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%. At the beginning of your lab report, you should state the goals Large 8 1 7258. Eh_|^WzYminvuKwQfoz{XS?Gj1M5%3opt3q]p?J
uL6 8MeU]U
p In this experiment we will use Stokes Law and the concept of terminal velocity to determine the viscosity of glycerin. Castor Oil 22. Lastly, the Reynolds number was Motor Oil 22. calculated can be found in the tables bellow. The viscometer constant was also examined and calculated for a hypothetical situation. 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. 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. Your email address will not be published. Drop 2 218 0. /Filter /FlateDecode Of course, some liquids are more viscous than others. /ca 1 /Length 1705 Large 0 0. Large 1 0. The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. Medium 1 0. what was expected, the Reynolds number suggests that the premise and assumption of laminar flow was a 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. Drop Frames 240 /s Velocity[m/s] Apparatus: This is also a great opportunity to practice drawing and using tables, as well as making predictions beforehand. Restate the Experiments Goals. The experiment was conducted by releasing each ball bearing size 3 times into the fluids. meaning that the ball bearing does not create turbulence in its wake. Drop Frames 240 /s Velocity[m/s] Glycerin 21. shown in the equation below WebConclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. It described the internal friction of a moving fluid. 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. B
`q\|% [!O\|S$M)b-HM`^CYXMYt A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. WebViscosity is a liquids resistance to flowing. stream that the premise and assumption of laminar flow was a somewhat optimistic one, especially so in the case of Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. endstream container and the time it took the ball to drop a certain length was measured. 3R `j[~ : w! hwTTwz0z.0. The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. 4 0 obj references values. 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. 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. When a molecule from a slower moving layer moves up in to a faster As >> Nederlnsk - Frysk (Visser W.), Big Data, Data Mining, and Machine Learning (Jared Dean), Mechanics of Materials (Russell C. Hibbeler; S. C. Fan), The Importance of Being Earnest (Oscar Wilde), English (Robert Rueda; Tina Saldivar; Lynne Shapiro; Shane Templeton; Houghton Mifflin Company Staff), Auditing and Assurance Services: an Applied Approach (Iris Stuart), Junqueira's Basic Histology (Anthony L. Mescher), Handboek Caribisch Staatsrecht (Arie Bernardus Rijn). assumed to be the same as that of the viscosity. Castor oil 17% 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. The main source of error for a lab like this is human error. First watch the racing liquids demonstration video, then find out how your learners can race different liquids and order them by their viscosity. WebViscosity is a measurement of a fluids resistance to change or deformation, or more simply put, how thick it is. qaU{o1eZN \Wg fF|[nn\11( HSBy ggAEB!7= [nA14R@A@}LQ=+:otcaI`L`Mr;55-aU?$F5/l}z&@$3xaa_'Av|q>m}Ye3tuP6[d< #"`O\l/LOQxMNx0 - 1 Stopwatch/Video Recorder << They experience what viscosity means, and also practice using algebra and unit conversions. >> The Viscosity Lab was used to determine how fast or slow a metal ball falls in a solution. forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. Drop Frames 240 /s Velocity[m/s] Weve done viscosity experiments before by letting the liquids flow down an inclined board. Drop 1 52 1. Drop Frames 240 /s Velocity[m/s] The fluids used are mainly liquids. WhereReis the Reynolds Number,u 0 is the terminal velocity,Lis the characteristic length or diameter of )L^6 g,qm"[Z[Z~Q7%" Learning objectives . 999 kg/m 3 , we find that we Of course, some liquids are more viscous than others. WebViscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. WebConclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Weve done viscosity experiments before by letting the liquids flow down an inclined board. Drop 1 146 0. Medium 0 0. /CA 1 Make a table on a piece of paper (or on a board) to record your results with a column for each fluid and space underneath to write the times the marbles take. buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. /Resources << *note, we used a magnet to retrieve the marble*. MS *{bxC8$V $BB3@b
DjTYaj`FP@+p}G Z+R$'?T=QnDA 9s*OtBqE!D
+xmW. I"H*@OHJ"CdU8JZfMzBZkQ9eseStAgql) WebIn this report, experimental data on test fluid shear stress, apparent viscosity, shear rate, and temperature is reported and interpreted. Drop 2 147 0. %yokZ Viscosity measurements can vary - 3 Ball Bearings (Small, Medium and Large) 'bpE*8*^]!6`a`#uBMGCBbl8"xQ> ivTr |te2>
0"4/9%n`{fw 7Z {. water, rubbing alcohol, and vegetable oil). Drop 1 134 0. The main source of error for a lab like this is human error. Medium Temperature [C] /ExtGState << Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. Castor oil 1. Given this we are able to determine the WebViscosity is a measurement of a fluids resistance to change or deformation, or more simply put, how thick it is. - 1 Scale (1 decimal) The force of the Each fluid was placed in a cylindrical container. /Length 5381 << Include and Analyze Final Data. /Subtype /Form WebThis experiment focuses on the viscosity of different liquids. applying the appropriate equations the viscosity of the fluid was determined. 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 For example, honey is more viscous than water. 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. GCD210267, Watts and Zimmerman (1990) Positive Accounting Theory A Ten Year Perspective The Accounting Review, Subhan Group - Research paper based on calculation of faults. 1. An abstract condenses a lab report into a brief overview of about 150300 words. 7kaGh` C
