Year 8 Chemistry Revision Podcasts Section 6 – Classifying Materials Particle Theory More Particle Theory Changes of State The Periodic Table Compounds Mixtures and Solvents and Solutions Separating Mixtures Properties of Metals Properties of Non-Metals Summary of Section 6 Section 7 – Chemical Changes Everyday Chemical Reactions Oxidation and Reduction Acids and Alkalis Neutralisations Reactions Reactivity Series and Metal Extraction Reaction of Metals with Acids Reactions of Metals with Oxygen and Water Displacement Reactions Summary of Section 7 Section 8 – The Atmosphere Air and Water The Effects of Fossils Fuels Limestone Acids in the Environment Summary of Section 8