A Roll No. • Please check that this questionnaire contains 11 printed pages. • Code A‚ B or C given on the right hand top corner of the questionnaire should be written on the answer sheet in the space provided. • Please check that this questionnaire contains 60 questions. 29th ARYABHATTA INTER-SCHOOL MATHEMATICS COMPETITION – 2012 CLASS - VIII Time Allowed: 2 Hours Max. Marks: 100 _____________________________________________________________________ GENERAL INSTRUCTIONS: 1.
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On Thursday‚ September‚ 28 in Ms. O’Brien’s Honors Science class we conducted two experiments the Mixed Substances Lab and the Investigating Mixtures Lab. The objective of the Investigating Mixtures Lab was “To observe that not all liquids behave the same way when mixed with other liquids”. Before we started the lab we we each created a hypothesis mine was “If the water and vegetable oil are mixed and the two combine and make a mixture‚ then the vegetable oil will float and the water will sink”.
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NaOH and mixed 7 different mole ratios in graduated cylinders to determine what the mole ratio is. We also did the same thing with solutions of CuCl2 and Na3PO4. We determine the mole ratios by graphing the volume of reactant #1 vs. volume of precipitate for each reaction. Data Part 1.) Cylinder 1 2 3 4 5 6 7 Fe(NO3)3‚ 0.1 M‚ ml 5 10 12 15 17 20 24 NaOH‚ 0.1 M‚ ml 55 50 48 45 43 40 36 Fe:OH mole ratio 1:11 1:5 1:4 1:3 2:5 1:2 2:3 Volume Precipitate (ml) 6 10 12
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LESSON PLAN IN MATHEMATICS I. Objectives: At the end of the lesson‚ the students are expected to: a. Find the volume of a prism b. Solve problems involving finding the volume of a prism II. Subject Matter: Topic: Volume of a Prism Reference: Math Essential Geometry for 3rd year Materials: Presentation Prerequisite concepts/ Skills: Volume of Prism Process skills to be emphasized: Logical Thinking III. Procedure: Teacher’s Activity | Pupil’s Activity |
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In this experiment I am investigating the relationship between surface area and the volume of a model cactus and to determine whether this relationship affects the loss of water. We used oasis blocks‚ an absorbant material used by florists as a substitute for a cactus‚ that would soak up the water‚ and thus ideally show the percentage water loss by weighing the before and after evaporation weights. Independent Variable The independent variable is the total surface area for each size of the blocks
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already in the community that could be causing people to get sick. Maybe it was an underlying issue that stems back from when the community was being built and it something the developers have done by mistake. People that I would talk to when investigating the issue would
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Unit 3: Investigating Marketing Section C Rosie Boymbo Introduction In this section‚ I will give a detailed explanation of the marketing mix and why it is used in businesses. I will be giving a detailed analysis’ of the Product‚ Pricing‚ Place and Promotions. This section is based on about how I found my target market and then fulfilling their wants and needs. Marketing Mix Marketing mix: ‘Provides a recipe for effective marketing’: tutor2u.net Marketing is the term used to describe a range
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1. Explain the terms area of convergence and area of origin and explain what each term reveals to an investigator. The area of convergence of an impact spatter pattern is the area the individual stains emanated from on a two-dimensional plane. The area of origin of a bloodstain pattern in three-dimensional space may represent the position of the victim or suspect when the stain-producing event took place. These areas can determine and reveal to an investigator the direction of force‚ angle of impact
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following contains only fundamental SI units? A. B. C. D. ampere volt mole kilogram newton second ampere metre N07/4/PHYSI/HPM/ENG/TZ0/XX+ second kelvin kilogram tesla 2. The mass of a body is measured with an uncertainty of 2.0 % and its volume with an uncertainty of 10 %. What is the uncertainty in the density of the body? A. B. C. D. 0.2 % 5.0 % 12 % 20 % 3. The molar mass of water is 18 g. The approximate number of water molecules in a glass of water is A. B. C. D. 10 22 . 10 25
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Financial Ratio Analysis -As changes in a company’s several accounts change‚ it is hard to just casually inspect statement of earnings and balance sheets. Many items fluctuate simultaneously‚ making the reasons for the fluctuations hard to determine. -Financial Ratio Analysis is a useful management tool developed to assist in indentifying‚ interpreting and evaluating changes in the financial performance and condition of a business over a period of time. Its purpose is to provide information about
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