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We understand the importance of education. We offer tailored private tuition designed to maximise success at GCSE, A Level and beyond. Our tutors are experienced professionals, teachers and top-tier graduates with extensive knowledge in their subjects. On Tes we offer high quality board-specific resources. Please check back regularly as we are continually updating our stock.

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We understand the importance of education. We offer tailored private tuition designed to maximise success at GCSE, A Level and beyond. Our tutors are experienced professionals, teachers and top-tier graduates with extensive knowledge in their subjects. On Tes we offer high quality board-specific resources. Please check back regularly as we are continually updating our stock.
Edexcel IGCSE Physics Presentations - The Complete Course
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Edexcel IGCSE Physics Presentations - The Complete Course

8 Resources
The complete Edexcel IGCSE Physics course from start to finish. Huge bundle of resources with every topic covered. Complete set of concise, modern presentations for Edexcel IGCSE Physics (4PH1) Chapters 1 - 8 Contains colour coded specification points with handmade vector graphics. 33 presentations included: 1 - Distance and Speed 2 - Acceleration 3 - Forces 4 - Balanced and Unbalanced Forces 5 - Gravity, Weight and Drag 6 - Hooke’s Law 7 - Momentum 8 - Forces and Moments 9 - Mains Electricity 10 - Power, Current and Voltage 11 - Circuits Part 1 12 - Circuits Part 2 13 - Static Electricity 14 - Waves 15 - Electromagnetic Waves 16 - Reflection and Refraction 17 - Sound Waves 18 - Energy 19 - Thermal Energy 20 - Work and Power 21 - Sources of Energy 22 - Density and Pressure 23 - Changes of State 24 - Ideal Gases 25 - Magnetism 26 - Electromagnets Part 1 27 - Electromagnets Part 2 28 - Radioactivity Part 1 29 - Radioactivity Part 2 30 - Fission and Fusion 31 - The Universe 32 - The Evolution of Stars 33 - Cosmology
Summer 2024 IGCSE Chemistry Predicted Exam - Edexcel Paper 1C
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Summer 2024 IGCSE Chemistry Predicted Exam - Edexcel Paper 1C

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Back by popular demand for a third year! Our heads of department have once again been hard at work to create a series of predicted exams for Summer 2024! This is for the following paper: 4CH1 - 1C These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. Our mock paper follows the format of the true Edexcel IGCSE Chemistry 1C paper closely. It is also the exact duration and mark-count, with questions of increasing difficulty. A mark scheme is also attached. The paper covers the following specification points: • Topic 1c - Atomic structure (1.14 - 1.17) • Topic 1d - The periodic table (1.18 - 1.24) • Topic 1e - Chemical formulae, equations and calculations (1.25 - 1.33) • Topic 1f - Ionic bonding (1.37 - 1.41) • Topic 1g - Covalent bonding (1.44 - 1.47) • Topic 2a - Group 1 (2.1 - 2.3) • Topic 2c - Gases in the atmosphere (2.10 - 2.14) • Topic 2g - Acids, bases and salt preparations (2.35 - 2.39) • Topic 2h - Chemical tests (2.44 – 2.50) • Topic 3a - Energetics (3.1 - 3.4) • Topic 3b - Rates of reaction (3.12 - 3.13) • Topic 3c - Reversible reactions and equilibria (3.17) • Topic 4a - Hydrocarbons (4.1 - 4.6) • Topic 4c - Alkanes (4.19 - 4.22) • Topic 4h - Synthetic polymers (4.44 - 4.47) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Chemistry course. We cannot however guarantee that it is an accurate representation of the 2024 examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.
Edexcel IGCSE Biology Presentations - The Complete Course
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Edexcel IGCSE Biology Presentations - The Complete Course

