Companion PDF worksheet for Edexcel IGCSE Biology Lecture 45 - Cell Division. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 3.28 - Understand how division of a diploid cell by mitosis produces two cells that contain identical sets of chromosomes. Specification Point 3.29 - Understand that mitosis occurs during growth, repair, cloning and asexual reproduction. Specification Point 3.30 - Understand how division of a cell by meiosis produces four cells, each with half the number of chromosomes, and that this results in the formation of genetically different haploid gametes. Complete set of Chapter 5 Worksheets are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.11B - Describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria and denitrifying bacteria. Complete set of Chapter 6 Lessons are available.

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.11 - Know and use the relationship between work done, force and distance moved in the direction of the force. Specification Point 4.12 - Know that work done is equal to energy transferred. Specification Point 4.13 - Know and use the relationship between gravitational potential energy, mass, gravitational field strength and height. Specification Point 4.14 - Know and use the relationship between kinetic energy, mass and speed. Specification Point 4.15 - Understand how conservation of energy produces a link between gravitational potential energy, kinetic energy and work. Specification Point 4.16 - Describe power as the rate of transfer of energy or the rate of doing work. Specification Point 4.17 - Use the relationship between power, work done and time taken. Complete set of Chapter 4 Lessons are available.

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.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.11B - Describe the stages in the nitrogen cycle, including the roles of nitrogen fixing bacteria, decomposers, nitrifying bacteria and denitrifying bacteria. Complete set of Chapter 6 Lectures are available.

Complete set of concise, modern presentations for Edexcel IGCSE Chemistry (4CH1) Chapter 3 - Bonding. Contains colour coded specification points. Four presentations included: 12 - Ionic Bonding 13 - Covalent Bonding 14 - Metallic Bonding 15 - Electrolysis

Powerpoint lecture and associated PDF worksheet covering the following in a modern, concise format: Specification Point 4.29C - Know that alcohols contain the functional group −OH. Specification Point 4.30C - Understand how to draw structural and displayed formulae for methanol, ethanol, propanol and butanol and name each compound. Specification Point 4.31C - Know that how ethanol can be oxidised. Specification Point 4.32C - Know how ethanol can be manufactured. Specification Point 4.33C - Understand the reasons for fermentation, in the absence of air, and at an optimum temperature. Specification Point 4.34C - Know that carboxylic acids contain the functional group -COOH. Specification Point 4.35C - Understand how to draw structural and displayed formulae for unbranched-chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound. Specification Point 4.36C - Describe the reactions of aqueous solutions of carboxylic acids with metals and metal carbonates. Specification Point 4.37C - Know that vinegar is an aqueous solution containing ethanoic acid. Complete set of Chapter 7 Lessons are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.3.7 - Stress. Managing and coping with stress: drug therapy (benzodiazepines, beta blockers), stress inoculation therapy and biofeedback. The role of social support in coping with stress; types of social support, including instrumental, emotional and esteem support. Complete set of Chapter 14 Lectures are available.

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 - 2C 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 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) 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.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.7.3.1 - Biodiversity. Specification Point 4.7.3.2 - Waste management. Complete set of Chapter 7 Lectures are available.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 6.2 - Understand factors affecting urban land use patterns: their locational needs, accessibility and land values. Specification Point 6.2 - Understand urban challenges in a named developed country: food, energy, transport and waste disposal demands, concentrated resource consumption, segregation. Specification Point 6.2 -Understand urban challenges in a named developing country or emerging country: squatter settlements, informal economy, urban pollution, and low quality of life. Complete set of Chapter 7 Lectures are available.

