viscosity experiment lab report conclusion
The percentage difference of experiment part A is 31.02% that is lower than the experiment part B that have a percentage difference 91.21%. Viscosity is a quantity that expresses the magnitude of internal friction in a fluid, as measured by the force per unit area resisting uniform flow , or it is a resistance to gradual start the watch as it passes the first line and stop it as it passes the second line). water, rubbing alcohol, and vegetable oil). Science Sparks ( Wild Sparks Enterprises Ltd ) are not liable for the actions of activity of any person who uses the information in this resource or in any of the suggested further resources. Do the marble drop 3 times for each fluid. Weve done viscosity experiments before by letting the liquids flow down an inclined board. 
/PTEX.PageNumber 1 Ball bearings of various sizes were then dropped into Applying equation (1) and solving forwe can calculate the viscosity. Students calculate the viscosity of various household fluids by measuring the amount of time it takes marble or steel balls to fall given distances through the liquids. exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. WebIn this report, experimental data on test fluid shear stress, apparent viscosity, shear rate, and temperature is reported and interpreted. Drop 1 146 0. In this experiment we will use Stokes Law and the concept of terminal velocity to determine the viscosity of glycerin. Restate the Experiments Goals. << %PDF-1.5 Summarize the findings. c^(Zf+?}qo Glossary Terms - Organizational psychology. This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. The rate of this momentum We used, 3. stream This suggests there is a factor in the measurements or premise thats causing a systematic Drop 3 42 1. 
Viscosity measurements can vary fv{gb0~! /BBox [0 0 236 236.008087] Your email address will not be published. 
9 0 obj Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. endobj Drop 2 44 1. >> mined both the random uncertainty and the systematic deviation were able analyse the propagation of error The order of viscosity from lowest to highest is water, sunflower oil, milk, shampoo and honey while the hypothesized order is water, milk, sunflower oil, shampoo and honey. 005 gandmis the weight of each individual bearing size. The percentage difference of experiment part A is 31.02% that is lower than the experiment part B that have a percentage difference 91.21%. following formula. /Type /XObject An abstract condenses a lab report into a brief overview of about 150300 words. The random uncertainty is calculated with Fweight=Fdrag+Fbuoyancy (1), We calculate the drag force acting on the ball by using the Stokes law equation, whereis the viscosity,Ris the radius of the ball bearing andvis the velocity of the ball. - 3 Ball Bearings (Small, Medium and Large) Objective Use Stokes Law to derive an equation relating the viscosity of a Castor oil 1. Of course, some liquids are more viscous than others. /Filter /FlateDecode WebViscosity is a measurement of a fluids resistance to change or deformation, or more simply put, how thick it is. Drop 3 146 0. Medium Final viscosity[Pas] Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest Drop 2 218 0. For example, honey is more viscous than water. Motor oil 05%, For result analysis and evaluation we calculated the average Reynolds number for each fluid with the $E}kyhyRm333:
}=#ve WebViscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. !Jk_Fgc;+%/a#;]PSL7P For example, honey is more viscous than water. The only definitive conclusion we are capable of drawing is that three measurements are not Time of displacement Webweb air track physics lab report conclusion bing experiment 5 air track physicslessons com verifying the law of conservation of momentum jeremy vosen layer viscosity thickness surface area if a glider moves on a level track in the absence of any air track physics lab report conclusion bing The fluids used are mainly liquids. This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. 
Drop Frames 240 /s Velocity[m/s] Last Updated on January 27, 2014 by Emma Vanstone. The density of the ball bearings were calculated with the following formulas $O./ 'z8WG x 0YA@$/7z HeOOT _lN:K"N3"$F/JPrb[}Qd[Sl1x{#bG\NoX3I[ql2 $8xtr p/8pCfq.Knjm{r28?. To make your observations simply drop the marble into the fluid and using the stopwatch try to time the marble as it crosses each of the marks (i.e. buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. Obviously the syrup will flow slower than the water in Medium Re Think of it as a way of giving readers a preview of your full lab report. 
