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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.
Summer 2024 IGCSE Science (Separate Award) Predicted Exams - Biology, Chemistry and Physics
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Summer 2024 IGCSE Science (Separate Award) Predicted Exams - Biology, Chemistry and Physics

6 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 Edexcel IGCSE Separate Science (4SS0) predicted exams. 6 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: 4BI1 - 1B and 2B; 4CH1 - 1C and 2C; 4PH1 - 1P and 2P. For 1B: Our predicted paper follows the format of the true Edexcel IGCSE Biology 1B paper closely, with the CORMS and graph question included. 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 1b - Variety of living organisms (1.2 - 1.4) • Topic 2b - Cell structure (2.2 - 2.3) • Topic 2c - Biological molecules (2.8 - 2.9) • Topic 2e - Nutrition (2.18 - 2.32) • Topic 2g - Gas exchange (2.49) • Topic 3a - Reproduction (3.2 - 3.9) • Topic 3b - Inheritance (3.14 - 3.39) • Topic 4b - Feeding relationships (4.6 - 4.9) • Topic 4d - Human influences on the environment (4.14 - 4.17) • Topic 5a - Food production (5.5 - 5.8) For 2B: Our predicted paper follows the format of the true Edexcel IGCSE Biology 2B paper closely. The obligatory comprehension question is also included. A mark scheme is also attached. The paper covers the following specification points: • Topic 2e - Nutrition (2.25 - 2.28) • Topic 2i - Excretion (2.72B - 2.76B) • Topic 2j - Coordination and response (2.83 - 2.92) • Topic 3a - Reproduction (3.3 - 3.7) • Topic 3b - Inheritance (3.16B - 3.18B) • Topic 4c - Cycles within ecosystems (4.11B - 4.15) • Topic 5a - Food production (5.9B) • Topic 5d - Cloning (5.17B - 5.18B) For 1C: Our predicted 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) For 2C: Our predicted 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 1b - Elements, compounds and mixtures (1.8 - 1.10) • Topic 1i - Electrolysis (1.55C - 1.60C) • Topic 1e - Chemical formulae, equations and calculations (1.25 - 1.33) • Topic 2e - Extraction and uses of metals (2.22C - 2.27C) • Topic 2f - Acids, alkalis and titrations (2.28 - 2.33C) • Topic 3c - Reversible reactions and equilibria (3.17 - 3.22C) • Topic 4f - Carboxylic acids (4.34C - 4.35C) • Topic 4g - Esters (4.38C - 4.42C) For 1P: Our predicted paper follows the format of the true Edexcel IGCSE Physics 1P 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 1b - Movement and position (1.6 - 1.9) • Topic 1c - Forces, movement, shape and momentum (1.13 - 1.24) • Topic 2c - Energy and voltage in circuits (3.2 - 3.9) • Topic 3b - Properties of waves (3.10 - 3.13) • Topic 3d - Light and sound (3.14 - 3.23) • Topic 4b - Energy resources and energy transfers (4.2 - 4.4) • Topic 4c - Work and power (4.14 - 4.17) • Topic 5b - Density and pressure (5.3 - 5.7) • Topic 6c - Electromagnetism (6.8, 6.13 - 6.14) • Topic 7b - Radioactivity (7.2 - 7.16) • Topic 7c - Fission and fusion (7.17 - 7.19) • Topic 8b - Motion in the universe (8.3 - 8.6) For 2P: Our mock paper follows the format of the true Edexcel IGCSE Physics 2P 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 - Forces, movement, shape and momentum (1.25P - 1.33P) • Topic 2d - Electric charge (2.22P - 2.28P) • Topic 3d - Light and sound (3.23 - 3.27P) • Topic 4d - Energy resources and electricity generation (4.18P - 4.19P) • Topic 5c - Changes of state (5.13P) • Topic 6c - Electromagnetism (6.9P - 6.19P) • Topic 8c - Stellar evolution (8.7 - 8.11P) • Topic 8d - Cosmology (8.13P - 8.18P) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Science 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 Physics Lessons + 2024 Predicted Exams - The Complete Course (Presentations, Worksheets and Papers)
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Edexcel IGCSE Physics Lessons + 2024 Predicted Exams - The Complete Course (Presentations, Worksheets and Papers)

