analyzing only boys‚ between the ages of fifteen and seventeen. Another controlled variable is the time given‚ which is one minute. Materials that I used were; paper‚ pencil‚ calculator‚ stopwatch and the person being tested to measure their heart beat. My procedure was as follows: 1. Measure heart beat for a minute before the task started. 2. Record the heart beat 3. Time the performer for one minute doing pushups 4. Measure their heart beat for one minute once again. 5. Record their
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2012 and 2013 © International Baccalaureate Organization 2010 7 pages For final assessment in 2012 and 2013 2 MATME/PF/M12/N12/M13/N13 C O N T E N TS T y p e I t as k s Circles T y p e I I t as k s Fish Production Gold Medal Heights INTRODUC TI ON W h a t is t h e p u r p ose of t h is d oc u m e n t ? This document contains new tasks for the portfolio in mathematics SL. These tasks have been produced by the IB‚ for teachers to use in the examination sessions in 2012
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Shauna Kitching Comp II Paper #2 Conformism or Individualism “A Lifestyle”‚ the short story written by Fernando Sorrentino tells a tale of a man who has been trapped in his apartment for a long time. In this man’s particular “tiny accident” half of his key breaks off in the lock of his tenth-story dwelling as he is trying to leave and he is absolutely unable to get it out despite much effort. Upon the arrival of a locksmith‚ he’s informed that his predicament is quite extreme and would cost a large
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Vocab: 2.1 Mass: Measure of amount of matter in an object Volume: Measure of space occupied by object Extensive property: property that depends on amount of matter in a sample i.e.: mass and volume Intensive property: Property that depends on the type of matter in a sample(not amount) i.e.: type of basketball (leather; inside‚ rubber; outside) Substance: Matter that has a uniform and definite composition Physical property: Quality or condition of a substance that can be observed without
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Chemistry Ozone Depletion Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth’s stratosphere (the ozone layer)‚ and a much larger springtime decrease in stratospheric ozone over Earth’s polar regions. The latter phenomenon is referred to as theozone hole. In addition to these well-known stratospheric phenomena‚ there are also springtime polartropospheric ozone depletion events. The
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mathematics higher level PaPer 1 Thursday 7 May 2009 (afternoon) 2 hours iNsTrucTioNs To cANdidATEs Write your session number in the boxes above. do not open this examination paper until instructed to do so. You are not permitted access to any calculator for this paper. section A: answer all of section A in the spaces provided. section B: answer all of section B on the answer sheets provided. Write your session number on each answer sheet‚ and attach them to this examination paper and your cover sheet
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BF3 B F F SF4 F Molecule Electron diagram F S F F Cl PCl5 Cl Cl P Cl Cl SF6 F F F S F F F 2 The following table summarizes the relationship between the arrangement of electron pairs around the central atom of a molecule or polyatomic ion and the shape of the species. Total number of electron pairs* in the outermost shell of the central atom of a molecule or polyatomic ion 2 linear Arrangement of electron pairs* Shape of the molecule or polyatomic ion Example(s) B
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English Paper Two Tips 1. Look at past questions and use them to break down your texts for revision If you look through past paper questions‚ you’ll spot that the sorts of questions you receive will always be about generalised things. Off the top of my head‚ things like Setting‚ Character‚ Beginnings and Endings‚ Death‚ Love‚ Chronology etc. all tend to crop up with reassuring regularity. So‚ this is the way in which you should approach your texts when revising them. Remember that in the actual
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2.1.1 Distinguish between biotic and abiotic components of an ecosystem * Biotic factors in an ecosystem are living‚ biological factors that may influence an organism in an ecosystem * Abiotic factors are non-living‚ physical factors that may influence an organism in an ecosystem 2.1.2 Define the term trophic level * The position that an organism occupies in a food chain‚ or a group of organisms in a community that occupy the same position in food chains 2.1.3 Identify and explain
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Running head: Organic Chemistry Tamanna Ashraf Palm Beach State College Principle of Chemistry Ceravolo‚ Joseph MW 11:00am-12:15pm February 6th‚ 2011 We all are living in a science world. Everything has some kind of reaction going on in our living area. It is just we do not get to see or realize that where n how we having our life much easier than it used to be. In these writing assignments‚ the topic is about the organic chemistry. In organic chemistry‚ we all have different kinds of compounds
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