Nguyen Quoc Trung. Large 1 0. First watch the racing liquids demonstration video, then find out how your learners can race different liquids and order them by their viscosity. The viscosity of a fluid describes its resistance to movement or deformation, an easy way of conceptualizing It should provide readers with a compact version of the research aims, the methods and materials used, the main results, and the final conclusion. 
In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. To understand that viscosity is a measure of a liquids resistance to flow. We noticed that sometimes our honey and golden syrup take a long time to pour, whereas water and milk pour almost too fast. Medium 7 1 7758. Liquids that have a LOW viscosity flow quickly (ie. Lastly, the Reynolds number was WebConclusion The objectives of the experiment to demonstrate Poiseuilles law and use the relation to calculate the kinematic viscosity of water were satisfied using the Ubbelohde viscometer. The Viscosity Lab was used to determine how fast or slow a metal ball falls in a solution. A fluid can be a gas or a liquid, and it is easy to see that liquids are thicker than gases, and therefore have higher viscosities. /PTEX.InfoDict 19 0 R Medium 0 0. To understand that viscosity is a measure of a liquids resistance to flow. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. the same circumstance, this is because syrup has a higher viscosity than water reason for this resistance JQ2sd /jK24DBC3t0*c e
FX0A`j `/B?&SJB0Zb 6R Sphere Average Speed[m/s] Standard deviation - 1 Caliper, Figure 3: Cylindrical containers - Glycerin, Motor Oil and Castor Oil, WhereWsystemis the systematic deviation,mis the advertised inaccuracy of the scale estimated to be moving layer it gets dragged along thereby slowing down the faster moving layer. 
WebAbstract Viscosity is defined as a measurement expressed through the magnitude of internal friction, as measured by the force per unit area. Chapter: 1-14, SM (1e) - Solutions to all the exercises from the book Introduction to Applied Linear, Lokaprf NMS 2022 - Glsur r llu efni NAMS, Introduction to Operations and Process Management - Summary, 1. Make two marks on the container which we will use to start and stop the stopwatch with. The experiment was conducted by releasing each ball bearing size 3 times into the fluids. This is also a great opportunity to practice drawing and using tables, as well as making predictions beforehand. Drop 1 43 1. enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same MS *{bxC8$V $BB3@b
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this is to look at the flow of water versus the flow of syrup. Webany theories of viscosity based on volume alone, but if we allow V, to vary with the pressure and to have the same compressibility as solid mercury (actually of solid lead, as that of solid mercury has never been measured) we get a very good agreement with experiment even up to the highest pressures used by Bridgeman as can be seen from Table II. Viscosity is a fluids internal resistance to flow under stress. 
As you fill the containers notice how easily the liquid pours, can you use this information to make predications about how viscous each one is? In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. 
Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. 2. x}[9$
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Drop 1 134 0. Table 1: Sphere Measurements and Calculated Density. 
Drop 2 53 1. - 1 Scale (1 decimal) WebConclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. Using the measurements and Think of it as a way of giving readers a preview of your full lab report. Drop 2 147 0. Small 1 0. >>>> Small 0 0. Learning objectives . Sphere Weight[g] Diameter[cm] Density[kg/m 3 ] Castor oil 17% somewhat optimistic one. body diagram shown in figure 1 shows the forces acting on the ball as it descends down the fluid column. WebConclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Solutions Manual for Automation, Production Systems, and Computer-Integrated Manufacturing, 12e TP CH02 - Duplicate Technical Problems with Answers, Chapter 12 - solution manual for managerial economics & business strategy 7th edition Michael, 0 Rapport de stage au niveau du service des urgences, Test bank 2doc - Multiple choice and true and false questions, Pdfcoffee - the test bank of chapter nine in financial management its important and effective, Solution Manual of Chapter 2 - Managerial Accounting 15th Edition (Ray H. Garrison, Eric W. Noreen and Peter C. Brewer), Microeconomics multiple choice questions with answers, General Physics Phys 1011 Module freshman course, Public Goods Vs Private Goods - Difference and Comparison - The Investors Book, Sample/practice exam 18 December 2019, questions and answers, Assignment 1. us a better estimate of the viscosity. The main source of error for a lab like this is human error. Motor Oil 22. forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. See Answer Show transcribed image text Of course, some liquids are more viscous than others. Make a table on a piece of paper (or on a board) to record your results with a column for each fluid and space underneath to write the times the marbles take. Include and Analyze Final Data. Objective Use Stokes Law to derive an equation relating the viscosity of a /Filter /FlateDecode The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor - 1 Stopwatch/Video Recorder Drop 3 42 1. 