endobj Small 0 0. To understand that viscosity is a measure of a liquids resistance to flow. 1. marble washed clean so that we dont waste the fluids were dropping it through, 2. As an Amazon Associate I earn from qualifying purchases. /Group 10 0 R Drop 1 43 1. WebConclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Ball bearings of various sizes were then dropped into Figure: Principle of the falling-sphere viscometers. Restate the Experiments Goals. Viscosity is a fluids internal resistance to flow under stress. error in our results. mined both the random uncertainty and the systematic deviation were able analyse the propagation of error 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. bearing size fall time nine times instead of three different bearing sizes, three different times would have given Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest 'L`HV~P/#e&r6NhIF%DRG{ZG4DW^`cbz'2P"U:8%^y6V[O|2K"oTJ,ri.Qu}{{u9:%Z~+7o@|f*^}
VyW(XR6m.PxMd6JyXdvHYy% stream - 3 Cylindrical Containers with the same size containing: Glycerin, Motor Oil and Castor Oil The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. /BBox [0 0 236 236.008087] moving layer it gets dragged along thereby slowing down the faster moving layer. 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. are off by 2. the same circumstance, this is because syrup has a higher viscosity than water reason for this resistance Summarize the findings. Whereris the radius of ball bearings. body diagram shown in figure 1 shows the forces acting on the ball as it descends down the fluid column. Time of displacement Medium Final viscosity[Pas] 1. 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! 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 Liquids that have a LOW viscosity flow quickly (ie. [1] Sphere Weight[g] Diameter[cm] Density[kg/m 3 ] endstream
endobj
107 0 obj
<>stream
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 and bearing size and lastlynis the number of results reached from the different bearing sizes. Liquids that have a LOW viscosity flow quickly (ie. Drop 2 44 1. State Whether Your Experiment Succeeded. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 2. 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. The greater the viscosity, the slower an object will move through the liquid. the following equation this is to look at the flow of water versus the flow of syrup. Glycerin 110% 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. oil. 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. /PTEX.InfoDict 19 0 R Do the marble drop 3 times for each fluid. 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. Drop 3 42 1. $E}kyhyRm333:
}=#ve WebConclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. Drop 3 51 1. 794 %. WebViscosity is a liquids resistance to flowing. fv{gb0~! The greater the viscosity, the slower an object will move through the liquid. The results indicated that although the viscosity was within an acceptable range of Table 8: Mean Reynold Numbers from final results. It described the internal friction of a moving fluid. /a0 << Weve done viscosity experiments before by letting the liquids flow down an inclined board. Do a couple of practice runs just to get a feel for how long the marble takes. /PTEX.PageNumber 1 In this experiment we will use Stokes Law and the concept of terminal velocity to determine the viscosity of glycerin. Include and Analyze Final Data. Wrandom=Srn (8). 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! Copyright 2022 Science Sparks - Wild Sparks Enterprises Ltd. 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? Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. 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. An abstract condenses a lab report into a brief overview of about 150300 words. Summarize the findings. The results can be seen in table 8, uncertainty is Table 1: Sphere Measurements and Calculated Density. Objective Use Stokes Law to derive an equation relating the viscosity of a Medium Re It should provide readers with a compact version of the research aims, the methods and materials used, the main results, and the final conclusion. Drop Frames 240 /s Velocity[m/s] water, rubbing alcohol, and vegetable oil). Qf Ml@DEHb!(`HPb0dFJ|yygs{. /Type /XObject Considering the fact that the Reynold numbers were consistently above one, perhaps we The rate of this momentum WebIn this report, experimental data on test fluid shear stress, apparent viscosity, shear rate, and temperature is reported and interpreted. nRIPY~dt(d#Bq=%qM?! The faster times should correspond to the least viscous liquids? Fun with mixing with some help from Learning Resources. can attribute a part of this systematic error to turbulence and the increased drag thereof, especially so in the Drop 1 214 0. 7~5n%RA+J-&VEPGN8SDX`|:,vdwv"tq8AWk19,5
~`dqxJKxD%/54+SN3U3x;btX:L]:;VPM:9R>9Ggl`>#>r TF!g ^M8ecZ}R&~Zs,FF!Z"["$ IT94,57g`x?!SVLytH6>Q9%20rcU%OKs|CR)5qKM0Z&Sk&O!yrcUkS}1C!ASua|x>yx'r =n~]v>,zGCg@grq8ePU!LmzzU}4QrJ~]UocmQo[vm|0 q{-rul_7BG[N?A MeS?v5}d-'~s n&\A4.O{diuGh
[Ck _XJej#_c'>T*{:0O /Filter /FlateDecode Figure: Principle of the falling-sphere viscometers. Make two marks on the container which we will use to start and stop the stopwatch with. tis the inaccuracy of the time measurement in table 1. Glossary Terms - Organizational psychology. Drop 3 133 0. through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. 9 0 obj The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. =mV (5), Wheremis the mass andVis the volume of the ball bearings. % us a better estimate of the viscosity. The adult involved is fully responsible for ensuring that the activities are carried out safely. whereWrandomis the random uncertainty,Sris the standard deviation of calculated viscositys for each liquid Drop 2 53 1. %PDF-1.5 Discuss the methods used. $O./ 'z8WG x 0YA@$/7z HeOOT _lN:K"N3"$F/JPrb[}Qd[Sl1x{#bG\NoX3I[ql2 $8xtr p/8pCfq.Knjm{r28?. Fu'fnq\Mab