Complete set of concise, modern presentations for Edexcel IGCSE Chemistry (4CH1) Chapter 1 - Particles and Mixtures. Contains colour coded specification points. Six 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

Powerpoint lecture covering the following in a modern, concise format: Specification Point 4.19 - Know the general formula for alkanes. Specification Point 4.20 - Explain why alkanes are classified as saturated hydrocarbons. Specification Point 4.21 - Understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers. Specification Point 4.22 - Describe the reactions of alkanes with halogens in the presence of ultraviolet radiation, limited to mono-substitution. Specification Point 4.23 - Know that alkenes contain a particular functional group (C=C). Specification Point 4.24 - Know the general formula for alkenes. Specification Point 4.25 - Explain why alkenes are classified as unsaturated hydrocarbons. Specification Point 4.26 - Understand how to draw the structural and displayed formulae for alkenes with up to four carbon atoms in the molecule, and name the unbranched-chain isomers. Specification Point 4.27 -Describe the reactions of alkenes with bromine to produce dibromoalkanes. Specification Point 4.28 - Describe how bromine water can be used to distinguish between an alkane and an alkene. Complete set of Chapter 7 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Chemistry Lecture 35 - Organic Compounds Part 2. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 4.29C - Know that alcohols contain the functional group −OH. Specification Point 4.30C - Understand how to draw structural and displayed formulae for methanol, ethanol, propanol and butanol and name each compound. Specification Point 4.31C - Know that how ethanol can be oxidised. Specification Point 4.32C - Know how ethanol can be manufactured. Specification Point 4.33C - Understand the reasons for fermentation, in the absence of air, and at an optimum temperature. Specification Point 4.34C - Know that carboxylic acids contain the functional group -COOH. Specification Point 4.35C - Understand how to draw structural and displayed formulae for unbranched-chain carboxylic acids with up to four carbon atoms in the molecule, and name each compound. Specification Point 4.36C - Describe the reactions of aqueous solutions of carboxylic acids with metals and metal carbonates. Specification Point 4.37C - Know that vinegar is an aqueous solution containing ethanoic acid. Complete set of Chapter 7 Worksheets are available.

Companion PDF worksheet for Edexcel IGCSE Physics Lecture 8 - Forces and Moments. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. 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 Worksheets are available.

A useful resource for students to practice their knowledge and examination technique for future external assessments. This is for the following paper: 4PH1 - 1P This mock is based on our 2023 Predicted Papers. 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 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 (1.4 – 1.10) • Topic 2b – Mains electricity (2.2 – 2.6) • Topic 2c – Energy and voltage in circuits (2.8 – 2.21) • Topic 3c – The electromagnetic spectrum (3.10 – 3.13) • Topic 4b – Energy transfers (4.2 – 4.10) • Topic 5b - Density and pressure (5.3) • Topic 6b – Magnetism (6.2 – 6.7) • Topic 6c – Electromagnetism (6.8, 6.13 – 6.14) • Topic 7b – Radioactivity (7.2 – 7.8, 7.16) • Topic 7c – Fission and fusion (7.17 – 7.25) • Topic 8b – Motion in the universe (8.6) • Topic 8c – Stellar evolution (8.8 – 8.10) Disclaimer: This document was created by department heads with many years of experience teaching the Pearson Edexcel IGCSE Physics 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.

Powerpoint lecture covering the following in a modern, concise format: Specification Point 3.2.4 - Cell recognition and the immune system. Complete set of Chapter 2 Lectures are available.

Companion PDF worksheet for Edexcel IGCSE Biology Lecture 37 - Reproduction in Plants. Contains short answer questions, an activity requiring lateral thinking and exam-style questions. Specification Point 3.3 - Describe the structures of an insect-pollinated and a wind-pollinated flower and explain how each is adapted for pollination. Specification Point 3.4 - Understand that the growth of the pollen tube followed by fertilisation leads to seed and fruit formation. Specification Point 3.5 - Practical: investigate the conditions needed for seed germination. Specification Point 3.6 - Understand how germinating seeds utilise food reserves until the seedling can carry out photosynthesis. Specification Point 3.7 - Understand that plants can reproduce asexually by natural methods (illustrated by runners) and by artificial methods (illustrated by cuttings). Complete set of Chapter 5 Worksheets are available.