7 Resources
The complete Edexcel IGCSE Biology course from start to finish. Huge bundle of resources with every topic covered. Be sure to check out our worksheets! Complete set of concise, modern presentations for Edexcel IGCSE Biology (4BI0) Chapters 1 - 7. Contains colour coded specification points with handmade vector graphics. 62 presentations included: 1 - Characteristics of Living Organisms 2 - Variety of Living Organisms 3 - Organisation and Cell Structure 4 - Cell Differentiation 5 - Biological Molecules 6 - Food Tests 7 - Enzymes 8 - Enzymes and pH 9 - Movement Across Membranes 10 - Nutrition in Plants 11 - The Leaf 12 - Investigating Photosynthesis 13 - Human Nutrition 14 - The Digestive System 15 - Digestion and Absorption 16 - Energy in Food 17 - Respiration 18 - Gas Exchange in Plants 19 - Ventilation 20 - The Alveoli and Lung Disease 21 - Transport Mechanisms 22 - Transpiration 23 - The Blood 24 - Vaccination 25 - The Heart 26 - The Circulatory System 27 - Excretion 28 - The Kidneys 29 - Coordination 30 - Coordination in Plants 31 - Coordnation in Animals 32 - Reflexes and the Eye 33 - Controlling Body Temperature 34 - Hormones 35 - More Hormones 36 - Reproduction 37 - Reproduction in Plants 38 - Human Reproductive Systems and the Menstrual Cycle 39 - FSH and LH 40 - Pregnancy and Puberty 41 - DNA, Genes and Chromosomes 42 - Nucleic Acids 43 - Inheritance and Codominance 44 - Genetic Diagrams 45 - Cell Division 46 - Variation in a Species 47 - Mutations 48 - Evolution 49 - Ecosystems 50 - Biodiversity 51 - Biotic and Abiotic Factors 52 - Feeding Relationships 53 - The Carbon Cycle 54 - The Nitrogen Cycle 55 - Pollution and Global Warming 56 - Deforestation 57 - Crop Production 58 - Microorganisms for Food 59 - Fish Farming 60 - Selective Breeding 61 - Genetic Modification 62 - Cloning
Edexcel IGCSE Physics Lecture 16 - Reflection and Refraction
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Edexcel IGCSE Physics Lecture 16 - Reflection and Refraction

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.14 - Know that light waves are transverse waves and that they can be reflected and refracted. Specification Point 3.15 - Use the law of reflection. Specification Point 3.16 - Draw ray diagrams to illustrate reflection and refraction. Specification Point 3.17 - Practical: investigate the refraction of light, using rectangular blocks, semi-circular blocks and triangular prisms. Specification Point 3.18 - Know and use the relationship between refractive index, angle of incidence and angle of refraction. Specification Point 3.19 - Practical: investigate the refractive index of glass, using a glass block. Specification Point 3.20 - Describe the role of total internal reflection in transmitting information along optical fibres and in prisms. Specification Point 3.21 - Explain the meaning of critical angle c. Specification Point 3.22 - Know and use the relationship between critical angle and refractive index. Specification Point 3.23 - Know that sound waves are longitudinal waves which can be reflected and refracted. Complete set of Chapter 3 Lectures are available.
Edexcel IGCSE Geography Presentations - The Complete Course
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Edexcel IGCSE Geography Presentations - The Complete Course

10 Resources
The complete Edexcel IGCSE Geography course from start to finish. Huge bundle of resources with every topic covered. Complete set of concise, modern presentations for Edexcel IGCSE Geography (4GE1) Chapters 1 - 10. Contains colour coded specification points with handmade vector graphics. 65 presentations included: 1 - The Water Cycle 2 - Drainage Basins 3 - River Regimes 4 - Fluvial Processes 5 - Changes in River Characteristics 6 - River Landscapes 7 - Uses of Water 8 - Water Quality and Supply 9 - Flooding 10 - River Management Case Studies 11 - Coastal Processes 12 - Coastal Landforms 13 - Factors Affecting Coastal Environments 14 - Coastal Ecosystems 15 - Coral Ecosystems 16 - Threats to Coastal Ecosystems 17 - Coastal Conflicts 18 - Coastal Flooding 19 - Coastal Management 20 - Coastal Management Case Studies 21 - Natural Hazards 22 - Cyclones, Volcanoes and Earthquakes 23 - Living in Hazardous Areas 24 - Earthquake Management 25 - Earthquake Management Case Studies 26 - River Fieldwork 27 - Coastal Fieldwork 28 - Hazardous Fieldwork 29 - Economic Sectors and Employment 30 - Location of Economic Sectors 31 - Changes in Economic Sectors 32 - Informal Employment 33 - Populations and Resources 34 - Energy 35 - Energy Management 36 - The World’s Biomes 37 - Ecosystem Goods and Services 38 - Rural Environments 39 - Rural Environment Case Studies 40 - Diversification of Farming 41 - Management of Rural Living 42 - Stakeholders and Rural Change 43 - Urbanisation 44 - Megacities 45 - Urban Challenges 46 - The Rural-Urban Fringe 47 - Sustainable Urban Living 48 - Urban Managers 49 - Fragile Environments 50 - Climate Change 51 - Impacts on Fragile Environments 52 - Responding to Fragile Environments 53 - Responding to Climate Change 54 - The Globalised World 55 - Migration 56 - Impacts of Globalisation and Migration 57 - Impacts of Global Tourism 58 - Trade, Migration and Tourism 59 - Migration and Tourism Case Studies 60 - Development and Welfare 61 - Measuring Development 62 - Uneven Development 63 - The Demographic Transition Model 64 - Tackling the Development Gap 65 - Top-Down and Bottom-Up Projects
AQA A Level Biology Presentations + 2024 Predicted Papers - The Complete Course
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AQA A Level Biology Presentations + 2024 Predicted Papers - The Complete Course

