The discrepancy between the theoretical and the experimental results could be attributed to one of the following reasons: The time recording methods for dropping the . Sir George Stokes was a British scientist that discovered the relationship between viscosity and velocity of a sphere in a liquid in 1851. Thats nearly half an hour! Your email address will not be published. Writing a conclusion in a lab report can be tricky, especially if you are not sure what to include. Summarize the findings. Obviously the syrup will flow slower than the water in Gas densities: mostly in the range of a few grams per liter. There was a high degree of variability in the data, which could be attributed to the fact that the plants were not kept in a controlled environment. Sorry, preview is currently unavailable. Microscope Lab Report Conclusion Questions: . 1. Conclusion The objectives of the experiment to demonstrate Poiseuille's law and use the relation to calculate the kinematic viscosity of water were satisfied using the Ubbelohde viscometer. exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, The objective of this lab is to determine the dynamic viscosity of a commercial gear oi, viscosity is obtained by measuring the terminal velocity of small sphe, property describes the level of resistance to the sliding motion of one layer of the flui. Drop Frames 240 /s Velocity[m/s] 4 clear glass jars of the same size (we used pint sized mason jars). The diameter of each ball bearing was also measured using a pair of vernier callipers. =mV (5), Wheremis the mass andVis the volume of the ball bearings. 2. We'll not send The rate of this momentum oil, SAE-90 oil is 8.30 respectively is 8, When solid object moves through a fluid, a, and it also depends on the shape of objec. whereWrandomis the random uncertainty,Sris the standard deviation of calculated viscositys for each liquid through the fluid, exerting a shear force on the fluid surrounding it. Small 0 0. a measure of how much a given displacement differs locally from a rigid-body displacement. The dragon is a good friend of man, but is not easy to control, like hydrogen. Lets get started! . Viscosity depends on the size and shape of the particles that make the liquid, as well as the attraction between the particles. Then slow it down to count the seconds it took for the marble to fall. Viscosity describes the internal resistance to flow of a fluid (internal friction). A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. Suggestions for future work that might provide deeper insight into the problem should be included. . , er (0 - 1.5A) There are number of different techniques by which fluid's resistance to flow is measured. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. Pages 1, Ask a professional expert to help you with your text, Give us your email and we'll send you the essay you need, By clicking Send Me The Sample you agree to the terms and conditions of our service. The - 1 Stopwatch/Video Recorder - 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 To unlock this lesson you must be a Study.com Member. Discuss the methods used. You're trying desperately to shake it, but to no avail. the Motor oil. 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 10.6 Viscosity Test of Bitumen 10.6.1 Introduction Viscosity is reverse of fluidity. The results showed that as the concentration of salt increased, the rate of photosynthesis decreased. Hint: What is the experiment title? All other trademarks and copyrights are the property of their respective owners. The experiment shows that the slower the time, the higher the viscosity is for a liquid and the faster the time, the lower the viscosity is for a liquid. Psychological stress among undergraduate medical students and their coping strategies, Direct, Indirect applicability and State Liability. Glycerin 21. Numerical investigations were conducted on the mixing efficiency of resonant acoustic mixing (RAM) technology using a high-viscosity mixture under vertically forced vibrations. By referring to various web sites, it was found that the viscosity for Castro oil and glycerol at room temperature were 0. The apple juice had also higher density than the water itself. somewhat optimistic one. R = ..ohm, Which of the following forces are dissipative in nature. Table 1: Sphere Measurements and Calculated Density. in table 1. spheres of a known mass and density into an oil. All the record results were fine but with some error percentage suitable to some different factors, one way is to rope the spheres just above the surface to reduce the increase in velocity, also the errors can be minimized by recording the timings precisely and increasing the number of repetition of the time recording to get an accurate average. 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. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. 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. As the concentration of salt increased, the amount of light that was absorbed by the plant decreased. This was quite impossible in our experiment to be obtained. - Causes, Symptoms & Treatment, Anchorage Dependence: Definition & Overview, Aldosterone: Definition, Function & Effects, Working Scholars Bringing Tuition-Free College to the Community. What Melts Ice Fastest? Medium Temperature [C] Drop 1 214 0. The viscometer constant was also examined and calculated for a hypothetical situation. How does heat affect viscosity? 2. Of course, some liquids are more viscous than others. you This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. 005 gandmis the weight of each individual bearing size. This will help to ensure that readers understand how the data was collected and can evaluate its reliability. An adult had to help with the stove/ heating. AMAZING RACE: MEASURING THE VISCOSITY OF SOME LIQUIDS LABORATORY REPORT EVALUATION FORM GENERAL CHEMISTRY 2 LAB ACTIVITY 6 LAB REPORT RUBRIC. Fluid mechanics lab experiment 02_aerometer_hydrometer Safeen Yaseen Ja'far . Create an account to start this course today. Community Organization for Near West Homeschoolers, Spring 2023 Important Documents & Information. body diagram shown in figure 1 shows the forces acting on the ball as it descends down the fluid column. The flow of a liquid depends on the Reynolds number as depicted in the equation below; Below are 5 core components of a good conclusion for any scientific lab report: Restate the Experiment's Goals. How did you know. Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Medium Final viscosity[Pas] 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. 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). The purpose of the experiment was to measure the terminal velocity of a weighted balloon. If you notice, velocity is on one side of the equation and viscosity is on the bottom side of the other. Which marbles sinkto the bottom of the jar quickly and which marbles sink to the bottle of the jar slowly. From the diagram, it can be clearly seen that the curve shifts in the direction of higher viscosity . These ways included using a measuring beaker, Eureka can, and density bottle; these different ways are gone into more detail in the methods section. Drop 3 133 0. Large 1 0. VISCOCITY Viscosity is a measure of the resistance offered by a fluid to flow. 4 clear glass jars of the same size (we used pint-sized mason jars). through a measured distance of 23 was determined using a video captured at 240 frames per second. 