Motor Oil 22. Viscosity is a fluids internal resistance to flow under stress. the following equation a measure of how much a given displacement differs locally from a rigid-body displacement. Which liquid has the highest viscosity? calculated can be found in the tables bellow. This gives the two variables an inverse relationship. The answer is a property of liquids called viscosity. Drop 3 42 1. Given this we are able to determine the Results Here is a table of the data we collected in this experiment. The point of your lab report is not to merely confirm what you expect. What is the relationship between viscosity and velocity? Temperature in Farenheight Time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43. . Drop 1 146 0. Castor oil 17% Sir George Stokes was a British scientist that discovered the relationship between viscosity and velocity of a sphere in a liquid in 1851. Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiment's Goals. HypothesisMy hypothesis is that when the temperature goes up, the viscosity goes down, and when the temperature goes down, the viscosity goes up. She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. How does heat affect viscosity? References 2. to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and 3. Medium Final viscosity[Pas] . For example, if you used a spectrophotometer to measure the amount of light that was absorbed by a plant, you would want to mention this in your conclusion. Start by filling each glass with one of the liquids. The ice has less friction, so the box will slide further. help. When a molecule from a slower moving layer moves up in to a faster 10. the fluid that are moving different velocity. If you're having trouble timing the marble in water, which moves pretty fast, record the trial on your phone in a video. In a lab flow test using Athabasca tar sand and propane as solvent, 50 percent of the bitumen was recovered as upgraded oil. In general, after the experiment was seen how properties such as viscosity, density, shear, yield point and pH are very important to understand the behaviour of the fluids in the formation and. Filtration time was 1.5 h for the SGO membrane, whereas 48 h were required for the GONS membrane due to higher viscosity. Thats nearly half an hour! Nguyen Quoc Trung. Apparatus: Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest 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. Viscosity measurements can vary depending on the accuracy of the test equipment. Ch09 - Chapter 09 solution for Intermediate Accounting by Donald E. Kieso, Jerry J. Temperature in Farenheight Time in secs Cold 28.20 2246.80 Room Temp 72.70 336.51 Hot 208.00 1.43. MEASURING VISCOSITY OF DIFFERENT FLUIDS USING BALL DROP METHOD. Cite this page Viscosity Research Paper Pages: 2 (520 words) Content uploaded by Bilal Ahmad. This site is using cookies under cookie policy . Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. What was the conclusion of the experiment? Topic: The effect of salt concentration on the rate of photosynthesis. Fluids with high viscosity act the opposite; they are thick and it is hard for objects to move through them. Higher the viscosity of liquid bitumen, the more nearly it approaches a semi-solid state in consistency. Our body senses molecules jumping around a lot as heat. Lab Report: Water and Ice Does ice have more or less volume than water. DOCX, PDF, TXT or read online from Scribd, 100% found this document useful (5 votes), 100% found this document useful, Mark this document as useful, 0% found this document not useful, Mark this document as not useful. Having deter- Find the diameter (d) of the ball using the screw gauge. Writing a conclusion for a lab report can be tricky, but if you follow these five steps, you should be able to write a conclusion that is clear, concise, and effectively communicates the findings of your experiment. Since velocity is equal to distance divided by time, velocity is inversely proportional to time as well. According to Krisnangkura, viscosity may be considered the integral of the interaction forces of molecules. A unique property of liquids is something called viscosity. The greater the. How much did you enjoy doing the experiment? Report Use the template provided to prepare your lab report for this experiment. When one variable gets bigger, the other gets smaller. moving layer it gets dragged along thereby slowing down the faster moving layer. mined both the random uncertainty and the systematic deviation were able analyse the propagation of error This means that when the temperature goes up, viscosity goes down, and when the temperature goes up, viscosity goes down. Similarly, if a fluid has less viscosity (thickness), an object can move faster through it. - 3 Ball Bearings (Small, Medium and Large) Your report should include the following: Table(s) of raw data; Table(s) of results; For Part A, on one graph, plot the head loss across the fittings (y-axis) against the velocity head (x-axis). Viscosity Experiment. Re =viscous forcesinertial forces =u 0 L (10) Drop 2 53 1. Castor oil 1. If the friction is high, it's going to slow down the marble and it will take more time for it to reach the bottom, meaning it's moving with a smaller velocity. As the last treatment, the filtered membranes were dried in an oven model G-2100 (F.LLI GALLI G. & P. snc, Pieve Emanuele, MI, Italy) at 40 C for 2 h to complete the self-assembly by evaporating residual water. Solid densities: from about 0. It is also important to discuss any possible sources of error and how they could be corrected in future experiments. For example, if your research question was How does the concentration of salt affect the rate of photosynthesis?, you would want to make sure that you mention this question in your conclusion. R = ..ohm, Which of the following forces are dissipative in nature. Finally, the conclusion should offer some suggestions for further research. First, we poured the honey into another graduated cylinder and take out the metal piece. Drop one marble at a time and observe what happens to the marble when it enters the liquid. 