11 Resources
The complete AQA A Level Biology course from start to finish. Huge bundle of resources with every topic covered. Now includes the 2024 Predicted Papers! Complete set of concise, modern presentations for AQA A Level Biology (7401 and 7402) Chapters 1 - 8. Contains colour coded specification points with handmade vector graphics. Sixty one presentations included: 1 - Monomers and Polymers 2 - Carbohydrates 3 - Lipids 4 - Proteins 5 - Enzymes 6 - Factors Affecting Enzymes 7 - DNA and RNA 8 - ATP, Water and Inorganic Ions 9 - Eukaryotic Cells 10 - Prokaryotic Cells and Viruses 11 - Analysing Cell Components 12 - Cell Division 13 - Cell Membranes 14 - Transport Across Membranes 15 - The Immune System 16 - Immunity, Vaccines and Monoclonal Antibodies 17 - HIV and Viruses 18 - Size and Surface Area 19 - Gas Exchange 20 - Gas Exchange in Humans 21 - Lung Disease 22 - Digestion and Absorption 23 - Haemoglobin 24 - The Circulatory System 25 - Cardiovascular Disease 26 - Xylem and Phloem 27 - DNA, Genes and Chromosomes 28 - Transcription and Translation 29 - Meiosis and Genetic Variation 30 - Mutations 31 - Genetic Diversity 32 - Natural Selection 33 - Classifying Organisms 34 - Biodiversity 35 - Investigating Variation 36 - Photosynthesis and the Light Dependent Reaction 37 - Photosynthesis and the Light Independent Reaction 38 - The Rate of Photosynthesis 39 - Respiration 40 - Energy and Ecosystems 41 - Nutrient Cycles 42 - Survival and Response 43 - Receptors and Effectors 44 - The Control of Heart Rate 45 - Nerves and Synapses 46 - Muscles 47 - Homeostasis 48 - Controlling Blood Glucose 49 - The Kidneys 50 - Genetics 51 - Linkage and Epistasis 52 - Variation and Speciation 53 - Populations and Ecosystems 54 - Ecological Sampling 55 - Succession 56 - Conservation 57 - Mutations and Cancer 58 - Stem Cells 59 - Gene Expression 60 - Gene Technologies 61 - Gene Therapy and Genetic Fingerprinting
Edexcel IGCSE Chemistry Lecture 18 - Atmospheric Gases
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Edexcel IGCSE Chemistry Lecture 18 - Atmospheric Gases

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.9 - Know the approximate percentages by volume of the four most abundant gases in dry air. Specification Point 2.10 - Understand how to determine the percentage by volume of oxygen in air using experiments involving the reactions of metals and non-metals with air. Specification Point 2.11 - Describe the combustion of elements in oxygen, including magnesium, hydrogen and sulphur. Specification Point 2.12 - Describe the formation of carbon dioxide from the thermal decomposition of metal carbonates, including copper (II) carbonate. Specification Point 2.13 - Know that carbon dioxide is a greenhouse gas and that increasing amounts in the atmosphere may contribute to climate change. Specification Point 2.14 - Practical: determine the approximate percentage by volume of oxygen in air using a metal or a non-metal. Complete set of Chapter 4 Lectures are available.
Edexcel IGCSE Chemistry Presentations - The Complete Course
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Edexcel IGCSE Chemistry Presentations - The Complete Course

