Edexel IGCSE Chemistry Revision Notes IGCSE Chemistry Triple Award Revision Guide Topic Introduction to chemistry Atomic Structure Structure and Bonding – Ionic Bonding Structure and Bonding – Covalent and Metallic Bonding Organic Chemistry - Alkanes Organic Chemistry – Alkenes / Addition Polymerisation Organic Chemistry – Alcohols / Condensation Polymerisation Calculations Periodic Table Reactivity Series and Metal Extraction Electrolysis Energetics Acids‚ Bases‚ Salts and Neutralisation Preparing
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Male & female sex organs (gut can only accommodate 1 tapeworm) - Number of eggs produced (increase chance of survival) - Eggs have resistant shells (survive until eaten) Dormant embryos can form cysts in organs - damage surrounding tissue BY2 revision Page 1 Adaptions to different diets 21 May 2011 10:53 Reptiles & Amphibians = swallow food whole Mammals = cut up and chew (palate separates nasal cavity & mouth - kept in mouth longer) Carnivore = short gut (easily digest protein) Herbivore
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ACCA REVISION MOCK Financial Reporting (International) December 2011 Question paper Time allowed Reading and planning: 15 minutes Writing: 3 hours All FIVE questions are compulsory and MUST be attempted. Do NOT open this paper until instructed by the supervisor. During reading and planning time only the question paper may be annotated. You must NOT write in your answer booklet until instructed by the supervisor. This question paper must not be removed from the examination hall. Kaplan
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Business Revision Nature of Business 9.1 Role of business: Nature of a Business: A business can be defined as the organised effort of individuals to produce and sell‚ for a profit‚ the products (goods and services) that satisfy individuals’ needs and wants. Business enterprises undertake many activities to provide the products demanded by customers‚ with production being one of the most important. Production occurs when the business combines the resources to create products. Other functions
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Year 10: Visual Communication and design Advertisement Analysis This advertisement is aimed for women aged 18 to 85 as it is would attract a wide-ranging audience. As this cheesecake is premade it would show much convenience to a busy housewife or those who want a quick and easy dessert. The target audience of this advertisement are most likely low-mid income earners as the product is sensibly priced. It is suggested that the audience would probably live in suburban and city are as it would wildly
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Translation Theory revision Translation – The process of translation between two different languages involves the translator changing an original text (the source text – ST) in the original verbal languages (the source languages – SL) in a different verbal language (the target language – TL) S. Bassnet def: Translation is rendering of a SL text into the TL so as to ensure that: 1) the surface meaning of the two will be approximately similar‚ and 2) the structures of the SL will e preserved as
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BUS 10250 Financial Accounting Mid term Revision Question 1 Financial year is from 1/6/20x8 to 31/5/20x9 Rent Rent charged was $2‚400 from 1/1/20x8 to 31/12/20x8 which was $200 per month. Rent charged was $3‚000 from 1/1/20x9 to 31/12/20x9 which was $250 per month. Rent expense charge to income statement for year ended 31/5/20x9 should be: 1/6/20x8 to 31/12/20x8 total $1‚400 1/1/20x9 to 31/5/20x9 total $1‚250 Hence‚ total rent expense charge to the income statement for the year ended 31/5/20x9
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REVISION FOR GENETICS EXAM 1. Make sure you KNOW and UNDERSTAND the following TERMS and DEFINITIONS: -DNA - diploid - genes - haploid - chromosomes - crossing over - sex cells - fertilisation - somatic cells - gamete - autosomes - zygote - sex chromosomes - phenotype - karyotype - genotype - eukaryotic cell division - dominant - mitosis - recessive - meiosis - homozygous - heterozygous - incomplete dominance - codominance - pure bred - hybrid
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GEO REVISION LAST YEAR Includes: Volcanoes Earthquakes Rocks Mining Weathering VOLCANOES Litos: Rock Structure of the earth Core (magma 6000c) Mantle (magma 3000c) Crust Magma in the mantle moves because the upper mantle contains heavy magma‚ which is less hot‚ it goes downwards and the lower mantle contains light magma because it is very hot and goes upwards so it moves in a circle‚ which is called CONVECTION CELL. Plates on the crust are not statistic because they are so
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Revision Questions – Nutrients Lipids 1. Lipids are made up of 3 fatty acids and a glycerol molecule‚ referred to as a triglyceride. Glycerol is an alcohol with 3 hydroxyl groups (OH). A fatty acid attaches itself to each hydroxyl group with the elimination of 3 water molecules (condensation). The fatty acids vary and determine the properties of a lipid. 2. Saturated fatty acids: * Each carbon has a full quota of hydrogen atoms. * There are no double bonds. * Solid at room
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