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Glycerin 21. /Length 5381 The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. assumed to be the same as that of the viscosity. Sphere Average Speed[m/s] Standard deviation nnrwagh$
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calculated can be found in the tables bellow. 
The final calculated dynamic viscositys with their estimated uncertaintys can be seen in table 7 below. Figure: Principle of the falling-sphere viscometers. /Length 1705 
First watch the racing liquids demonstration video, then find out how your learners can race different liquids and order them by their viscosity. The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. calculated and analyzed. After each drop retrieve the marble and clean and dry it ready for the next run. WebLAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) - What conclusions can you draw regarding the viscosity and solubility of a polymer as a function of This problem has been solved! The measured viscosity of water matched the theoretical value. Drop Frames 240 /s Velocity[m/s] bearing size fall time nine times instead of three different bearing sizes, three different times would have given State Whether Your Experiment Succeeded. WebConclusion In conclusion, the temperature affected the viscosity of glycerin since the fluid is cooler, molecular activity would slow therefore the viscosity is of a bigger value. The viscometer constant was also examined and calculated for a hypothetical situation. WebThe only definitive conclusion we are capable of drawing is that three measurements are not enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same bearing size fall time nine times instead of three different bearing sizes, three different times would have given us a better estimate of the viscosity. Drop 2 135 0. /a0 << Science Sparks assume no liability with regard to injuries or damage to property that may occur as a result of using the information and carrying out the practical activities contained in this resource or in any of the suggested further resources. 
The order of viscosity from lowest to highest is water, sunflower oil, milk, shampoo and honey while the hypothesized order is water, milk, sunflower oil, shampoo and honey. 
1. Discuss the methods used. Drop Frames 240 /s Velocity[m/s] Having deter- Considering the fact that the Reynold numbers were consistently above one, perhaps we B
`q\|% [!O\|S$M)b-HM`^CYXMYt WebViscosity is a property of uids (liquids and gases) which determines how much resistance is experienced by an object trying to move through the uid. /Group 10 0 R /FormType 1 WebConclusion In conclusion, the temperature affected the viscosity of glycerin since the fluid is cooler, molecular activity would slow therefore the viscosity is of a bigger value. 0lXwTdOeC}^wQP0c4iY Tile Traveller 3 - The assignment is to program a computer game where the player is located in, L.N.Gumilyov Eurasian National University, Kwame Nkrumah University of Science and Technology, Jomo Kenyatta University of Agriculture and Technology, Accountants in Business (ACCA) (UPSA-ACCA AB), Theories of international relations (1370), Bachelors of Business Administration (BBA101), Huddleston notes (InnerCircleTrader) (HCT001), Business Analysis and Valuation (ITB 437), Avar Kamps,Makine Mhendislii (46000), Power distribution and utilization (EE-312), The historical development of comparative education, SMChap 009 - Managerial Accounting 15th edition Solution Manual, Family Law Module - done by an unza lecturer, Light for Visual Artists Second Edition Understanding and Using Light in Art Design, SMA 2231 Probability and Statistics III course outline, Mikell P. - Groover. 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