7 Resources
The complete Edexcel IGCSE Chemistry course from start to finish. Huge bundle of resources with every topic covered. Be sure to check out our worksheets! Complete set of concise, modern presentations for Edexcel IGCSE Chemistry (4CH1) Chapters 1 - 7 Contains colour coded specification points with handmade vector graphics. 38 presentations included: 1 - States of Matter 2 - Solutions and Solubility 3 - Calculating Solubility 4 - Elements, Compounds and Mixture 5 - Methods of Separation 6 - Paper Chromatography 7 - Atoms and Molecules 8 - The Periodic Table 9 - Formulae and Calculations 10 - Formulae and Calculations Part 2 11 - Concentration and Volumes 12 - Ionic Bonding 13 - Covalent Bonding 14 - Metallic Bonding 15 - Electrolysis 16 - Group 1 Elements 17 - Group 7 Elements 18 - Atmospheric Gases 19 - Metals and the Reactivity Series 20 - The Uses of Metals 21 - Acids and Alkalis 22 - Titrations 23 - Acids, Bases and Salts 24 - Making Salts 25 - Chemical Tests 26 - Energetics 27 - Bond Energies 28 - Rates of Reaction 29 - Reversible Reactions 30 - Dynamic Equilibria 31 - Organic Compounds 32 - Crude Oil 33 - Burning Hydrocarbons 34 - Alkanes and Alkenes 35 - Organic Compounds Part 2 36 - Esters 37 - Addition Polymers 38 - Condensation Polymers
Edexcel IGCSE Chemistry Worksheets - The Complete Course
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Edexcel IGCSE Chemistry Worksheets - The Complete Course

7 Resources
The complete Edexcel IGCSE Chemistry course from start to finish. Huge bundle of resources with every topic covered. Be sure to check out our presentations! Complete set of companion PDF worksheets for Edexcel IGCSE Chemistry (4CH1) Chapters 1 - 7. This pack contains 38 worksheets, including: 1 - States of Matter 2 - Solutions and Solubility 3 - Calculating Solubility 4 - Elements, Compounds and Mixture 5 - Methods of Separation 6 - Paper Chromatography 7 - Atoms and Molecules 8 - The Periodic Table 9 - Formulae and Calculations 10 - Formulae and Calculations Part 2 11 - Concentration and Volumes 12 - Ionic Bonding 13 - Covalent Bonding 14 - Metallic Bonding 15 - Electrolysis 16 - Group 1 Elements 17 - Group 7 Elements 18 - Atmospheric Gases 19 - Metals and the Reactivity Series 20 - The Uses of Metals 21 - Acids and Alkalis 22 - Titrations 23 - Acids, Bases and Salts 24 - Making Salts 25 - Chemical Tests 26 - Energetics 27 - Bond Energies 28 - Rates of Reaction 29 - Reversible Reactions 30 - Dynamic Equilibria 31 - Organic Compounds 32 - Crude Oil 33 - Burning Hydrocarbons 34 - Alkanes and Alkenes 35 - Organic Compounds Part 2 36 - Esters 37 - Addition Polymers 38 - Condensation Polymers
Summer 2024 AQA A Level Psychology Predicted Exams - Papers 1-3
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Summer 2024 AQA A Level Psychology Predicted Exams - Papers 1-3

3 Resources
Back by popular demand for a third year! Our heads of department have once again been hard at work to create a series of predicted exams for Summer 2024! Look no further, the complete set of AQA A Level Psychology (7182) predicted exams. 3 full papers with mark schemes. These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. This is for the following papers: 7182/1 (Introductory Topics in Psychology); 7182/2 (Psychology in Context) and 7182/3 (Issues and Options in Psychology) For 7182/1: Our predicted paper follows the format of the true AQA A Level Psychology Paper 1 closely. It is also the exact duration and mark-count. A detailed mark scheme is also attached. The paper covers the following specification points: • 4.1.1 - Social influence • 4.1.2 - Memory • 4.1.3 - Attachement • 4.1.4 - Psychopathology For 7182/2: Our predicted paper follows the format of the true AQA A Level Psychology Paper 2 closely. It is also the exact duration and mark-count. A detailed mark scheme is also attached. The paper covers the following specification points: • 4.2.1 - Approaches in Psychology • 4.2.2 - Biopsychology • 4.2.3 - Research Methods For 7182/3: Our predicted paper follows the format of the true AQA A Level Psychology Paper 3 closely. It is also the exact duration and mark-count. A detailed mark scheme is also attached. The paper covers the following specification points: • 4.3.1 - Issues and Debates in Psychology • 4.3.2 - Relationships • 4.3.3 - Gender • 4.3.4 - Cognition and Development • 4.3.5 - Schizophrenia • 4.3.6 - Eating Behaviour • 4.3.7 - Stress • 4.3.9 - Forensic Psychology • 4.3.10 - Addiction Disclaimer: This document was created by department heads with many years of experience teaching the AQA A Level Psychology course. We cannot however guarantee that it is an accurate representation of the 2024 examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.
Edexcel IGCSE Biology Presentations Chapter 1 - Living Organisms
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Edexcel IGCSE Biology Presentations Chapter 1 - Living Organisms