18 Resources
The Definitive Edexcel IGCSE Physics Set - Presentations and Companion Worksheets. 2024 Predicted Exams now included! Huge bundle of resources with every topic covered. Complete set of concise, modern presentations and companion worksheets for Edexcel IGCSE Physics (4PH1) Chapters 1 - 8. Contains colour coded specification points with handmade vector graphics. 33 presentations and companion worksheets 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
Edexcel IGCSE Physics Lecture 19 - Thermal Energy
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Edexcel IGCSE Physics Lecture 19 - Thermal Energy

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.6 - Describe how thermal energy transfer may take place by conduction, convection and radiation. Specification Point 4.7 - Explain the role of convection in everyday phenomena. Specification Point 4.8 - Explain how emission and absorption of radiation are related to surface and temperature. Specification Point 4.9 - Practical: investigate thermal energy transfer by conduction, convection and radiation. Specification Point 4.10 - Explain ways of reducing unwanted energy transfer, such as insulation. Complete set of Chapter 4 Lectures are available.
Edexcel IGCSE Physics Worksheets Chapter 3 - Waves
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Edexcel IGCSE Physics Worksheets Chapter 3 - Waves

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Complete set of companion PDF worksheets for Edexcel IGCSE Physics (4PH1) Chapter 3 - Waves. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Four worksheets included: 14 - Waves 15 - Electromagnetic Waves 16 - Reflection and Refraction 17 - Sound Waves
Edexcel IGCSE Physics Lecture 33 - Cosmology
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Edexcel IGCSE Physics Lecture 33 - Cosmology

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 8.11P - Understand how the brightness of a star at a standard distance can be represented using absolute magnitude. Specification Point 8.12P - Draw the main components of the Hertzsprung–Russell diagram. Specification Point 8.13P - Describe the past evolution of the universe and the main arguments in favour of the Big Bang theory. Specification Point 8.14P - Describe evidence that supports the Big Bang theory. Specification Point 8.15P - Describe that if a wave source is moving relative to an observer, there will be a change in the observed frequency and wavelength. Specification Point 8.16P - Use the equation relating to change in wavelength, reference wavelength, velocity of a galaxy and the speed of light. Specification Point 8.17P - Describe the red-shift in light received from galaxies at different distances away from the Earth. Specification Point 8.18P - Explain why the red-shift of galaxies provides evidence for the expansion of the universe. Complete set of Chapter 8 Lectures are available.
Edexcel IGCSE Physics Worksheets Chapter 8 - Astrophysics
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Edexcel IGCSE Physics Worksheets Chapter 8 - Astrophysics

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Complete set of companion PDF worksheets for Edexcel IGCSE Physics (4PH1) Chapter 8 - Astrophysics. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Three worksheets included: 31 - The Universe 32 - The Evolution of Stars 33 - Cosmology
Edexcel IGCSE Science Lessons - Three Complete Courses (Presentations, Worksheets and Mocks)
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Edexcel IGCSE Science Lessons - Three Complete Courses (Presentations, Worksheets and Mocks)

12 Resources
The complete Edexcel IGCSE Science Course. Includes Biology, Chemistry and Physics Over 2000 slides and companion PDF worksheets! Huge bundle of resources with every topic covered. Unbeatable value. The definitive collection. Now including a full set of mock exams: Includes: Complete set of concise, modern presentations and companion worksheets for Edexcel IGCSE Biology (4BI0) Chapters 1 - 7. Contains colour coded specification points with handmade vector graphics. 62 presentations and worksheets 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 Complete set of concise, modern presentations and companion worksheets for Edexcel IGCSE Chemistry (4CH1) Chapters 1 - 7 Contains colour coded specification points with handmade vector graphics. 38 presentations and worksheets included: 1 - States of Matter 2 - Solutions and Solubility 3 - Calculating Solubility 4 - Elements, Compounds and Mixtures 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 Complete set of concise, modern presentations and companion worksheets for Edexcel IGCSE Physics (4PH1) Chapters 1 - 8 Contains colour coded specification points with handmade vector graphics. 33 presentations and worksheets 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
Edexcel IGCSE Physics Lesson 7 - Momentum
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Edexcel IGCSE Physics Lesson 7 - Momentum

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 1.25 - Know and use the relationship between momentum, mass and velocity. Specification Point 1.26 - Use the idea of momentum to explain safety features. Specification Point 1.27 - Use the conservation of momentum to calculate the mass, velocity or momentum of objects. Specification Point 1.28 - Use the relationship between force, change in momentum and time taken. Specification Point 1.29 - Demonstrate an understanding of Newton’s third law. Complete set of Chapter 1 Lessons are available.
Edexcel IGCSE Physics Lecture 13 - Static Electricity
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Edexcel IGCSE Physics Lecture 13 - Static Electricity

