One page per syllabus section. Each teaches the Core content, diagrams it, then tests it with self-marked exam questions.
States of matter
This topic explains the properties of solids, liquids and gases in terms of how their particles are arranged and how they move. It covers changes of state, heating and co...
9 questions · 28 marks
Revise this topicAtoms, elements and compounds
This topic covers what elements, compounds and mixtures are, the structure of the atom and how electrons are arranged, isotopes and relative atomic mass, and the three ma...
9 questions · 28 marks
Revise this topicStoichiometry
Stoichiometry is the arithmetic of chemistry. This topic covers formulae and balanced equations, relative atomic and molecular mass, the mole and the Avogadro constant, a...
9 questions · 28 marks
Revise this topicElectrochemistry
Electrolysis uses a direct current to decompose a molten or dissolved ionic compound into its elements. This topic covers the meaning of electrolyte, anode and cathode, t...
9 questions · 29 marks
Revise this topicChemical energetics
Chemical energetics is about the thermal energy transferred during a reaction. This topic covers exothermic and endothermic reactions, the sign of the enthalpy change, re...
8 questions · 25 marks
Revise this topicChemical reactions
This topic covers the difference between physical and chemical changes, the factors that affect the rate of a reaction and the collision theory that explains them, how re...
9 questions · 28 marks
Revise this topicAcids, bases and salts
This topic covers what makes a substance an acid or a base, how acids behave towards metals, bases, carbonates and ammonium salts, and how the pH scale and indicators let...
8 questions · 25 marks
Revise this topicThe Periodic Table
The Periodic Table arranges the elements in order of increasing proton number, so that elements with similar properties fall into the same group. This topic covers how th...
9 questions · 27 marks
Revise this topicMetals
Metals conduct electricity, can be shaped, and are used for everything from wiring to aircraft. This topic covers their physical and chemical properties and the uses that...
10 questions · 30 marks
Revise this topicChemistry of the environment
This topic is the chemistry of the air and the water around us. It covers the tests for water and for its purity, the treatment of a water supply, the use of NPK fertilis...
9 questions · 30 marks
Revise this topicOrganic chemistry
This topic covers the language of organic chemistry - displayed and structural formulae, general formulae, functional groups and homologous series - and then applies it t...
9 questions · 30 marks
Revise this topicExperimental techniques and chemical analysis
This topic is the practical toolkit of chemistry. It covers choosing apparatus that measures time, temperature, mass and volume accurately, running an acid-base titration...
9 questions · 28 marks
Revise this topicWhere this fits in IGCSE Co-ordinated Sciences
This page is one area of Cambridge IGCSE Co-ordinated Sciences 0654 / 0973. IGCSE Co-ordinated Sciences 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 Co-ordinated Sciences syllabus page.