Cambridge IGCSE · 0625

Physics • Notes

1. Motion, forces and energy

• Physical quantities and measurement techniques
• Motion
• Mass and weight
• Density
• Effects of forces
• Turning effect of forces
• Centre of gravity
• Momentum
• Energy stores and transfers
• Work
• Energy resources
• Power
• Pressure

2. Thermal physics

• States of matter and the particle model
• Gases and the absolute scale of temperature
• Thermal expansion
• Specific heat capacity
• Melting, boiling and evaporation
• Conduction
• Convection
• Thermal radiation
• Consequences of thermal energy transfer

3. Waves

• General properties of waves
• Reflection of light
• Refraction of light
• Thin lenses
• Dispersion of light
• Electromagnetic spectrum
• Sound

4. Electricity and magnetism

• Simple phenomena of magnetism
• Electric charge
• Electric current
• Electromotive force and potential difference
• Resistance
• Electrical energy and electrical power
• Circuit diagrams and circuit components
• Series and parallel circuits
• Action and use of circuit components
• Electrical safety
• Electromagnetic induction
• The a.c. generator
• Magnetic effect of a current
• Force on a current-carrying conductor
• The d.c. motor
• The transformer

5. Nuclear physics

• The atom
• The nucleus
• Detection of radioactivity
• The three types of nuclear emission
• Radioactive decay
• Half-life
• Safety precautions

6. Space physics

• The Earth
• The Solar System
• The Sun as a star
• Stars
• The Universe

Paper 6 Skills

• Alternative to Practical