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 2.22P - Identify common materials which are electrical conductors or insulators, including metals and plastics. Specification Point 2.23P - Practical: investigate how insulating materials can be charged by friction. Specification Point 2.24P - Explain how positive and negative electrostatic charges are produced on materials by the loss and gain of electrons. Specification Point 2.25P - Know that there are forces of attraction between unlike charges and forces of repulsion between like charges. Specification Point 2.26P - Explain electrostatic phenomena in terms of the movement of electrons. Specification Point 2.27P - Explain the potential dangers of electrostatic charges. Specification Point 2.28P - Explain some uses of electrostatic charges. Complete set of Chapter 2 Lectures are available.
Edexcel IGCSE Physics Lesson 21 - Sources of Energy
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Edexcel IGCSE Physics Lesson 21 - Sources of Energy

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.18P - Describe the energy transfers involved in generating electricity. Specification Point 4.19P - Describe the advantages and disadvantages of methods of large-scale electricity production from various renewable and non-renewable resources. Complete set of Chapter 4 Lessons are available.
Edexcel IGCSE Physics Worksheet 24 - Ideal Gases
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Edexcel IGCSE Physics Worksheet 24 - Ideal Gases

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Companion PDF worksheet for Edexcel IGCSE Physics Lecture 24 - Ideal Gases. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 5.15 - Explain how molecules in a gas have random motion and that they exert a force and hence a pressure on the walls of a container. Specification Point 5.16 - Understand why there is an absolute zero of temperature which is –273 °C. Specification Point 5.17 - Describe the Kelvin scale of temperature and be able to convert between the Kelvin and Celsius scales. Specification Point 5.18 - Understand why an increase in temperature results in an increase in the average speed of gas molecules. Specification Point 5.19 - Know that the Kelvin temperature of a gas is proportional to the average kinetic energy of its molecules. Specification Point 5.20 - Explain, for a fixed amount of gas, the qualitative relationship between: pressure and volume at constant temperature, pressure and Kelvin temperature at constant volume. Specification Point 5.21 - Use the relationship between the pressure and Kelvin temperature of a fixed mass of gas at constant volume. Specification Point 5.22 - Use the relationship between the pressure and volume of a fixed mass of gas at constant temperature. Complete set of Chapter 5 Worksheets are available.
Edexcel IGCSE Physics Lesson 33 - Cosmology
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Edexcel IGCSE Physics Lesson 33 - Cosmology

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Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 8.11P - Understand how the brightness of a star at a standard distance can be represented using absolute magnitude. Specification Point 8.12P - Draw the main components of the Hertzsprung–Russell diagram. Specification Point 8.13P - Describe the past evolution of the universe and the main arguments in favour of the Big Bang theory. Specification Point 8.14P - Describe evidence that supports the Big Bang theory. Specification Point 8.15P - Describe that if a wave source is moving relative to an observer, there will be a change in the observed frequency and wavelength. Specification Point 8.16P - Use the equation relating to change in wavelength, reference wavelength, velocity of a galaxy and the speed of light. Specification Point 8.17P - Describe the red-shift in light received from galaxies at different distances away from the Earth. Specification Point 8.18P - Explain why the red-shift of galaxies provides evidence for the expansion of the universe. Complete set of Chapter 8 Lessons are available.
Edexcel IGCSE Physics Worksheets Chapter 7 - Radioactivity
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Edexcel IGCSE Physics Worksheets Chapter 7 - Radioactivity

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Complete set of companion PDF worksheets for Edexcel IGCSE Physics (4PH1) Chapter 7 - Radioactivity. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Three worksheets included: 28 - Radioactivity Part 1 29 - Radioactivity Part 2 30 - Fission and Fusion
Edexcel IGCSE Physics Lecture 8 - Forces and Moments
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Edexcel IGCSE Physics Lecture 8 - Forces and Moments

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 1.30P - Know and use the relationship between the moment of a force and its perpendicular distance from the pivot. Specification Point 1.31P - Know that the weight of a body acts through its centre of gravity. Specification Point 1.32P - Use the principle of moments for a simple system of parallel forces acting in one plane. Specification Point 1.33P - Understand how the upward forces on a light beam, supported at its ends, vary with the position of a heavy object placed on the beam. Complete set of Chapter 1 Lectures are available.
Mock Exam Series - Edexcel IGCSE Double Award Papers
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Mock Exam Series - Edexcel IGCSE Double Award Papers