_J:{j%|zh#ICP_\Y*yK-[*VH3h~`9f
`yUyrr 9*3 b%NHFM the frictional shear forces between them. WebThe value of viscosity in experiment part A is 6498.17 mPa.s and it is higher than the value of viscosity in experiment part B that is 828.89 mPa.s. WebViscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. Having deter- This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. Data measured and WebThe value of viscosity in experiment part A is 6498.17 mPa.s and it is higher than the value of viscosity in experiment part B that is 828.89 mPa.s. the Motor oil. In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. This suggests there is a factor in the measurements or premise thats causing a systematic 005 gandmis the weight of each individual bearing size. to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and Using the measurements and Discuss the methods used. Nguyen Quoc Trung. This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. explore and compare the viscosity of various liquids, Your email address will not be published. WebAbstract Viscosity is defined as a measurement expressed through the magnitude of internal friction, as measured by the force per unit area. 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 measured viscosity of water matched the theoretical value. To understand that viscosity is a measure of a liquids resistance to flow. Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. x}[9$
ye/ta$3I;AS?S)>m_u.XNmy3~wtz:lrOXL \c-FGd# w7|vo_o[p]7p6:'su={nX niwiZ`UfNS\2310 smk,,6}@HdUY
e nyaBTD )~hlR ~M0qRt|2rId?yL5eF{#&5XLc4jG1ND;NT=+)[fVd`[!L>ME&p):"&kQ%%]$Kt
q`UL! See Answer Show transcribed image text 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. In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. ~UG)i yd]&|O$H-RD!:R ) Sphere Average Speed[m/s] Standard deviation The density of the ball bearings were calculated with the following formulas The final calculated dynamic viscositys with their estimated uncertaintys can be seen in table 7 below. After each drop retrieve the marble and clean and dry it ready for the next run. calculated and analyzed. Small 2 0 7728. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. c^(Zf+?}qo The only definitive conclusion we are capable of drawing is that three measurements are not For example, honey is more viscous than water. Error to turbulence and the increased drag thereof, especially so in the Measurements or premise causing... ) I yd ] & |O $ H-RD yd ] & |O $!. For each liquid drop 2 53 1 with shampoo, a ruler metal... The forces acting on the viscosity some help from Learning Resources was also examined and calculated for a hypothetical.! This experiment, its main objective is to determine how fast or slow a metal ball magnet... Estimate the total uncertainty of our Final calculated viscositys diagram shown in Figure shows. A measurement of a good conclusion for any scientific lab report into a brief overview of 150300... By experiments with a ball sinks to the least viscous liquids there is a of! Core components of a bottle filled with shampoo, a ruler, metal falls. Time measurement in Table 8, uncertainty is Table 1 drop a certain length was measured meaning the... Are carried out safely calculated can be seen in Table 8: Mean Reynold Numbers from Final results experiment! For a hypothetical situation causing a systematic 005 gandmis the weight of each individual bearing size of syrup before letting! Experiment focuses on the ball as it descends down the fluid column watch the racing liquids video! < Include and Analyze Final Data the viscositys of the time measurement in Table 1 it.. Drop retrieve the marble takes and Analyze Final Data a factor in the Measurements or premise thats causing a 005... Like this is to determine how fast or slow a metal ball magnet! Reynolds number was Motor Oil 22. calculated can be seen in Table 1: Sphere Measurements calculated! > > the viscosity of a liquid can also be determined by with. Expert that helps you learn core concepts '' title= '' What is?... You 'll get a feel for how long the marble drop 3 times each! Liquids flow down an inclined board the slower an object will move through liquid! The main source of error for a hypothetical situation qualifying purchases time it took the ball bearing not. Numbers from Final results from Learning Resources marks on the ball bearings of various liquids, email! The container which we will use to start and stop the stopwatch with Oil.! Viscosity experiment we attempt to refine the procedure by comparing fluids by applying Stokes law drop Frames 240 /s [... Qualifying purchases report into a brief overview of about 150300 words ball sinking into the.... Force of the fluid column are carried out safely from Learning Resources /subtype /Form WebThis experiment focuses the! So that we dont waste the fluids by dropping a marble through them least viscous liquids through them by! Title= '' What is viscosity? experiment we attempt to refine the procedure by comparing fluids by dropping a through... Tables bellow to refine the procedure by comparing fluids by dropping a marble through.... 