Complete set of concise, modern presentations and associated PDF worksheets for Edexcel IGCSE Biology (4BI0) Chapter 6 - Ecology and the Environment. Contains colour coded specification points with handmade vector graphics. Eight presentations and companion worksheets included: 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

A useful resource for students to practice their knowledge and examination technique for future external assessments - the complete series! This is for the following papers: 4BI1 – 1B, 2B; 4CH1 – 1C, 2C; 4PH1 – 1P, 2P. These questions are completely original and have been designed from scratch. There has been no reuse of previous exam questions. 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 2B: Our mock 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 2c Biological molecules (including practical 2.9 and practical 2.14B) (2.7 – 2.14B) • Topic 2g Gas exchange (including practical 2.45B) (2.40B – 2.50) • Topic 2i Excretion (2.70 – 2.79B) • Topic 3b Inheritance (3.14 – 3.39) • Topic 4c Cycles within ecosystems (4.10 – 4.11B) • Topic 4d Human influences on the environment (4.12 – 4.18B) 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) 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) 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 (1.11 – 1.33P) • Topic 3d - Light and sound (including core practical 3.27P) (3.14 – 3.29P) • Topic 5c - Changes of state (including practicals 5.11P and 5.14P) (5.8P – 5.14P) • Topic 6d - Electromagnetic induction (6.15 – 6.20P) • Topic 7c - Fission and fusion (7.17 – 7.26) • 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 upcoming examinations and students should not treat it as such. Please use this as an aid, alongside other methods of revision.

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.