the planets
- 7.4P Changing ideas about the Solar System
- 7.5P Orbits of moons, planets, comets and satellites
- 7.6P Gravity and velocity in circular orbits
- 7.7P Orbital speed and radius
- 7.8P Steady State and Big Bang theories compared
- 7.9P Evidence for the Big Bang
- 7.10P The Big Bang as the accepted model
- 7.11P Moving sources and observed frequency
- 7.12P Red-shift of galaxies
- 7.13P Red-shift and the expanding universe
- 7.14P How both theories explain red-shift
- 7.15P Discovery of the cosmic microwave background
- 7.16P Life cycle of a Sun-like star
- 7.17P Thermal expansion and gravity in stars
- 7.18P Evolution of massive stars
- 7.19P Changing methods of observing the Universe
8 Energy – forces doing work
- 8.1 Changes in energy stores
- 8.2 Energy transfer diagrams
- 8.3 No net energy change in a closed system
- 8.4 Ways of changing a system's energy
- 8.5 Measuring work done
- 8.6 Work done equation
- 8.7 Energy changes from work done by forces
- 8.8 Change in gravitational potential energy
- 8.9 Kinetic energy
- 8.10 Energy dissipation
- 8.11 Wasteful mechanical processes
- 8.12 Power as rate of energy transfer
- 8.13 Power equation
- 8.14 The watt
- 8.15 Efficiency
9 Forces and their effects
- 9.1 Contact and non-contact forces
- 9.2 Vectors and scalars with examples
- 9.3 Vector diagrams of forces
- 9.4 Free body force diagrams
- 9.5 Resultant forces and equilibrium
- 9.6P Forces causing rotation
- 9.7P Moment of a force
- 9.8P Principle of moments
- 9.9P Levers and gears
- 9.10 Reducing energy transfer by lubrication
10 Electricity and circuits
- 10.1 Protons, neutrons and electrons
- 10.2 Circuit diagrams and symbols
- 10.3 Series and parallel circuits
- 10.4 Using a voltmeter
- 10.5 Potential difference as energy per charge
- 10.6 Energy, charge and potential difference
- 10.7 Using an ammeter
- 10.8 Current as rate of flow of charge
- 10.9 Charge, current and time
- 10.10 Current in a closed circuit
- 10.11 Current at junctions
- 10.12 Resistance and current; variable resistors
- 10.13 Potential difference, current and resistance
- 10.14 Resistors in series and parallel
- 10.15 Calculations in series circuits
- 10.16 Series circuits for testing and measuring
- 10.17 Core practical: current, potential difference and resistance
- 10.18 Current-potential difference graphs for devices
- 10.19 Light-dependent resistors
- 10.20 Thermistors
- 10.21 Circuits to explore resistance of devices
- 10.22 Heating effect in resistors
- 10.23 Electrical energy dissipated as thermal energy
- 10.24 Electron-ion collisions and heating
- 10.25 Low resistance wires reducing energy loss
- 10.26 Heating effect: advantages and disadvantages
- 10.27 Energy transferred by current
- 10.28 Power in watts
- 10.29 Power, energy and time
- 10.30 Power, potential difference and current
- 10.31 Electrical power equations
- 10.32 Energy transfers in domestic devices
- 10.33 Direct and alternating voltage
- 10.34 Direct current
- 10.35 Alternating current
- 10.36 UK domestic supply
- 10.37 Live and neutral wires
- 10.38 Earth wire, fuses and circuit breakers
- 10.39 Switches and fuses in the live wire
- 10.40 Potential differences of mains wires
- 10.41 Dangers of connecting live wire to earth
- 10.42 Power ratings of domestic appliances
11 Static electricity
- 11.1P Charging insulators by friction
- 11.2P Positive and negative charge by electron transfer
- 11.3P Attraction and repulsion of charges
- 11.4P Everyday electrostatic phenomena
- 11.5P Earthing
- 11.6P Uses of electrostatic charges
- 11.7P Dangers of sparking and earthing
- 11.8P Electric fields
- 11.9P Shape of electric fields
- 11.10P Electric fields and static electricity
12 Magnetism and the motor effect
- 12.1 Magnetic poles
- 12.2 Uses of magnetic materials
- 12.3 Permanent and induced magnets
- 12.4 Magnetic fields of bar magnets
- 12.5 Plotting compasses and magnetic fields
- 12.6 Evidence for the Earth's magnetic core
- 12.7 Magnetic field around a straight conductor
- 12.8 Strength of the field around a conductor
- 12.9 Magnetic field of a solenoid
- 12.10 Force on a current-carrying conductor near a magnet
- 12.11 Magnetic forces from interacting fields
- 12.12 Fleming's left-hand rule
- 12.13 Force on a conductor in a magnetic field
- 12.14P Electric motors
13 Electromagnetic induction
- 13.1P Generating current by electromagnetic induction
- 13.2 Factors affecting induced potential difference
- 13.3P Alternators and dynamos
- 13.4P Microphones and loudspeakers
- 13.5 Transformers inducing current
- 13.6 Transformers changing voltage
- 13.7P Transformer turns ratio
- 13.8 High-voltage transmission in the national grid
- 13.9 Step-up and step-down transformers
- 13.10 Transformer power equation
- 13.11P Advantages of high-voltage transmission
14 Particle model
- 14.1 Kinetic theory and states of matter
- 14.2 Density
- 14.3 Core practical: densities of solids and liquids
- 14.4 Density of different states of matter
- 14.5 Conservation of mass in changes of state
- 14.6 Heating, temperature and changes of state
- 14.7 Specific heat capacity and specific latent heat
- 14.8 Specific heat capacity equation
- 14.9 Specific latent heat equation
- 14.10 Reducing energy transfer by thermal insulation
- 14.11 Core practical: properties of water
- 14.12 Gas pressure and particle motion
- 14.13 Temperature and gas pressure
- 14.14 Absolute zero
- 14.15 Kelvin and Celsius scales
- 14.16P Compressing and expanding gases
- 14.17P Gas pressure acting on surfaces
- 14.18P Volume and gas pressure
- 14.19P Pressure and volume at constant temperature
- 14.20P Work done on a gas raising temperature
15 Forces and matter
- 15.1 Forces needed to deform objects
- 15.2 Elastic and inelastic distortion
- 15.3 Spring constant
- 15.4 Energy stored in a stretched spring
- 15.5 Linear and non-linear force-extension
- 15.6 Core practical: extension of a spring
- 15.7P Atmospheric pressure and height
- 15.8P Pressure in fluids
- 15.9P Fluid pressure acting normal to surfaces
- 15.10P Pressure, force and area
- 15.11P Pressure equation
- 15.12P Fluid pressure, depth and density
- 15.13P Why liquid pressure varies with depth
- 15.14P Calculating pressure in liquids
- 15.15P Upthrust
- 15.16P Upthrust and displaced fluid
- 15.17P Floating and sinking