GCSE Exam GCSE Chemistry

4.1 Atomic structure and the periodic table

4.2 Bonding structure and the properties of matter

4.3 Quantitative chemistry

4.4 Chemical changes

4.5 Energy changes

4.6 The rate and extent of chemical change

4.7 Organic chemistry

4.8 Chemical analysis

4.9 Chemistry of the atmosphere

4.9.1 The composition and evolution of the Earth's atmosphere

4.9.1.1 The proportions of different gases in the atmosphere

4.9.1.2 The Earth's early atmosphere

4.9.1.3 How oxygen increased

4.9.1.4 How carbon dioxide decreased

4.9.2 Carbon dioxide and methane as greenhouse gases

4.9.3 Common atmospheric pollutants and their sources

4.10 Using resources

AO1 Demonstrate knowledge and understanding of: scientific ideas; scientific techniques and procedures.

AO2 Apply knowledge and understanding of: scientific ideas; scientific enquiry, techniques and procedures.

AO3 Analyse information and ideas to: interpret and evaluate; make judgments and draw conclusions; develop and improve experimental procedures.

4.9.1.1 The proportions of different gases in the atmosphere

4.9.1.2 The Earth's early atmosphere

4.9.1.3 How oxygen increased

4.9.1.4 How carbon dioxide decreased