AS Chemistry Revision-Chemistry for Life 1. Avagadro constant‚ 6.02 x 10²³ number of particles in 1 mole of a substance 2. Empirical formula-simplest ratio of atoms of each element in a compound 3. 4. Model of an atom Particle Mass on relative atomic scale Charge Proton 1 1+ Neutron 1 0 Electron Very small (0.00055) 1- 5. Radioactive isotopes Radiation What is it? Relative charge How does the nucleus change? Stopped by? Deflection in electric field? Alpha α Helium nuclei ⁴₂He +2 2 fewer
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Salters Nuffield Advanced Biology AS Revision summary Unit 1 Topic 1: Lifestyle‚ health and risk Topic 2: Genes and health Unit 2 Topic 3: Topic 4: SNAB Biology AS Revision Summary Understanding the specification The following summary tries to explain what is meant by the specification statements for the SNAB AS course. SNAB includes a lot of material because it helps you to understand ideas or because it is interesting‚ but it can be a little confusing when it comes to knowing what to
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Unit 1 – Introduction to Philosophy Chapter 1: Introducing Philosophy Philosophy: thinking about thinking‚ or the love of wisdom Autonomy: the ability to freely make rational decisions Materialism (physicalism): a metaphysical theory‚ developed by the PreSocratic philosophers‚ that says that everything‚ including a person’s thoughts‚ consciousness‚ and personality‚ is composed of matter Philosophical System Builder: someone who tries to construct a complete system of knowledge First-Order
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* General comments: Exploring the question of how particular laws come to be included within legal systems is a characteristic question of some theories known as theories of legal positivism The question of whether all legal systems or even all laws‚ partake of some more general moral qualities is characteristic of some theories known as natural law theories Hybrid theories (that of Dworkin) suggest that the manner in which any and every particular law becomes part of a legal system can only be
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Assess the theory of practical wisdom as an account of how we make moral decisions The theory of practical wisdom‚ also known as the virtue theory‚ is an approach to ethical philosophy that concentrates on the characteristics and personality of the moral agent rather than duties‚ rules or consequences. It argues that all things in the world have a function and that the best way for that thing to excel is to fulfil this function as best as possible and that‚ by fulfilling this function‚ we strive
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Revision Essay A lot of literature has been written about motherhood. Wordsworth is a well known English poet who mentions motherhood and female strength in several of his poems‚ including the Mad Mother‚ The Thorn‚ and The Complaint of a Forsaken Indian Woman. This leads some critics to assume that these poems reflect Wordsworth ’s view of females. Wordsworth portrays women as dependent on motherhood for happiness‚ yet he also emphasizes female strength. The poem The Mad Mother describes a woman
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philosophy [fɪˈlɒsəfɪ] n pl -phies 1. (Philosophy) the academic discipline concerned with making explicit the nature and significance of ordinary and scientific beliefs and investigating the intelligibility of concepts by means of rational argument concerning their presuppositions‚ implications‚ and interrelationships; in particular‚ the rational investigation of the nature and structure of reality (metaphysics)‚ the resources and limits of knowledge (epistemology)‚ the principles and import of
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Revision Checklist for O-Level Physics 5054 Guide for Students www.XtremePapers.net REVISION CHECKLIST for O Level Physics 5054 A guide for students How to use this guide The guide describes what you need to know about your O level Physics examination. It will help you to plan your revision programme for the written examinations and will explain what the examiners are looking for in the answers you write. It can also be used to help you to revise by using the tick boxes in Section 3‚ ‘What
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Subjects: Philosophy‚ classics‚ music tech and geography Notes and Revision for Geography: Links: https://sites.google.com/a/halliford.net/a-level-geography/home/exam-materials http://coolgeography.co.uk/A-level/AQA/AQA%20A%20level.htm http://web.aqa.org.uk/qual/gce/humanities/geography_materials.php Topic 1: Rivers and Flood Management. Drainage Basins: A drainage basin is an area drained by its rivers and tributaries. It is a natural system with varied inputs of precipitation
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KUC: Change and Management of Change Revision Questions 1. ‘The difference between high performing and low performing schools in Kenya’s education system is innovation’. Discuss citing relevant examples. 2. Citing curriculum development process‚ discuss the role of the external forces of change in influencing curriculum development and or review in Kenya. 3. Citing relevant examples‚ discuss the view that school conflicts and unrests are as a result of internal change forces. 4
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