Name______________________________________________ IB Guide to Writing Lab Reports Standard and Higher Level Chemistry 2010-2011 Table of Contents page 1 Explanations‚ Clarifications‚ and Handy Hints page 2 - 13 IB Laboratory Evaluation Rubric page 14 - 15 Formal Lab Report Format page 16 Error Analysis Types of Experimental Errors page 17 Error Analysis: Some Key Ideas page 18 Precision and Accuracy in Measurements A Tale of Four Cylinders Assessment of Errors and Uncertainties in IB Lab Reports
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required to submit some of these for assessment but these are for SJII purposes only and will not form part of your final Biology grade for the IB. Internal Assessment is formal assessment that you are required to complete on your own and will be marked by your teacher. The grades are submitted to the IB and the work will form approx 24% of you final IB Biology mark. These pieces of work are very important and you will have many opportunities to obtained good results. Internal Assessment
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Population change Saturday‚ April 13‚ 2013 5:18 PM Index Def. Meaning LEDC example MEDC example Crude Birth Rate (CBR) No. of live birth/1000 peo. in pop./year High CBR/TFR: Parents want children: - For labors → Contribute to family income Botswana France: Total Fertility Rate (TFR) Avg. no. of children that Low CBR/TFR: would be born to a - Children are costly woman during her - Good public pension scheme & health services → lifetime No need
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My CAS Diary – Mountain bike riding with Mr. Wright This rather splendid activity I involved myself in took place in the rural district of Yarramundi. I accompanied ‘the boys’‚ Ben Irwin‚ David Wilkinson‚ Jordan Willis‚ Jarrod Quigley‚ Bailey McDougle and John Wright. This group had been forged through a Tabitha elective in which I was not involved with. Despite my absence during the genesis of this group‚ they warmly welcomed me into their ranks‚ as one of their own! They went as far to facilitate
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Competition is essential to achieve efficiency in any market. In an imperfectly competitive market structure‚ however‚ efficiency is lost. The Economist’s article “Let Mexico’s Moguls Battle”‚ describes the lack of competition in the fixed and mobile phone markets in Mexico‚ shows its effects on consumers‚ and outlines the measures taken to promote competition. Figure 1 Figure 1 Telmex and Telcel abuse the lack of competition in the Mexican fixed and mobile phone markets respectively. These “two
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LAQ – Reliability of Memory Discuss‚ with reference to relevant research studies‚ the extent to which memory is reliable. This paper will evaluate the extent to which memory is reliable. While the human ability to have memory is an incredibly complex‚ yet amazing cognitive process‚ recent psychological research demonstrated that memory isn’t an imaginative reconstruction of past events‚ and is therefore not as reliable as previously thought. Memories can be influenced by other factors other than
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The most unusual thing I ever stole? A snowman Midnight. He looked magnificent; a tall‚ white mute beneath the winter moon. I wanted him‚ a mate with a mind as cold as the slice of ice within my own brain. I started with the Better off dead than giving in‚ not taking what you want. He weighed a ton; his torso‚ frozen stiff‚ hugged to my chest‚ a fierce chill piercing my gut. Part of the thrill was knowing that children would cry in the morning. Life’s tough. Sometimes I steal
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Data: quantitative The data below is the raw data collected during the lab to test the photosynthetic rate of five different .75% colored bicarbonate solutions. Time taken for three spinach leaf disks to rise to the top of .75% bicarbonate solution (measured in minutes) Uncertainty +/- 10 seconds Uncertainty +/- 10 seconds Qualitative: This data is a record of the physical reactions or visual observations during the lab * Some of the leaf disks are not cut properly * Blue
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Written Task The downfall. The cold pouring rain had finally stopped. The man who several years ago were used to be Winston Smith was walking down the narrow street closely to his apartment in Victory Mansions. It was the year 1989‚ or at least he thought so. It has been raining for days‚ or even weeks‚ it doesn’t matter. The noise of bombs turning buildings into dust was very often in that week‚ and they were dangerously close to the part of the city where most of the party members were relocated
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LOG INVESTIGATION 1. INTRODUCTION The following assessment aims to investigate logarithms and several different expressions. The following sequences (from now on referred to as P roblem1 ) is in the form of an = logmn mk ‚ where n represents the term number and an represents the given answer. 1. a1 = log2 8‚ a2 = log4 8‚ a3 = log8 8‚ a4 = log16 8‚ a5 = log32 8‚ ... 2. a1 = log3 81‚ a2 = log9 81‚ a3 = log27 81‚ a4 = log81 81‚ ... 3. a1 = log5 25‚ a2 = log25 25‚ a3 = log125 25‚ a4 = log625
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