The Chemistry of Life 3.1 Chemical Elements and Water 3.1.1 State that the most frequently occurring chemical elements in living things are carbon‚ hydrogen‚ oxygen and nitrogen. Carbon‚ hydrogen‚ oxygen and nitrogen are the most frequently occurring chemical elements in living things. 3.1.2 State that a variety of other elements are needed by living organisms‚ including sulphur‚ calcium‚ phosphorus‚ iron and sodium. Other elements are needed by living organisms including sulphur‚ calcium
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Reactions Contents Introduction 3 Materials & Procedure 4 Raw Data 8 Processed Data 15 Graphs 16 Conclusion & Evaluation 17 Introduction Background Information Stoichiometry is a critical component in chemistry‚ and helps in understanding the quantitative relationship between the number of moles of reactants and products in a reaction. Objective In this experiment‚ the reactions between sodium hydroxide and hydrochloric acid‚ and sodium hydroxide and
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[IB – ITGS EXTENDED ESSAY] “An investigation into the Video Surveillance System at Indus” Name: KAPADIA SIKANDER IBCN: 002272-045 Subject: ITGS Supervisor: Mr. Mohan Robert Words: 3‚866 2010 Date: 21st Jan 2009 [INDUS INTERNATIONAL SCHOOL BANGALORE] Abstract “An investigation into the Video Surveillance System at Indus” The increasing motive of safety and security for students in schools today has enforced many schools to have video surveillance systems installed. I have chosen the topic‚
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____________________________________________________________________________________________________ International Baccalaureate Diploma Programme Extended Essay Economics How has the economic contraction in Singapore affected the country’s non-landed private residential property prices during the last 2 quarters of 2008? Word Count: 3995 By: School: ACS (International) Year: 2009 International Baccalaureate - Extended Essay 1 How has the economic contraction in Singapore affected the country’s non-landed private residential
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Biology Extended Essay Questions – Addressed by an EE Examiner Q1. Should students be encouraged to do an original piece of research‚ or should they analyze (in a new way) data that someone has collected (e.g.‚ data obtained from a previous research study that perhaps has been published in a journal)? If they use existing primary data‚ I am assuming that they will still carry out an actual experiment??? Answer: IB allows students to do science extended essays that are of two main ’types’.
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November 2009 extended essay reports BUSINESS AND MANAGEMENT Overall grade boundaries Grade: Mark range: E 0-7 D 8 - 15 C 16 - 22 B 23 - 28 A 29 - 36 The range and suitability of the work submitted The range and suitability varied both between centres and within centres. Some candidates produced excellent‚ very interesting‚ well researched pieces in terms of sources and the use of critical thinking/evaluative skills‚ combined with well substantiated conclusions and recommendations. The difference
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DCP + CE: An Analysis of Iron Tablets |Pipette Solution |Iron (II) solution | |25 cm3 | |Burette Solution |Potassium Manganate (VII) |0.01 moldm-3 | | | |Trial |1 |2 |3 | | |Burette Readings |Final |11
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Oxidizing Magnesium AIM: To determine the empirical formula of MgO RAW DATA COLLECTED: Mass of Mg/g | Mass of O2/g | Mass of MgO/g | 0.12 | 0.07 | 0.19 | 0.15 | 0.08 | 0.23 | 0.16 | 0.08 | 0.24 | 0.19 | 0.11 | 0.30 | 0.21 | 0.11 | 0.32 | 0.23 | 0.09 | 0.32 | CONCLUSION: When a mass of magnesium is burnt in air‚ it combines with the oxygen molecules to form magnesium oxide. The graph doesn’t completely verify the empirical formula of magnesium oxide. There is a slight difference
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IB PAPER 2 ESSAY RUBRIC |1-3 |4-5 |6-7 |8-9 |10-12 |13-15 |16-20 | | Understands the question |Almost no understanding of the question |Little understanding of the question. Question is not addressed effectively |Some indication that question is understood. Question partially addressed. |Demands of question are generally understood and addressed |Demands of question are understood & addressed‚ though not all implications are considered |Demands of question are effectively & relevantly addressed
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Outline for Extended Essay 1. Introduction • • State research question In the introduction I will focus on the stating of how I will construct my Essay and how I will compare the two authors and their different styles.
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