Experiment 3: Soil pH measurement Introduction Aims The aims of the experiment were to determine the pH of a variety of soils which included sedentary‚ 3:2‚ sand‚ organic matter with the means of a pH meter at various soil water ratios and with or without calcium chloride. Method and Materials Samples of sedentary soil‚ 3:2 soil‚ sand‚ organic matter and compost‚ 100ml vials(x12)‚ bottle of distilled water‚ analytical balance‚ pH meter‚ 2 buffer solution of known pH‚ 0.25M calcium
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How to Do High School Science Fair Projects The following ten steps describe how to do a science fair project. 1. Science Fair Project Judging science fair projects are judged on seven criteria which will guide you as you develop your project. These criteria are creativity‚ skills‚ clarity‚ thoroughness‚ neatness‚ integrity and results. 2. Science Project Types Determine which of the five types of science fair projects that you want to do: original research‚ demonstration‚ investigation
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Archimedes’ Principle method instead of submerging the object? If the object was dropped into the beaker‚ then the measurements would not be correct. F. How did the magnet’s density measurement using the Archimedes’ Principle compare to the density measurement using the calculated volume? Which method might be more accurate? Why? The calculated volume measurement is more accurate because Archimedes’ Principle might have a higher percentage of error.
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Lab #3 January 30‚ 2012 1. Title: Laboratory Techniques and Measurements 2. Purpose: The purpose of this lab is to learn laboratory techniques and to how to measure precisely. During this lab I will learn how to measure length‚ temperatures‚ volume‚ density‚ and mass using laboratory equipment. I will be using laboratory equipment to prepare dilutions and calculate them while using an algebraic formula. 3. Procedure: In order to perform this lab I needed the following materials:
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Performance Measurement Systems Performance measurement systems are an integral part of the management control systems. Management control is a process through which management ensures that resources are obtained and used effectively and efficiently in accomplishing the organization’s goals. To be most effective performance measures should be tied to the strategic objectives of the organization. Two key principles of performance measurements are; measurement of performance and compensation based
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MICHAEL M. MIRANDA DECEMBER 19‚ 2012 BSBA-MKTG 3 ENTREP 32 12.00-1.30PM MW 7TH ENTREP FAIR (REACTION) This years entrep fair was a bit different from the last and that is mainly being because of the change of venue which was changed from Ayala to Parkmall. I myself think Ayala still would have been the better venue because more people go to Ayala because there is more to buy there. In doing the Entrep Fair in Ayala we can also reach our peers in USC Talamban Campus and a higher class of people
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India is a land of fairs and festivals. There is hardly a month when there are no fairs and festivals. This shows that there was a time when India was fabulously rich. The people were happy and prosperous. They enjoyed life. A fair is an important event in the life of the villagers. It breaks the monotony of their life. They enjoy it most heartily. The dusky village children enjoy themselves for a day. It is a pleasure to see a smile on the face of the careworn wife. I happened to visit the
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Basic Lab Measurements and Equipment Purpose This lab experiment displays the accuracy of scientific measuring equipment. This experiment also helps to familiarize the students with these instruments. Procedure: Measure Volumes and Masses 1. Obtain a 400mL beaker and record its mass in grams. 2. Add 40mL of water to the beaker and record the volume. 3. Records the beaker’s mass now with the added water 4. Transfer the water from the beaker to a 50mL graduated cylinder and record the measurement
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As I entered the room to the fair‚ I could feel my heart beat faster. Questions of what to ask recruiters raced through my head as I walked through a sea of orange and green to see which table I should approach first. This is my second year at the career fair. Last year‚ I was turned away by most of the recruiters because I was only a first year who did not have a resume. Nevertheless‚ I still walked away with bag full of goodies and an idea what recruiters are looking for in students. This year
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hypothesis for this investigation. Name the apparatus used in this investigation. What is the significance of the tap? Explain TWO precautions that the learners must take to ensure that the results are reliable. In the investigation on transpiration‚ measurements of the distance travelled by the air bubble in the capillary tube were taken every minute. The opening of the capillary tube had an area of 4 mm2. Study the table below of the results obtained‚ and answer the questions that follow. Time (minutes)
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