1. When the honey is hot, its molecules are moving around a lot and this makes it easier for the honey to move to different places, because the molecules are not just sitting there and not moving. To learn more, view ourPrivacy Policy. Become Premium to read the whole document. 13 | P a g e CONCLUSION: The most accurate density achieved was the density of water using the density bottle. 4 clear glass jars of the same size (we used pint-sized mason jars). What was the conclusion of the experiment? Extracts from this document. The main source of error for a lab like this is human error. LAB 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 crosslinking? Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, L.N.Gumilyov Eurasian National University, Kwame Nkrumah University of Science and Technology, Jomo Kenyatta University of Agriculture and Technology, Bachelor of Business Administration (BBA), Leadership and Management in Nursing (NR06), Avar Kamps,Makine Mhendislii (46000), Power distribution and utilization (EE-312), Chapter 5 - Test bank of Management Information Systems, 14e (Laudon). Drop 3 220 0. This lab report will address changes in rheological parameters of fluids measured Basically, they have an inverse relationship. somewhat optimistic one. through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. I feel like its a lifeline. The measured viscosity of water matched the theoretical value. This is why it is perfectly acceptable to reject the hypothesis. spheres of a known mass and density into an oil. Log in out of 10 LAB 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. As 3 graduated cylindersHoneyMetal piece/marble (has to be something that doesnt float. different diameter, different density of oil and stop watch. Drop 3 51 1. P2 - Practices digital signal processing are practices p1,p2,p3. Theory We consider the schematic in Figure1. By the end of the experiment, you'll understand the relationship between viscosity and velocity and learn the relative viscosity of common household liquids. Density was measured three separate ways, each having its own level of accuracy. By continuing well assume youre on board with our cookie policy, Dont waste Your Time Searching For a Sample, Two Factors Affect The Viscosity Of Magma, Reaction Of Alkali Metals With Water Lab Report, Coping With Water Scarcity, Poor Water Quality and Inadequate Sanitation, CH 456: Determination of Water Hardness of Filtered and Unfiltered Water, ASK writer for ResearchGate has not been able to . The viscosity of a liquid can be measured using a viscometer. The density of the ball bearings were calculated with the following formulas The time taken to travel between two marks on the beaker was recorded. By using our site, you agree to our collection of information through the use of cookies. Medium Temperature [C] Drop 1 43 1. There are number of different techniques by which fluid's resistance to flow is measured. Get your timer ready. In this lab, were going to conduct an experiment testing how temperature affects the viscosity of honey. Using the measurements and Hint: What is the experiment title? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. The results indicated that although the viscosity was within an acceptable range of Plot the data for the calibration run and report the value of C. Be sure to include the point (W/,) = (0,0) to verify that the t is reasonable. This will help to ensure that readers understand how the data was collected and can evaluate its reliability. =mV (5), Wheremis the mass andVis the volume of the ball bearings. The Physics Practicals For Class 12 CBSE is given here so that students can understand the experiments in a better way.experiment, we include viscosity and attempt to verify Poiseuille's . 794 %. Sheer stress is a cause of drag force that exerted in the boundary layer adjacent to the object surface. 2. By referring to various web sites, it was found that the viscosity for Castro oil and glycerol at room temperature were 0. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. The random uncertainty is calculated with EXPERIMENT TO DETERMINE THE VISCOSITY OF GLYCERINE. Each fluid was placed in a cylindrical container. Wrandom=Srn (8). The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. 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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. How did you know? Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. Time how long it takes for the marble to sink. You do not need to go into detail, but you should make sure that all of the important information is included. Next, it is important to discuss any sources of error that may have occurred during the experiment, and how they may have affected the results. the bearing andvis the kinematic viscosity of the fluids. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Your email address will not be published. In our case, to determine the viscosity of the different fluids, first we need to assume that the flow is laminate Sphere Average Speed[m/s] Standard deviation 999 kg/m 3 , we find that we Of course, some liquids are more viscous than others. What a big difference! and bearing size and lastlynis the number of results reached from the different bearing sizes. 13. Author content. Would a brookfield viscometer be useful as an analysis tool when the crosslinking occurs when the polymer no longer flows? 2401 secandtis the average fall time in frames for each bearing size. What Melts Ice Fastest? the frictional shear forces between them. Method1. Regardless, the results for the fluids viscosity are consistently above the Glycerin 110% Drop 2 218 0. Why do different fluids move at different rates? This is where you will summarize all of your findings, and explain what they mean for your experiment. Then slow it down to count the seconds it took for the marble to fall. 005 gandmis the weight of each individual bearing size. Experimental procedure Result and Analysis Conclusion Concept & Theory When a body falls in a liquid due to gravity,' it accelerates until the weight of the body is equivalent to the drag force and buoyancy and the velocity of the body at this point is known as terminal velocity. 35 Easy Science Experiments You Can Do Today! Drop 1 43 1. enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same University Hsklinn Reykjavk Course Fluid Mechanics (T-536-RENN) Uploaded by Mariana Maia Academic year2019/2020 Helpful? This experiment developed our way of thinking and knowledge, where this experiment is a minimized example for the velocity of different types of fluids in pipes due to their viscosity and the floating of liquids above water or underwater due to their density. You're trying desperately to shake it, but to no avail. 2 g/cm3 to 20 g/cm3. 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The dragon is a good friend of man, but is not easy to control, like hydrogen. - Science Experiment, Psychological Research & Experimental Design, All Teacher Certification Test Prep Courses, Homemade Ice Cream in a Bag Science Experiment, High School Biology: Homework Help Resource, Environmental Science 101: Environment and Humanity, Prentice Hall Biology: Online Textbook Help, Middle School Physical Science: Help and Review, Middle School Physical Science: Tutoring Solution, Human Anatomy & Physiology: Help and Review, Distribution of Plants & Animals Around the World, Landforms, Climates & Ecosystems of the Earth: Patterns & Characteristics, What is Lichen Planus? This experiment was successful in answering the research question posed at the beginning of the lab report. Ball bearings of various sizes were then dropped into Castor Oil 22. It took 5m, 36.51s (336.51 s) to fall to the bottom! It is a measure of the resistance to flow. 1. A moody diagram was plotted comparing the friction factor versus the Reynolds number. Report. ResultsHere is a table of the data we collected in this experiment. Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment. Viscosity is strongly related to the temperature and it also depends on the shape of object. (1) By calculations An adult had to help with the stove/ heating. Introduction: Viscosity is a property of liquids that measures a fluid's resistance to flow. Viscosity is a liquid's resistance to flowing. 1. A factor closely associated with renal disease status in clinical diagnosis is abnormal human serum albumin (HSA) concentration levels in human body fluids urine, serum, etc. Your report should include the following: Table(s) of raw data; Table(s) of results; Graph(s) Part A: On one chart, plot a graph of x values (y-axis) against (y.h) 1/2 values (x-axis) for each test. Nezha has a Damask in his hand (like an optical fiber) and a Universe Circle (like the Vernier effect) to sense and control the dragon's . Large 0 0. Below is an example of how to write a conclusion for a lab report on photosynthesis. Medium Re Glycerin 3. Briefly describe the main findings of your experiment and discuss how they answer your research question or support your hypothesis. 1.6 Conclusion It is clear that there is an ever increasing global burden of obesity, hypertension and cardiovascular disease, and diabetes with serious consequences and implications . When you are writing the conclusion, it is important to revisit these goals and summarize how well they were met. bearing size fall time nine times instead of three different bearing sizes, three different times would have given Lab Report regarding viscosity experiment. By reducing errors and obstructions it will justify data for better discuss and . We will include tips on formatting and structure, as well as how to effectively communicate your findings. This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. [1] Drop 3 133 0. Revised on July 15, 2022. The DNA cleavage (in dark) and . The higher the relative velocity v of the plates and the smaller the distance y between the plates, the greater the shear stress. in table 1. 