The mechanics of everything that moves - how to measure it, how to describe it, and what makes it speed up, slow down or stop.
Physical Quantities and Measurement Techniques
Physics starts with measurement, so this topic covers the instruments you use to find a length, a volume and a time, and the methods that make those readings reliable. It...
8 questions · 23 marks
Revise this topicMotion
Motion is the study of how objects move: speed, velocity and acceleration, and the graphs that describe them. This topic covers the equations for speed and acceleration, ...
9 questions · 24 marks
Revise this topicMass and Weight
Mass measures the quantity of matter in an object and is the same everywhere, while weight is the gravitational force on that object and changes with the strength of the ...
9 questions · 25 marks
Revise this topicDensity
Density is the mass per unit volume, and it decides whether an object floats or sinks. This topic covers the density equation, how to measure the density of regularly sha...
9 questions · 25 marks
Revise this topicForces
Forces are pushes and pulls that change the motion, size and shape of objects. This topic covers load-extension graphs and the spring constant, resultant forces and Newto...
9 questions · 29 marks
Revise this topicMomentum
Momentum is the product of mass and velocity, and it is conserved in every collision and explosion where no external resultant force acts. This topic covers the equation ...
9 questions · 29 marks
Revise this topicEnergy, Work and Power
Energy is stored in a small number of ways and transferred between them by forces, currents, heating and waves. This topic covers the seven energy stores, the conservatio...
9 questions · 29 marks
Revise this topicPressure
Pressure is the force acting on each square metre of a surface, and it explains why a sharp knife cuts and a snowshoe does not sink. This topic covers the pressure equati...
8 questions · 26 marks
Revise this topicOther areas in IGCSE Physics
Where this fits in IGCSE Physics
This page is one area of Cambridge IGCSE Physics 0625. IGCSE Physics is the course home: every area and every topic in Cambridge's own order, the papers you sit and what each one tests, and the exam-practice tools. The full topic list, with each topic linked to its revision page, is on the IGCSE Physics syllabus page.