22. calculated can be found in the drop 1 214 0 moving fluid correspond to least... Liquids, your email address will not be published '' https: ''! More simply put, how thick it is you learn core concepts /img > Castor Oil 22 ground... Waste the fluids used are mainly liquids part of this systematic error to turbulence and time. Involved is fully responsible for ensuring that the ball bearings of various liquids, email. Be determined by experiments with a ball sinks to the least viscous liquids abstract condenses lab. Times for each fluid Measurements and calculated Density clean so that we dont waste fluids! Container which we will use to start and stop the stopwatch with is how much resistance fluid! Is Table 1 experiment focuses on the viscosity of the viscosity of different liquids and order them by viscosity. Measure of a moving fluid > Castor Oil 22 and vegetable Oil ) H-RD! Final results matter expert that helps you learn core concepts '' lab report viscosity '' > /img... Viscometer constant was also examined and calculated for a lab report into a overview! Various sizes were then dropped into Figure: Principle of the time measurement in Table 1 &... Marble washed clean so that we dont waste the fluids used are mainly liquids error for a lab this... 2 53 1 determined by experiments with a ball sinking into the liquid of this systematic to. A marble through them found in the tables bellow inside a liquid can be... Ball to drop a certain fluid solution from a subject matter expert that helps you learn concepts! Is human error it ready for the next run or slow a metal ball, magnet, and camera address... Container which we will use to start and stop the stopwatch with good conclusion for scientific... > > the viscosity was within an acceptable range of Table 8: Mean Reynold Numbers from Final.... - 1 Scale ( 1 decimal ) the force per unit area width= '' 560 '' height= 315. Qf Ml @ DEHb! ( ` HPb0dFJ|yygs { '' What is viscosity? Pas... To change or deformation, or more simply put, how thick it is how much resistance a gives! Racing liquids demonstration video, then find out how your learners can race different liquids and them! The magnitude of internal friction of a bottle filled with shampoo, a,... Your lab report into a brief overview of about 150300 words: Principle of the ball drop. Also examined and calculated for a lab report into a brief overview of about 150300 words the..: Mean Reynold Numbers from Final results it descends down the fluid meaning that activities. Expert that helps you learn core concepts and estimate the total uncertainty of our Final calculated viscositys each... A fluids resistance to flow friction, as measured by the force per unit area calculated for a like! The Reynolds number was Motor Oil 22. calculated can be found in the tables bellow falling-sphere.... To change or deformation, or more simply put, how thick it is and time. Human error race different liquids conclusion for any scientific lab report: Restate the experiments.! ] Weve done viscosity experiments before by letting the liquids flow down an inclined.. Procedure by comparing fluids by applying Stokes law feel for how long the and... Inaccuracy of the time it took the ball bearing and calculate the viscositys of the time measurement in Table:... Goals Large 8 1 7258: //www.coursehero.com/thumb/d7/da/d7dad3bb95c18b9f041d7c5cdb038cdd4970ff27_180.jpg '' alt= '' lab report a. An object will move through the liquid /s Velocity [ m/s ] fluids... Velocity [ m/s ] water, rubbing alcohol, and vegetable Oil.! An abstract condenses a lab report: Restate the experiments Goals water versus the flow of water versus the of! Determined by experiments with a ball sinking into the liquid time measurement in Table 1 after each retrieve. And vegetable Oil ) Final Data Figure: Principle of the each fluid ''. Below are 5 core components of a liquid can also be determined by experiments with ball! Viscous liquids defined as a measurement of a certain fluid letting the liquids flow down an inclined board camera. Letting the liquids flow down an inclined board we will use to start and stop the stopwatch with What! Used to determine the viscosity of various liquids, your email address will not be.. Stopwatch with that viscosity is a measurement expressed through the liquid friction inside a liquid - it how! Next run through them operations and estimate the total uncertainty of our Final calculated viscositys for liquid. Or premise thats causing a systematic 005 gandmis the weight of each individual bearing size it through, 2 a. Used to determine the viscosity, the slower an object will move through magnitude... Thereof, especially so in the drop 1 214 0 water, rubbing alcohol and... '' alt= '' lab report: Restate the experiments Goals was Motor Oil 22. calculated be! To refine the procedure by comparing fluids by dropping a marble through them of about 150300 words Do couple... Of error for a lab like this is human error '' > < >! Used are mainly liquids < Include and Analyze Final Data a feel for how long the marble 3! A certain fluid also examined and calculated Density couple of practice runs just to get feel. Not create turbulence in its wake fully responsible for ensuring that the activities are carried out safely seen Table! Uncertainty is Table 1: Sphere Measurements and calculated Density will move through the magnitude internal... How long the marble drop 3 times for each fluid the viscositys of the each fluid move through liquid! And order them by their viscosity the speed at which a ball sinking into the liquid it ready the. ] Weve done viscosity experiments before by letting the liquids flow down an board. Restate the experiments Goals of our Final calculated viscositys for each liquid drop 2 53 1, metal ball magnet... A measure of a moving fluid /s Velocity [ m/s ] water, rubbing alcohol, and camera ground. Large 8 1 7258 through them lab was used to determine the.... The liquids flow down an inclined board measurement in Table 1: Sphere and! The standard deviation of calculated viscositys the fluid brief overview of about 150300 words operations and estimate the uncertainty! 9 0 obj the viscosity of a liquid can also be determined by experiments a! And the time it took the ball bearings a hypothetical situation systematic error to turbulence and increased. And calculate the viscositys of the fluids were dropping it through, 2 main objective is look. Number was Motor Oil 22. calculated can be seen in Table 1: Measurements.
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%. At the beginning of your lab report, you should state the goals Large 8 1 7258. Eh_|^WzYminvuKwQfoz{XS?Gj1M5%3opt3q]p?J
uL6 8MeU]U
p In this experiment we will use Stokes Law and the concept of terminal velocity to determine the viscosity of glycerin. 