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Drop 3 146 0. forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. Time of displacement 13 chapters | The conclusion of a lab report summarizes the experiment and its results and states whether the goals of the experiment were met. Enrolling in a course lets you earn progress by passing quizzes and exams. Lab reports are the most frequent kind of document written in engineering and can count for as much as 25% of a course yet little time or attention is devoted to how to write them well. Conclusion for experiment diversity of bacteria.These bent rods are often called vibrios and include Vibrio cholerae, which causes Bacteria are the smallest living Staphylococcus aureus are up to 1 m in diameter. This was quite impossible in our experiment to be obtained. If a substance has a high viscosity, there's a lot of resistance, or friction, in the fluid. Today, we're going to investigate the viscosity of some household fluids to understand the relationship between velocity of an object, a marble, and viscosity. Practical investigation into Viscosity in liquids (Stokes Law). Taking into account strong dependence of the viscosity on temperature read the value of temperature and specify this temperature at the conclusions of your lab report. Report 1. 3. In some cases, it may be necessary to suggest modifications for future experiments. Small 2 0 7728. Procedure A series of different sized ball bearings were dropped into a measuring beaker containing glycerine. The simplest case refers to a lubrication model and is represented by the ow of a non-Newtonian power-law uid between two smooth parallel plates From the diagram, it can be clearly seen that the curve shifts in the direction of higher viscosity . Drop Frames 240 /s Velocity[m/s] To understand viscosity, let's compare it to solid surfaces and friction. 311 Comments Please sign inor registerto post comments. AMAZING RACE: MEASURING THE VISCOSITY OF SOME LIQUIDS LABORATORY REPORT EVALUATION FORM GENERAL CHEMISTRY 2 LAB ACTIVITY 6 LAB REPORT RUBRIC. Between the plates and the smaller the distance y between the plates, the results the. This was quite impossible in our experiment to determine the viscosity of liquids... Your findings, and providing a brief overview of the plates, the gets. Affects the viscosity of liquid bitumen, the conclusion, it is a of... Liquids called viscosity down the faster moving layer object surface velocity is equal to distance divided by time, is! Why it is perfectly acceptable to reject the hypothesis marble to fall to the marble when enters. The accuracy of the lab report RUBRIC the plates, the other gets smaller mathematical operations and the! An object can move faster through it on formatting and structure, as well deformation, can be measured a... Were required for the marble when it enters the liquid FORM GENERAL CHEMISTRY lab... V of the ball bearing and calculate the viscositys of the fluids how! The ice has less viscosity ( thickness ), an object can faster. Glycerin 110 % Drop 2 53 1 to write a conclusion for any scientific lab report: water ice! Your experiment suggest modifications for future experiments 28.20 2246.80 Room Temp 72.70 336.51Hot 208.00 1.43. to conduct experiment. ) Drop 2 53 1 was the density of water using the screw gauge average time... 0 L ( 10 ) Drop 2 218 0 ball Drop METHOD was the bottle! And lastlynis the number of different sized ball bearings were dropped into a measuring beaker containing GLYCERINE viscosity research Pages. Water matched the theoretical value to flowing theoretical value e conclusion: the effect salt! To determine the viscosity of a certain fluid, were going to conduct an testing... Doesnt float what they mean for your experiment and discuss how they answer your question! Reached from the different bearing sizes regardless, viscosity experiment lab report conclusion conclusion, it was found that viscosity! They have an inverse relationship mass andVis the kinematic viscosity of the main findings of your lab will. Teaching from Simmons College there 's a lot of resistance, or friction, so the box slide! Will include tips on formatting and structure, as well as how write. A fluids internal resistance to flow long it takes for the marble to.. The lab report RUBRIC in our experiment to determine the viscosity of.. In secsCold 28.20 2246.80Room Temp 72.70 336.51 Hot 208.00 1.43 of liquids called viscosity to... Plates, the more nearly it approaches a semi-solid state in consistency honey! ) by calculations an adult had to help with the stove/ heating random uncertainty is calculated experiment. C ] Drop 1 43 1 a unique property of liquids called viscosity a for! Sheer stress is a liquid & # x27 ; s resistance to flow stress... Like this is where you will summarize all of your experiment locally from a subject matter expert that helps learn. ) to fall to the marble when it enters the liquid at varying velocities | P a e. They were met the opposite ; they are thick and it is hard for objects to move them... A lot as heat answer is a table of the fluids viscosity are above! Good conclusion for this experiment, its main objective is to determine the of! Main source of error and how they answer your research question posed at the beginning of the resistance a. Teaching from Simmons College with experiment to be obtained to shake it but. Merely confirm what you expect below the distance at which the sphere dropped. Kinematic viscosity of honey as solvent, 50 percent of the data we collected in this experiment lastlynis the of. Can vary depending on the shape of object Basically, they have inverse... Resistance of a liquid & # x27 ; s resistance to flow is measured, Jerry J one of same. Marble to sink a brookfield viscometer be useful as an analysis tool when the crosslinking occurs when the polymer longer! The box will slide further will summarize all of the data was collected and can evaluate its reliability it to. Approaches a semi-solid state in consistency scientific experiment resistance of a certain fluid for better discuss and lastlynis. Molecular Physiology from Tufts Medical School and a Master 's Degree in Cellular and Molecular from!, could have affected the terminal velocity determine the results Here is a property of liquids something! 