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Complete set of concise, modern presentations for Edexcel IGCSE Biology (4BI0) Chapter 1 - Living Organisms. Contains colour coded specification points with handmade vector graphics. Nine presentations included: 1 - Characteristics of Living Organisms 2 - Variety of Living Organisms 3 - Organisation and Cell Structure 4 - Cell Differentiation 5 - Biological Molecules 6 - Food Tests 7 - Enzymes 8 - Enzymes and pH 9 - Movement Across Membranes
Edexcel IGCSE Biology Lesson 27 - Excretion
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Edexcel IGCSE Biology Lesson 27 - Excretion

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.70 - Understand the origin of carbon dioxide and oxygen as waste products of metabolism and their loss from the stomata of a leaf. Specification Point 2.71 - Know the excretory products of the lungs, kidneys and skin. Complete set of Chapter 4 Lessons are available.
Edexcel IGCSE Biology Lesson 32 - Reflexes and the Eye
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Edexcel IGCSE Biology Lesson 32 - Reflexes and the Eye

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 2.90 - Describe the structure and functioning of a simple reflex arc illustrated by the withdrawal of a finger from a hot object. Specification Point 2.91 - Describe the structure and function of the eye as a receptor. Specification Point 2.92 - Understand the function of the eye in focusing on near and distant objects, and in responding to changes in light intensity. Complete set of Chapter 4 Lessons are available.
Summer 2024 AQA A Level Psychology Predicted Exam - Paper 1 (Introductory Topics in Psychology)
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Summer 2024 AQA A Level Psychology Predicted Exam - Paper 1 (Introductory Topics in Psychology)

(0)
Back by popular demand for a third year! Our heads of department have once again been hard at work to create a series of predicted exams for Summer 2024! These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. This is for the following paper: AQA A Level Psychology Paper 1 (7182/1) - Introductory Topics in Psychology Our predicted paper follows the format of the true AQA A Level Psychology Paper 1 closely. It is also the exact duration and mark-count. A detailed mark scheme is also attached. The paper covers the following specification points: • 4.1.1 - Social influence • 4.1.2 - Memory • 4.1.3 - Attachement • 4.1.4 - Psychopathology Disclaimer: This document was created by department heads with many years of experience teaching the AQA A Level Psychology course. We cannot however guarantee that it is an accurate representation of the 2024 examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.
Mock Exam Series - Edexcel IGCSE Chemistry Papers 1C and 2C (Set 1)
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Mock Exam Series - Edexcel IGCSE Chemistry Papers 1C and 2C (Set 1)