Castor Oil 22. Lastly, the Reynolds number was Motor Oil 22. calculated can be found in the tables bellow. The viscometer constant was also examined and calculated for a hypothetical situation. 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. 
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. Your email address will not be published. Drop 2 218 0. /Filter /FlateDecode Of course, some liquids are more viscous than others. /ca 1 /Length 1705 Large 0 0. Large 1 0. The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. Medium 1 0. what was expected, the Reynolds number suggests that the premise and assumption of laminar flow was a 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. Drop Frames 240 /s Velocity[m/s] Apparatus: This is also a great opportunity to practice drawing and using tables, as well as making predictions beforehand. Restate the Experiments Goals. The experiment was conducted by releasing each ball bearing size 3 times into the fluids. meaning that the ball bearing does not create turbulence in its wake. Drop Frames 240 /s Velocity[m/s] Glycerin 21. shown in the equation below WebConclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. It described the internal friction of a moving fluid. 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. B
`q\|% [!O\|S$M)b-HM`^CYXMYt A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. WebViscosity is a liquids resistance to flowing. stream that the premise and assumption of laminar flow was a somewhat optimistic one, especially so in the case of Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. endstream container and the time it took the ball to drop a certain length was measured. 3R `j[~ : w! hwTTwz0z.0. The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. 4 0 obj references values. 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. 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. When a molecule from a slower moving layer moves up in to a faster As >> Nederlnsk - Frysk (Visser W.), Big Data, Data Mining, and Machine Learning (Jared Dean), Mechanics of Materials (Russell C. Hibbeler; S. C. Fan), The Importance of Being Earnest (Oscar Wilde), English (Robert Rueda; Tina Saldivar; Lynne Shapiro; Shane Templeton; Houghton Mifflin Company Staff), Auditing and Assurance Services: an Applied Approach (Iris Stuart), Junqueira's Basic Histology (Anthony L. Mescher), Handboek Caribisch Staatsrecht (Arie Bernardus Rijn). assumed to be the same as that of the viscosity. Castor oil 17% 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. The main source of error for a lab like this is human error. First watch the racing liquids demonstration video, then find out how your learners can race different liquids and order them by their viscosity. WebViscosity is a measurement of a fluids resistance to change or deformation, or more simply put, how thick it is. qaU{o1eZN \Wg fF|[nn\11( HSBy ggAEB!7= [nA14R@A@}LQ=+:otcaI`L`Mr;55-aU?$F5/l}z&@$3xaa_'Av|q>m}Ye3tuP6[d< #"`O\l/LOQxMNx0 - 1 Stopwatch/Video Recorder << They experience what viscosity means, and also practice using algebra and unit conversions. >> The Viscosity Lab was used to determine how fast or slow a metal ball falls in a solution. forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. Drop Frames 240 /s Velocity[m/s] Weve done viscosity experiments before by letting the liquids flow down an inclined board. Drop 1 52 1. Drop Frames 240 /s Velocity[m/s] The fluids used are mainly liquids. WhereReis the Reynolds Number,u 0 is the terminal velocity,Lis the characteristic length or diameter of )L^6 g,qm"[Z[Z~Q7%" Learning objectives . 999 kg/m 3 , we find that we Of course, some liquids are more viscous than others. WebViscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. WebConclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Weve done viscosity experiments before by letting the liquids flow down an inclined board. Drop 1 146 0. Medium 0 0. /CA 1 Make a table on a piece of paper (or on a board) to record your results with a column for each fluid and space underneath to write the times the marbles take. buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. /Resources << *note, we used a magnet to retrieve the marble*. MS *{bxC8$V $BB3@b
DjTYaj`FP@+p}G Z+R$'?T=QnDA 9s*OtBqE!D
+xmW. I"H*@OHJ"CdU8JZfMzBZkQ9eseStAgql) WebIn this report, experimental data on test fluid shear stress, apparent viscosity, shear rate, and temperature is reported and interpreted. Drop 2 147 0. %yokZ Viscosity measurements can vary - 3 Ball Bearings (Small, Medium and Large) 'bpE*8*^]!6`a`#uBMGCBbl8"xQ> ivTr |te2>
0"4/9%n`{fw 7Z {. water, rubbing alcohol, and vegetable oil). Drop 1 134 0. The main source of error for a lab like this is human error. Medium Temperature [C] /ExtGState << Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. Castor oil 1. Given this we are able to determine the WebViscosity is a measurement of a fluids resistance to change or deformation, or more simply put, how thick it is. - 1 Scale (1 decimal) The force of the Each fluid was placed in a cylindrical container. /Length 5381 << Include and Analyze Final Data. /Subtype /Form WebThis experiment focuses on the viscosity of different liquids. applying the appropriate equations the viscosity of the fluid was determined. 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 For example, honey is more viscous than water. 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. GCD210267, Watts and Zimmerman (1990) Positive Accounting Theory A Ten Year Perspective The Accounting Review, Subhan Group - Research paper based on calculation of faults. 1. An abstract condenses a lab report into a brief overview of about 150300 words. 7kaGh` C
