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Physics
9 sections available · 59 chapters available
Free Physics revision notes for Pearson Edexcel IGCSE students. Each chapter covers a key topic with worked examples and practice prompts you can take straight into the thinka app.
Working as a physicist
Units, quantities and prefixes
Practical investigations and experimental method
Data, graphs and evaluation
Formulae, rearranging and calculations
Forces and motion
Movement and position
Velocity–time graphs and acceleration
Forces, movement and Newton's laws
Stopping distance and falling objects
Hooke's law and elastic behaviour
Momentum and force–time (Paper 2)
Moments and centre of gravity (Paper 2)
Electricity
Units
Mains electricity and electrical safety
Electrical power, energy and fuses
Energy and voltage in circuits
Series and parallel circuits
Current–voltage characteristics and components
Electric charge and electrostatics (Paper 2)
Waves
Properties of waves
Units
Wave speed, frequency and the Doppler effect
The electromagnetic spectrum
Uses and dangers of electromagnetic radiation
Reflection and ray diagrams
Refraction, refractive index and total internal reflection
Sound waves and oscilloscopes (Paper 2)
Energy resources and energy transfers
Energy stores, transfers and conservation
Units
Efficiency and Sankey diagrams
Conduction, convection and radiation
Work and power
Kinetic and gravitational potential energy
Energy resources and electricity generation (Paper 2)
Solids, liquids and gases
Units
Density and pressure
Pressure in liquids and gases
Change of state and the particle model (Paper 2)
Specific heat capacity (Paper 2)
Ideal gas molecules and kinetic theory
Gas laws and the Kelvin scale
Magnetism and electromagnetism
Magnets and magnetic fields
Units
Electromagnetism and electromagnets
The motor effect and the left-hand rule
Electromagnetic induction and generators
Transformers and power transmission (Paper 2)
Radioactivity and particles
Units
Atomic structure, isotopes and nuclear equations
Types of radiation and detection
Activity and half-life
Uses and dangers of ionising radiation
Nuclear fission and reactors
Nuclear fusion
Astrophysics
Motion in the universe
Units
Orbits and orbital speed
Stellar evolution
Star classification and the HR diagram (Paper 2)
Cosmology, red-shift and the Big Bang (Paper 2)
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