Laboratory Techniques and Measurements Lab 1 The purpose of this lab was for the student to get involved with his or hers new lab kit as well as being able to know‚ identify and use each other tools provided in the kit. Another key learning aspect of this lab is to teach the student how to measure properly the many units in the SI system. I will be using laboratory dilutions‚ measurements‚ and weights to then calculate using algebraic formula. Throughout lab one we were introduced to
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IMPORTANCE OF STANDARD UNITS The system of measurements is very important in everyday life . In the past ‚ various systems of measurements were used. For example ‚ length was measured in units like foot ‚ yard ‚ chain and mile . Weight was measured in units like pound ‚ ounce ‚ kati ‚ tahil . Today ‚ many countries in the world use the same units of measurements . We say that they use standard units . The standard units used are the S.I. units . Under this system
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Section 1.4—Converting Units Often‚ a measurement is more convenient in one unit but is needed in another unit for calculations. Dimensional Analysis is a method for converting between units. Equivalents Dimensional Analysis uses equivalents. What is an equivalent? Two measurements that have the same meaning. Ex: What happens if you put one over the top of the other? See your reference sheet for some common equivalencies. We can use these conversion
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System of Units And its base units PDF generated using the open source mwlib toolkit. See http://code.pediapress.com/ for more information. PDF generated at: Wed‚ 08 May 2013 17:06:00 UTC Contents Articles Overview International System of Units 1 1 20 20 30 35 37 39 39 42 51 69 75 78 82 86 90 90 93 Organisations Metre Convention General Conference on Weights and Measures International Bureau of Weights and Measures International Committee for Weights and Measures Base units SI base
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GS104 Lab Report Experiment # 1 Measurement‚ Length‚ Mass‚ Volume‚ Density & Time David Case: January 17‚ 2015 Experiment #1 Measurement‚ Length‚ Mass‚ Volume‚ Density‚ & Time Objectives: To make basic distance‚ mass‚ density‚ and time measurements. To make calculations of volume and density‚ using proper units‚ and to practice using graphing software while graphing the relationship between the circumference of a circle and its diameter. Materials:
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Units of Measurement: Sections 1.4-1.5 Physical Quality Name of Unit Abbreviation Mass Kilogram Kg Length Meter m Time Second sª (Sec) Temperature Kelvin K Amount of Substance Mole mol • Système International d’Unitès (used in the science community world wide) • Uses different base unit for quantity Velocity m/s (two base units build velocity = derived unit) {g/sec‚ kg/min} Metric System Prefix Abbreviation Meaning Mega M 106
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SCI 1400 – F2012 Assignment # 1 Name: SI Units‚ Train Track & Conversions Page 1 of 14 1. When discussing measurement systems‚ the abbreviation “SI” stands for _____________________________________ 2. The predecessor of the SI system of weights and measures is the ____________ system. 3. Name two other measurement systems still in use today. ______________________ _________________________ 4. The SI system officially came into being in the year ________________. 5. The metric
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angles there are whole new sets that can also be used to make that same congruent shape. Using that information‚ we were able to make an equation that calculates the total degrees in any polygon. These outside angles had no real connection to the shadow unit problem. More About Angles shows just how important angles are to all polygons‚ especially triangles. Angles are mostly what decide the shape of triangles. This activity was about grouping similar angles from a set of parallel line with another line
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important tips to remember when converting from one metric unit to another … [mg]-to-[grams]‚ [liters]-to-[ml]‚ [cm]-to-[mm]‚ etc … 1) First thing to ask yourself is … “what is the relationship between the two different units?” Here is an example of what I mean. If you are asked to convert 300mg into its equivalent value expressed in grams (g)‚ you first need to determine how many of the smaller units are contained in one of the larger units … in this case we would use the fact that [1g] is equal
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given basic units to their corresponding physical quantities. All engineers must use the same language in their communications‚ and one of these universal communication tools is the units of measurements. Physical quantities such as length‚ weight‚ time‚ speed‚ force‚ and mass are measured with standard units. Therefore the magnitude if a physical quantity is given by a number and standard unit of measurement. Examples: 5 meters‚ 60 kilograms. SI units are the international system of units (system
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