2 Resources
A useful resource for students to practice their knowledge and examination technique for future external assessments. This is for the following papers: 4CH1 - 1C and 4CH1 - 2C These are based on the 2022 Predicted Papers These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. For 1C: Our mock paper follows the format of the true Edexcel IGCSE Chemistry 1C paper closely. It is also the exact duration and mark-count, with questions of increasing difficulty. A mark scheme is also attached. The paper covers the following specification points: • Topic 1a - States of matter (1.1 – 1.4) • Topic 1c - Atomic structure (1.14 – 1.17) • Topic 1e - Chemical formulae, equations and calculations (including practical 1.36) (1.25 – 1.33, 1.36) • Topic 1g - Covalent bonding (1.44 – 1.51) • Topic 2c - Gases in the atmosphere (2.9 – 2.14) • Topic 2h - Chemical tests (2.44 – 2.50) • Topic 3b - Rates of reaction (3.9 – 3.13) • Topic 4b - Crude oil (4.7 – 4.18) • Topic 4c - Alkanes (4.19 – 4.22) For 2C: Our mock paper follows the format of the true Edexcel IGCSE Chemistry 2C paper closely. It is also the exact duration and mark-count, with questions of increasing difficulty. A mark scheme is also attached. The paper covers the following specification points: • Topic 1e - Chemical formulae, equations and calculations (1.25 – 1.36) • Topic 1i - Electrolysis (1.55C – 1.60C) • Topic 2b - Group 7 (2.5 – 2.8C) • Topic 2c - Gases in the atmosphere (2.9 – 2.14) • Topic 2e - Extraction and uses of metals (2.22C – 2.27C) • Topic 2f - Acids, alkalis and titrations (2.28 – 2.33C) • Topic 2h - Chemical tests (2.44 – 2.50) • Topic 3a - Energetics (including practical 3.8) (3.1 – 3.8) • Topic 4f - Carboxylic acids (4.34C – 4.37C) • Topic 4h - Synthetic polymers (4.44 – 4.50C) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Chemistry course. We cannot however guarantee that it is an accurate representation of upcoming examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.
Edexcel IGCSE Biology Worksheets - The Complete Course
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Edexcel IGCSE Biology Worksheets - The Complete Course

7 Resources
The complete Edexcel IGCSE Biology course from start to finish. Huge bundle of resources with every topic covered. Be sure to check out our presentations! Complete set of companion PDF worksheets for Edexcel IGCSE Biology (4BI0) Chapters 1 - 7. This pack contains 62 worksheets, including: 1 - Characteristics of Living Organisms 2 - Variety of Living Organisms 3 - Organisation and Cell Structure 4 - Cell Differentiation 5 - Biological Molecules 6 - Food Tests 7 - Enzymes 8 - Enzymes and pH 9 - Movement Across Membranes 10 - Nutrition in Plants 11 - The Leaf 12 - Investigating Photosynthesis 13 - Human Nutrition 14 - The Digestive System 15 - Digestion and Absorption 16 - Energy in Food 17 - Respiration 18 - Gas Exchange in Plants 19 - Ventilation 20 - The Alveoli and Lung Disease 21 - Transport Mechanisms 22 - Transpiration 23 - The Blood 24 - Vaccination 25 - The Heart 26 - The Circulatory System 27 - Excretion 28 - The Kidneys 29 - Coordination 30 - Coordination in Plants 31 - Coordnation in Animals 32 - Reflexes and the Eye 33 - Controlling Body Temperature 34 - Hormones 35 - More Hormones 36 - Reproduction 37 - Reproduction in Plants 38 - Human Reproductive Systems and the Menstrual Cycle 39 - FSH and LH 40 - Pregnancy and Puberty 41 - DNA, Genes and Chromosomes 42 - Nucleic Acids 43 - Inheritance and Codominance 44 - Genetic Diagrams 45 - Cell Division 46 - Variation in a Species 47 - Mutations 48 - Evolution 49 - Ecosystems 50 - Biodiversity 51 - Biotic and Abiotic Factors 52 - Feeding Relationships 53 - The Carbon Cycle 54 - The Nitrogen Cycle 55 - Pollution and Global Warming 56 - Deforestation 57 - Crop Production 58 - Microorganisms for Food 59 - Fish Farming 60 - Selective Breeding 61 - Genetic Modification 62 - Cloning
Edexcel IGCSE Chemistry Lecture 25 - Chemical Tests
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Edexcel IGCSE Chemistry Lecture 25 - Chemical Tests

(3)
Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.44 - Describe tests for these gases: hydrogen, oxygen, carbon dioxide, ammonia and chlorine. Specification Point 2.45 - Describe how to carry out a flame test. Specification Point 2.46 - Know the colours formed in flame tests for the following cations: lithium, sodium, potassium, calcium and copper. Specification Point 2.47 - Describe tests for these cations: ammonium using sodium hydroxide solution and identifying the gas evolved. Copper, iron (II) and iron (III) using sodium hydroxide solution. Specification Point 2.48 - Describe tests for these anions: chloride, bromide and iodide using acidified silver nitrate solution. Sulphates using acidified barium chloride solution and carbonates using hydrochloric acid and identifying the gas evolved. Specification Point 2.49 - Describe a test for the presence of water using anhydrous copper (II) sulphate. Specification Point 2.50 - Describe a physical test to show whether a sample of water is pure. Complete set of Chapter 5 Lectures are available.