• Usefulness of Life Cycle Assessments (LCAs) • Stages of a LCA • Comparisons of LCAs • Problems with LCAs • Knowledge recall questions • Application questions • Worksheet for Higher and Foundation students with answers • Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

Reasons for reuse and recycling and their benefits Methods used in reuse and recycling Knowledge recall questions I do, We do, You do tasks Extended writing and application questions Worksheet for Higher and Foundation students with answers Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

• Gases present in our current atmosphere • Comparison and contrast of Earth’s early atmosphere to our current one • Theory of evolution of the atmosphere • Knowledge recall questions • Application questions • Worksheet for Higher and Foundation students with answers • Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

major focus of the content of the exam (FOUNDATION): • 5.6.1 Rate of reaction • 5.6.2 Reversible reactions and dynamic equilibrium • 5.7.1 Carbon compounds as fuels and feedstock • 5.8.1 Purity, formulations and chromatography • 5.9.1 The composition and evolution of the Earth’s atmosphere • 5.9.3 Common atmospheric pollutants and their sources • 5.10.1 Using the Earth’s resources and obtaining potable water major focus of the content of the exam (HIGHER): • 5.6.1 Rate of reaction • 5.6.2 Reversible reactions and dynamic equilibrium • 5.7.1 Carbon compounds as fuels and feedstock • 5.8.1 Purity, formulations and chromatography • 5.9.1 The composition and evolution of the Earth’s atmosphere • 5.10.1 Using the Earth’s resources and obtaining potable water RPA 11: investigating how changes in concentration affect the rates of reactions RPA 12: Using paper chromatography to separate and differentiate between coloured substances

Covers the advanced information from AQA for combined Science. Sorry it’s late - hope it helps for last minute for anyone. Hope to have the other slides very soon for P1, B2,C2 and P2.

Main greenhouse gases in our atmosphere The role of greenhouse gases Explanation of how human activities have affected greenhouse gases Effects of climate change Knowledge recall questions Application questions Worksheet for Higher and Foundation students with answers Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

End of topic revision activities and questions for Chemistry of the Atmosphere topic Match the definitions Sentence filling Knowledge recall True or false? Splat game Checkpoint quiz Quick revision questions Exam-style and applied questions Questions can be used for a test prep lesson or as homework Answers provided Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

Definition of carbon footprints How the total carbon footprint is measured Difficulty in measuring carbon footprints Ways of reducing carbon footprints Reasons why reducing carbon footprints may be problematic I Do, We Do, You Do tasks Knowledge recall questions Application Questions Worksheet for Higher and Foundation students with answers Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

• Definition of potable water and how it is different from pure water • UK fresh water (rainfall) collection sites • Methods of producing potable water from fresh water • Alternative methods to produce potable water: Desalination and reverse osmosis (and their disadvantages) • Knowledge recall questions • Application questions • Worksheet for Higher and Foundation students with answers • Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

Word equations for complete and incomplete combustion of hydrocarbons Balanced equations for the complete combustion of hydrocarbons (methane, ethane and propane) Products of incomplete combustion and their effects I Do, We Do, You Do tasks Knowledge recall questions Exam-style and Application Questions Worksheet for Higher and Foundation students with answers Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry

natural resources – definition and uses problems with using natural resources sustainable development and its importance activities that can enable sustainable development Knowledge recall questions Application questions Worksheets for Higher and Foundation students with answers Suitable for AQA, CIE, EDEXCEL, OCR Combined Science/Chemistry