3 Resources
A useful resource for students to practice their knowledge and examination technique for future external assessments. The questions found in these papers are completely original and have been designed from scratch. There has been no reuse of previous exam questions. This is for the following papers: 4SD0 - 1B, 1C and 1P For 1B: Our mock paper follows the format of the true Edexcel IGCSE Biology 1B paper closely, with the CORMS and graph question included. 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 2d - Movement of substances into and out of cells (including practical 2.17 (2.15 – 2.17) • Topic 2g - Gas exchange (including practical 2.50) (2.46 – 2.50) • Topic 2h - Transport (2.51 – 2.54, 2.59 – 2.62, 2.65 – 2.69) • Topic 2j - Co-ordination and response (2.80 – 2.94) • Topic 3a - Reproduction (3.1 – 3.9, 3.11 – 3.13) • Topic 3b - Inheritance (3.14 – 3.15, 3.19 – 3.20, 3.22 – 3.34, 3.38 – 3.39) • Topic 5b - Selective breeding (5.10 – 5.11) 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 1P: Our mock paper follows the format of the true Edexcel IGCSE Physics 1P 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 1b - Movement and position (including practical 1.5) (1.3 – 1.10) • Topic 2c - Energy and voltage in circuits (2.7 – 2.21) • Topic 3b - Properties of waves (3.2 – 3.9) • Topic 4b - Energy transfers (4.2 – 4.10) • Topic 5b - Density and pressure (5.3 – 5.7) • Topic 7b - Radioactivity (7.2 – 7.15) • Topic 8b - Motion in the universe (8.2 – 8.6) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Science 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 Physics Worksheet 16 - Reflection and Refraction
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Edexcel IGCSE Physics Worksheet 16 - Reflection and Refraction

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Companion PDF worksheet for Edexcel IGCSE Physics Lecture 16 - Reflection and Refraction. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. 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 Worksheets are available.
Edexcel IGCSE Physics Lecture 18 - Energy
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Edexcel IGCSE Physics Lecture 18 - Energy

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.1 - Use a variety of energy units. Specification Point 4.2 - Describe energy transfers involving energy stores. Specification Point 4.3 - Use the principle of conservation of energy. Specification Point 4.4 - Know and use the relationship between efficiency, useful energy output and total energy output. Specification Point 4.5 - Describe a variety of everyday and scientific devices and situations, explaining the transfer of the input energy in terms of the above relationship, including their representation by Sankey diagrams. Complete set of Chapter 4 Lectures are available.
Edexcel IGCSE Physics Worksheet 31 - The Universe
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Edexcel IGCSE Physics Worksheet 31 - The Universe

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Companion PDF worksheet for Edexcel IGCSE Physics Lecture 31 - The Universe. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 8.2 - Know that the universe is a large collection of billions of galaxies, that a galaxy is a large collection of billions of stars and that our solar system is in the Milky Way galaxy. Specification Point 8.3 - Understand why gravitational field strength, g, varies and know that it is different on other planets and the Moon from that on the Earth. Specification Point 8.4 - Explain that gravitational force causes moons to orbit planets, causes the planets to orbit the Sun, causes artificial satellites to orbit the Earth and causes comets to orbit the Sun. Specification Point 8.5 - Describe the differences in the orbits of comets, moons and planets. Specification Point 8.6 - Use the relationship between orbital speed, orbital radius and time period. Complete set of Chapter 8 Worksheets are available.
Edexcel IGCSE Physics Lecture 14 - Waves
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Edexcel IGCSE Physics Lecture 14 - Waves

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Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.1 - Use the following units: degree (°), hertz (Hz), metre (m), metre/second (m/s) and second (s). Specification Point 3.2 - Explain the difference between longitudinal and transverse waves. Specification Point 3.3 - Know the definitions of amplitude, wavefront, frequency, wavelength and period of a waves. Specification Point 3.4 - Know that waves transfer energy and information without transferring matter. Specification Point 3.5 - Know and use the relationship between the speed, frequency and wavelength of a wave. Specification Point 3.6 - Use the relationship between frequency and time period. Complete set of Chapter 3 Lectures are available.