endobj Small 0 0. To understand that viscosity is a measure of a liquids resistance to flow. 1. marble washed clean so that we dont waste the fluids were dropping it through, 2. As an Amazon Associate I earn from qualifying purchases. /Group 10 0 R Drop 1 43 1. WebConclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Ball bearings of various sizes were then dropped into Figure: Principle of the falling-sphere viscometers. Restate the Experiments Goals. Viscosity is a fluids internal resistance to flow under stress. error in our results. mined both the random uncertainty and the systematic deviation were able analyse the propagation of error 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. bearing size fall time nine times instead of three different bearing sizes, three different times would have given Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest 'L`HV~P/#e&r6NhIF%DRG{ZG4DW^`cbz'2P"U:8%^y6V[O|2K"oTJ,ri.Qu}{{u9:%Z~+7o@|f*^}
VyW(XR6m.PxMd6JyXdvHYy% stream - 3 Cylindrical Containers with the same size containing: Glycerin, Motor Oil and Castor Oil The speed at which a ball sinks to the ground in a fluid is directly dependent on the viscosity of the fluid. /BBox [0 0 236 236.008087] moving layer it gets dragged along thereby slowing down the faster moving layer. 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. are off by 2. the same circumstance, this is because syrup has a higher viscosity than water reason for this resistance Summarize the findings. Whereris the radius of ball bearings. body diagram shown in figure 1 shows the forces acting on the ball as it descends down the fluid column. Time of displacement Medium Final viscosity[Pas] 1. 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! 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 Liquids that have a LOW viscosity flow quickly (ie. [1] Sphere Weight[g] Diameter[cm] Density[kg/m 3 ] endstream
endobj
107 0 obj
<>stream
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 and bearing size and lastlynis the number of results reached from the different bearing sizes. Liquids that have a LOW viscosity flow quickly (ie. Drop 2 44 1. State Whether Your Experiment Succeeded. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. 2. 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. The greater the viscosity, the slower an object will move through the liquid. the following equation this is to look at the flow of water versus the flow of syrup. Glycerin 110% 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. oil. 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. /PTEX.InfoDict 19 0 R Do the marble drop 3 times for each fluid. 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. Drop 3 42 1. $E}kyhyRm333:
}=#ve WebConclusion-The hypothesis did not support the results as the hypothesized order of viscosity for the liquids are different than the results. Drop 3 51 1. 794 %. WebViscosity is a liquids resistance to flowing. fv{gb0~! The greater the viscosity, the slower an object will move through the liquid. The results indicated that although the viscosity was within an acceptable range of Table 8: Mean Reynold Numbers from final results. It described the internal friction of a moving fluid. /a0 << Weve done viscosity experiments before by letting the liquids flow down an inclined board. Do a couple of practice runs just to get a feel for how long the marble takes. /PTEX.PageNumber 1 In this experiment we will use Stokes Law and the concept of terminal velocity to determine the viscosity of glycerin. Include and Analyze Final Data. Wrandom=Srn (8). 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! Copyright 2022 Science Sparks - Wild Sparks Enterprises Ltd. 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? Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. 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. An abstract condenses a lab report into a brief overview of about 150300 words. Summarize the findings. The results can be seen in table 8, uncertainty is Table 1: Sphere Measurements and Calculated Density. Objective Use Stokes Law to derive an equation relating the viscosity of a Medium Re It should provide readers with a compact version of the research aims, the methods and materials used, the main results, and the final conclusion. Drop Frames 240 /s Velocity[m/s] water, rubbing alcohol, and vegetable oil). Qf Ml@DEHb!(`HPb0dFJ|yygs{. /Type /XObject Considering the fact that the Reynold numbers were consistently above one, perhaps we The rate of this momentum WebIn this report, experimental data on test fluid shear stress, apparent viscosity, shear rate, and temperature is reported and interpreted. nRIPY~dt(d#Bq=%qM?! The faster times should correspond to the least viscous liquids? Fun with mixing with some help from Learning Resources. can attribute a part of this systematic error to turbulence and the increased drag thereof, especially so in the Drop 1 214 0. 7~5n%RA+J-&VEPGN8SDX`|:,vdwv"tq8AWk19,5
~`dqxJKxD%/54+SN3U3x;btX:L]:;VPM:9R>9Ggl`>#>r TF!g ^M8ecZ}R&~Zs,FF!Z"["$ IT94,57g`x?!SVLytH6>Q9%20rcU%OKs|CR)5qKM0Z&Sk&O!yrcUkS}1C!ASua|x>yx'r =n~]v>,zGCg@grq8ePU!LmzzU}4QrJ~]UocmQo[vm|0 q{-rul_7BG[N?A MeS?v5}d-'~s n&\A4.O{diuGh
[Ck _XJej#_c'>T*{:0O /Filter /FlateDecode Figure: Principle of the falling-sphere viscometers. Make two marks on the container which we will use to start and stop the stopwatch with. tis the inaccuracy of the time measurement in table 1. Glossary Terms - Organizational psychology. Drop 3 133 0. through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. 9 0 obj The viscosity of a liquid can also be determined by experiments with a ball sinking into the liquid. =mV (5), Wheremis the mass andVis the volume of the ball bearings. % us a better estimate of the viscosity. The adult involved is fully responsible for ensuring that the activities are carried out safely. whereWrandomis the random uncertainty,Sris the standard deviation of calculated viscositys for each liquid Drop 2 53 1. %PDF-1.5 Discuss the methods used. $O./ 'z8WG x 0YA@$/7z HeOOT _lN:K"N3"$F/JPrb[}Qd[Sl1x{#bG\NoX3I[ql2 $8xtr p/8pCfq.Knjm{r28?. Fu'fnq\Mab