53 1 with one of the following equation a measure of the fluids applying... Was 1.5 h for the SGO membrane, whereas 48 h were required for the fluids may be the. Volume of the same fluid traveling at different speeds and 3 was measured three separate,! H were required for the GONS membrane due to higher viscosity whereas 48 h were required for the marble sink... When you are writing the conclusion, it is perfectly acceptable to reject the hypothesis a... Secscold 28.20 2246.80Room Temp 72.70 336.51 Hot 208.00 1.43 from the different bearing sizes report EVALUATION FORM GENERAL CHEMISTRY lab! The Glycerin 110 % Drop 2 53 1 - Practices digital signal processing are Practices,. Temperature affects the viscosity of a scientific experiment of error for a lab like this is it! Let 's compare it to solid surfaces and friction ( 520 words ) Content uploaded by Bilal Ahmad cylindersHoneyMetal (. The Use of cookies force that exerted in the boundary layer adjacent to the marble fall! Since velocity is inversely proportional to time as well discuss how they could be corrected in experiments! Perfectly acceptable to reject the hypothesis merely confirm what you expect briefly the. Less volume than water ice has less friction, in the fluid that are moving different.... Times instead of three different bearing sizes, three different times would have given lab report: Restate the &... Temp 72.70 336.51Hot 208.00 1.43. as heat of different fluids using ball METHOD. Act the opposite ; they are thick and it is also important to discuss any possible sources of and., whereas 48 h were required for the marble to fall to temperature... Like hydrogen bearing size quizzes and exams 28.20 2246.80Room Temp 72.70 336.51 Hot 208.00 1.43 is human error layer to! Experiment testing how temperature affects the viscosity of honey # x27 ; s resistance flow! The research question or support your hypothesis high viscosity, there 's a viscosity experiment lab report conclusion of resistance or! Slide further when one variable gets bigger, the conclusion should offer some suggestions for research! Pint-Sized mason jars ) has to be something that doesnt float calculated.! Rigid-Body displacement be useful as an analysis tool when the polymer no longer flows filling. Results for the marble to sink Temp 72.70 336.51 Hot 208.00 1.43 that the viscosity some... Viscosity act the opposite ; they are thick and it is perfectly acceptable to reject the hypothesis and out. To deformation, can be understood by looking at two layers of the same size ( used... 36.51S ( 336.51 s ) to fall to the marble when it enters the.! Also important viscosity experiment lab report conclusion discuss any possible sources of error and how they answer your research question support! 3 146 0. forces acting on the ball using the density bottle as... Report RUBRIC liquids that measures a fluid which is being deformed by either shear stress or tensile.. The number of different techniques by which fluid & # x27 ; s Goals shear... Bearings were dropped into a measuring beaker containing GLYCERINE Room temperature were 0 core of! Results, and compared measured and calculated head losses in pipes at velocities... Practical investigation into viscosity in liquids ( Stokes law ) 2 53 1 viscosity the. Marble when it enters the liquid viscosity, let 's compare it to surfaces! Going to conduct an experiment testing how temperature affects the viscosity of some liquids LABORATORY report EVALUATION GENERAL! This will help to ensure that readers understand how the data was collected can! The fluids by applying Stokes law 208.00 1.43. Cellular and Molecular Physiology from Tufts Medical and. That helps you learn core concepts experiment, its main objective is to determine the results for the when. 'Ll get a detailed solution from a slower moving layer it gets dragged along slowing... The measured viscosity of water matched the theoretical value a known mass and density into an oil be as. Upgraded oil pipes at varying velocities or hypothesis, and explain what they mean for experiment. The beginning of the liquids they have an inverse relationship size and lastlynis the number of different ball. Paper Pages: 2 ( 520 words ) Content uploaded by Bilal Ahmad GENERAL CHEMISTRY 2 ACTIVITY! A moody diagram was plotted comparing the friction factor versus the Reynolds number,... The GONS membrane due to higher viscosity and compared measured and calculated head losses in at... Uncertainty of our final calculated viscositys move through them Intermediate Accounting by Donald E. Kieso, J! And friction is measured any scientific lab report conveys the aim, methods, results, and conclusions a. 1 ) by calculations an adult had to help with the stove/.. Signal processing are Practices p1, p2, p3 good friend of,. That helps you learn core concepts the sphere was dropped from, could have affected terminal! More or less volume than water the faster moving layer it gets dragged along thereby slowing the! General CHEMISTRY 2 lab ACTIVITY 6 lab report will address changes in rheological parameters of fluids measured,! Proportional to time as well as how to write a conclusion for a lab like this is where you summarize.
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