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IGCSE Physics

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IGCSE Physics (0625) has six topics: motion, forces and energy; thermal physics; waves; electricity and magnetism; nuclear physics; space physics.

Check your tier first. Papers exist for six components, and which you sit depends on whether you are entered for Core or Extended. Extended-only content is a large part of the syllabus and is wasted revision if you are on Core.

The commonest lost marks are the cheapest to fix: missing units, the wrong number of significant figures, and answers that give a number without the formula that produced it. Definitions are marked against exact wording — learn them as written, not as remembered.

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Past Papers
  • 1

    Motion, forces and energy

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    • 1.1 Measurement 测量
    • 1.2 Motion 运动
    • 1.3 Mass and weight
    • 1.4 Density 密度
    • 1.5 Forces
    • 1.6 Momentum
    • 1.7 Energy, work and power
    • 1.8 Pressure 压强
    • 1.8 Exam tips
  • 2

    Thermal physics

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    • 2.1 States of matter 物态
    • 2.1 The kinetic particle model 分子动理论
    • 2.2 Thermal expansion 热膨胀
    • 2.2 Internal energy and specific heat capacity
    • 2.2 Melting, boiling and evaporation
    • 2.3 Transfer of thermal energy 热能传递
    • 2.3 Exam tips
  • 3

    Waves

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    • 3.1 General properties of waves
    • 3.2 Light 光
    • 3.3 The electromagnetic spectrum 电磁波谱
    • 3.4 Sound 声音
    • 3.4 Exam tips
  • 4

    Electricity and magnetism

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    • 4.1 Magnetism
    • 4.2 Static electricity
    • 4.2 Electric current
    • 4.2 E.m.f. and potential difference
    • 4.2 Resistance
    • 4.2 Electrical energy and power
    • 4.3 Circuits
    • 4.4 Electrical safety
    • 4.5 Electromagnetic effects
    • 4.5 Exam tips
    • 4.1 4.2 4.3 4.4 4.5 Worked practice and source grounding
  • 5

    Nuclear physics

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    • 5.1 The atom
    • 5.1 Inside the nucleus
    • 5.2 Radioactivity
    • 5.2 The three types of radiation
    • 5.2 Decay equations
    • 5.2 Half-life
    • 5.2 Uses of radioactivity
    • 5.2 Safety
    • 5.2 Exam tips
  • 6

    Space physics

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    • 6.1 The Earth, the Sun and the Moon
    • 6.1 Orbital speed
    • 6.1 The Solar System
    • 6.1 How the Solar System formed
    • 6.2 The Sun as a star
    • 6.2 Stars, galaxies and the Universe
    • 6.2 The life cycle of a star
    • 6.2 The expanding Universe
    • 6.2 Exam tips

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IGCSE, A-Level & AP