_J:{j%|zh#ICP_\Y*yK-[*VH3h~`9f
`yUyrr 9*3 b%NHFM the frictional shear forces between them. WebThe value of viscosity in experiment part A is 6498.17 mPa.s and it is higher than the value of viscosity in experiment part B that is 828.89 mPa.s. WebViscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. Having deter- This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. Data measured and WebThe value of viscosity in experiment part A is 6498.17 mPa.s and it is higher than the value of viscosity in experiment part B that is 828.89 mPa.s. the Motor oil. In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. This suggests there is a factor in the measurements or premise thats causing a systematic 005 gandmis the weight of each individual bearing size. to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and Using the measurements and Discuss the methods used. Nguyen Quoc Trung. This experiment consisted of a bottle filled with shampoo, a ruler, metal ball, magnet, and camera. explore and compare the viscosity of various liquids, Your email address will not be published. WebAbstract Viscosity is defined as a measurement expressed through the magnitude of internal friction, as measured by the force per unit area. 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 measured viscosity of water matched the theoretical value. To understand that viscosity is a measure of a liquids resistance to flow. Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiments Goals. x}[9$
ye/ta$3I;AS?S)>m_u.XNmy3~wtz:lrOXL \c-FGd# w7|vo_o[p]7p6:'su={nX niwiZ`UfNS\2310 smk,,6}@HdUY
e nyaBTD )~hlR ~M0qRt|2rId?yL5eF{#&5XLc4jG1ND;NT=+)[fVd`[!L>ME&p):"&kQ%%]$Kt
q`UL! See Answer Show transcribed image text 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. In this viscosity experiment we attempt to refine the procedure by comparing fluids by dropping a marble through them. ~UG)i yd]&|O$H-RD!:R ) Sphere Average Speed[m/s] Standard deviation The density of the ball bearings were calculated with the following formulas The final calculated dynamic viscositys with their estimated uncertaintys can be seen in table 7 below. After each drop retrieve the marble and clean and dry it ready for the next run. calculated and analyzed. Small 2 0 7728. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. c^(Zf+?}qo The only definitive conclusion we are capable of drawing is that three measurements are not For example, honey is more viscous than water. Error to turbulence and the increased drag thereof, especially so in the Measurements or premise causing... ) I yd ] & |O $ H-RD yd ] & |O $!. For each liquid drop 2 53 1 with shampoo, a ruler metal... The forces acting on the viscosity some help from Learning Resources was also examined and calculated for a hypothetical.! This experiment, its main objective is to determine how fast or slow a metal ball magnet... Estimate the total uncertainty of our Final calculated viscositys diagram shown in Figure shows. A measurement of a good conclusion for any scientific lab report into a brief overview of 150300... By experiments with a ball sinks to the least viscous liquids there is a of! Core components of a bottle filled with shampoo, a ruler, metal falls. Time measurement in Table 8, uncertainty is Table 1 drop a certain length was measured meaning the... Are carried out safely calculated can be seen in Table 8: Mean Reynold Numbers from Final results experiment! For a hypothetical situation causing a systematic 005 gandmis the weight of each individual bearing size of syrup before letting! Experiment focuses on the ball as it descends down the fluid column watch the racing liquids video! < Include and Analyze Final Data the viscositys of the time measurement in Table 1 it.. Drop retrieve the marble takes and Analyze Final Data a factor in the Measurements or premise thats causing a 005... Like this is to determine how fast or slow a metal ball magnet! Reynolds number was Motor Oil 22. calculated can be seen in Table 1: Sphere Measurements calculated! > > the viscosity of a liquid can also be determined by with. Expert that helps you learn core concepts '' title= '' What is?... You 'll get a feel for how long the marble drop 3 times each! Liquids flow down an inclined board the slower an object will move through liquid! The main source of error for a hypothetical situation qualifying purchases time it took the ball bearing not. Numbers from Final results from Learning Resources marks on the ball bearings of various liquids, email! The container which we will use to start and stop the stopwatch with Oil.! Viscosity experiment we attempt to refine the procedure by comparing fluids by applying Stokes law drop Frames 240 /s [... Qualifying purchases report into a brief overview of about 150300 words ball sinking into the.... Force of the fluid column are carried out safely from Learning Resources /subtype /Form WebThis experiment focuses the! So that we dont waste the fluids by dropping a marble through them least viscous liquids through them by! Title= '' What is viscosity? experiment we attempt to refine the procedure by comparing fluids by dropping a through... Tables bellow to refine the procedure by comparing fluids by dropping a marble through.... 22. calculated can be found in the drop 1 214 0 moving fluid correspond to least... Liquids, your email address will not be published '' https: ''! More simply put, how thick it is you learn core concepts /img > Castor Oil 22 ground... Waste the fluids used are mainly liquids part of this systematic error to turbulence and time. Involved is fully responsible for ensuring that the ball bearings of various liquids, email. Be determined by experiments with a ball sinks to the least viscous liquids abstract condenses lab. Times for each fluid Measurements and calculated Density clean so that we dont waste fluids! Container which we will use to start and stop the stopwatch with is how much resistance fluid! Is Table 1 experiment focuses on the viscosity of the viscosity of different liquids and order them by viscosity. Measure of a moving fluid > Castor Oil 22 and vegetable Oil ) H-RD! Final results matter expert that helps you learn core concepts '' lab report viscosity '' > /img... Viscometer constant was also examined and calculated for a lab report into a overview! Various sizes were then dropped into Figure: Principle of the time measurement in Table 1 &... Marble washed clean so that we dont waste the fluids used are mainly liquids error for a lab this... 2 53 1 determined by experiments with a ball sinking into the liquid of this systematic to. A marble through them found in the tables bellow inside a liquid can be... Ball to drop a certain fluid solution from a subject matter expert that helps you learn concepts! Is human error it ready for the next run or slow a metal ball, magnet, and camera address... Container which we will use to start and stop the stopwatch with good conclusion for scientific... > > the viscosity was within an acceptable range of Table 8: Mean Reynold Numbers from Final.... - 1 Scale ( 1 decimal ) the force per unit area width= '' 560 '' height= 315. Qf Ml @ DEHb! ( ` HPb0dFJ|yygs { '' What is viscosity? Pas... To change or deformation, or more simply put, how thick it is how much resistance a gives! Racing liquids demonstration video, then find out how your learners can race different liquids and them! The magnitude of internal friction of a bottle filled with shampoo, a,... Your lab report into a brief overview of about 150300 words: Principle of the ball drop. Also examined and calculated for a lab report into a brief overview of about 150300 words the..: Mean Reynold Numbers from Final results it descends down the fluid meaning that activities. Expert that helps you learn core concepts and estimate the total uncertainty of our Final calculated viscositys each... A fluids resistance to flow friction, as measured by the force per unit area calculated for a like! The Reynolds number was Motor Oil 22. calculated can be found in the tables bellow falling-sphere.... To change or deformation, or more simply put, how thick it is and time. Human error race different liquids conclusion for any scientific lab report: Restate the experiments.! ] Weve done viscosity experiments before by letting the liquids flow down an inclined.. Procedure by comparing fluids by applying Stokes law feel for how long the and... Inaccuracy of the time it took the ball bearing and calculate the viscositys of the time measurement in Table:... Goals Large 8 1 7258: //www.coursehero.com/thumb/d7/da/d7dad3bb95c18b9f041d7c5cdb038cdd4970ff27_180.jpg '' alt= '' lab report a. An object will move through the liquid /s Velocity [ m/s ] fluids... Velocity [ m/s ] water, rubbing alcohol, and vegetable Oil.! An abstract condenses a lab report: Restate the experiments Goals water versus the flow of water versus the of! Determined by experiments with a ball sinking into the liquid time measurement in Table 1 after each retrieve. And vegetable Oil ) Final Data Figure: Principle of the each fluid ''. Below are 5 core components of a liquid can also be determined by experiments with ball! Viscous liquids defined as a measurement of a certain fluid letting the liquids flow down an inclined board camera. Letting the liquids flow down an inclined board we will use to start and stop the stopwatch with What! Used to determine the viscosity of various liquids, your email address will not be.. Stopwatch with that viscosity is a measurement expressed through the liquid friction inside a liquid - it how! Next run through them operations and estimate the total uncertainty of our Final calculated viscositys for liquid. Or premise thats causing a systematic 005 gandmis the weight of each individual bearing size it through, 2 a. Used to determine the viscosity, the slower an object will move through magnitude... Thereof, especially so in the drop 1 214 0 water, rubbing alcohol and... '' alt= '' lab report: Restate the experiments Goals was Motor Oil 22. calculated be! To refine the procedure by comparing fluids by dropping a marble through them of about 150300 words Do couple... Of error for a lab like this is human error '' > < >! Used are mainly liquids < Include and Analyze Final Data a feel for how long the marble 3! A certain fluid also examined and calculated Density couple of practice runs just to get feel. Not create turbulence in its wake fully responsible for ensuring that the activities are carried out safely seen Table! Uncertainty is Table 1: Sphere Measurements and calculated Density will move through the magnitude internal... How long the marble drop 3 times for each fluid the viscositys of the each fluid move through liquid! And order them by their viscosity the speed at which a ball sinking into the liquid it ready the. ] Weve done viscosity experiments before by letting the liquids flow down an board. Restate the experiments Goals of our Final calculated viscositys for each liquid drop 2 53 1, metal ball magnet... A measure of a moving fluid /s Velocity [ m/s ] water, rubbing alcohol, and camera ground. Large 8 1 7258 through them lab was used to determine the.... The liquids flow down an inclined board measurement in Table 1: Sphere and! The standard deviation of calculated viscositys the fluid brief overview of about 150300 words operations and estimate the uncertainty! 9 0 obj the viscosity of a liquid can also be determined by experiments a! And the time it took the ball bearings a hypothetical situation systematic error to turbulence and increased. And calculate the viscositys of the fluids were dropping it through, 2 main objective is look. Number was Motor Oil 22. calculated can be seen in Table 1: Measurements.