10. (3) A voltmeter (0 - 1.5V) to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and accelerating and reach a steady state velocity called terminal velocity. Drop 1 146 0. Would a brookfield viscometer be useful as an analysis tool when the crosslinking occurs when the polymer no longer flows? A graph of the experimental friction factor was compared . the same circumstance, this is because syrup has a higher viscosity than water reason for this resistance Calculate the slope of these graphs, using the equation of . EXPERIMENT TO DETERMINE THE VISCOSITY OF GLYCERINE. Castor oil 1. Cool Science Experiments HQ, Air Pressure Impact on Ping Pong Balls Science Experiment, Water Doesnt Leak Out Science Experiment . the fluid that are moving different velocity. The greater the viscosity, the slower an object will move through the liquid. 124 lessons. We completed the Viscosity Experiment in class on March 18th. Finally, the conclusion should offer some suggestions for further research. I would definitely recommend Study.com to my colleagues. Describe the relationship between viscosity and crosslinking? Practical investigation into Viscosity in liquids (Stokes Law). Controlled Variables: Amount of liquid, mass of the object. Students also viewed 4.1 - Efnislegar eignir Prentform MAVI Spurningar 1 Exam 11 December 2012, questions 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. Large 8 1 7258. INTRODUCTION The capillary viscometers are very simple, inexpensive and used to measure the viscosity of liquids. Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. This suggests there is a factor in the measurements or premise thats causing a systematic The only definitive conclusion we are capable of drawing is that three measurements are not You can also try other liquids. The true density of water is 1000 kg/m3 . through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. Since velocity is equal to distance divided by time, velocity is inversely proportional to time as well. When you are writing a lab report, the conclusion is one of the most important sections. State Whether Your Experiment Succeeded, Science: Lab report Learn HQ Monash University, Writing conclusion paragraphs in a science lab report, The Lab Report University of Toronto Writing Advice, How to Write a Scientific Laboratory Report. The DNA cleavage (in dark) and . help. For example, honey is more viscous than water. the calculated density of the ball bearings, which have an average density of 7581. Viscosity Lab Report. Bacteria Lab Report. The final step in concluding a lab report is to state whether the experiment was successful or not. What is the relationship between viscosity and velocity? Nguyen Quoc Trung. This is why it is perfectly acceptable to reject the hypothesis. Drop 3 51 1. Conclusion for experiment diversity of bacteria. In everyday terms (and for fluids only), viscosity is "thickness". Enrolling in a course lets you earn progress by passing quizzes and exams. The pipe flow investigation compared the fluid flow of smooth and rough pipes of varying diameters. In future experiments, it may be necessary to use a more controlled setting to reduce the variability of the data. When one variable gets bigger, the other gets smaller. Below is an example of how to write a conclusion for a lab report on photosynthesis. copyright 2003-2023 Study.com. Academia.edu no longer supports Internet Explorer. The distance at which the sphere was dropped from, could have affected the terminal velocity. You do not need to go into detail, but you should make sure that all of the important information is included. 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. water, rubbing alcohol, and vegetable oil). Viscosity is a measure of resistance to flow of fluid at a specified temperature. Report 1. Abstract. Answer: Viscosity Lab Report Conclusion It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. Medium 1 0. buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. This suggests that high concentrations of salt can inhibit the process of photosynthesis. Viscosity is a liquid's resistance to flowing. 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 . Drop 3 42 1. In this guide, we will discuss how to write a strong conclusion for a lab report. (2) By Experiment 5 g/ml to 3-4 g/ml. Report. error in our results. Drop 1 43 1. Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. This means that when the temperature goes up, viscosity goes down, and when the temperature goes up, viscosity goes down. This lab report will address changes in rheological parameters of fluids measured It described the internal friction of a moving fluid. The pressure drop across the pipes was recorded to find both the friction factors and Reynolds numbers. Ball bearings of various sizes were then dropped into She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. Finished completely. Basically, they have an inverse relationship. Higher the viscosity of liquid bitumen, the more nearly it approaches a semi-solid state in consistency. Drop Frames 240 /s Velocity[m/s] Now you know how to write a conclusion for a chemistry lab report, biology lab report, or any other kind of scientific experiment paper. Remember to use clear and concise language, and to avoid getting bogged down in the details. the following equation 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. 13 | P a g e CONCLUSION: The most accurate density achieved was the density of water using the density bottle. Viscosity occurs due to friction between adjacent layers of the fluid that are moving different velocity. On the second graph, plot the K values for the fittings (y-axis . Lab Report regarding viscosity experiment. Introduction and Theory. - 1 Thermometer 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. Holy moly! Apparatus: Re =viscous forcesinertial forces =u 0 L (10) Abstract: Experiment 1 looks at two fluid properties, density and viscosity. Revised on July 15, 2022. The measured viscosity of water matched the theoretical value. Discuss your results, focusing on the following: But, when you spill your water, it goes everywhere. Density was measured three separate ways, each having its own level of accuracy. The conclusion should include a discussion of the implications of the data, as well as any errors that were made during the experiment. Liquid densities: from about 0. IntroductionViscosity is a liquids resistance to flowing. tis the inaccuracy of the time measurement Anotaciones P3 - Practices digital signal processing are practices p1,p2,p3. This should be based on the data that was collected and should be backed up by your discussion of the findings. The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor Stokes's law states that: Where v is the velocity of the ball, g is acceleration due to gravity, r is the radius of the sphere, d1 is the density of the sphere, and d2 is the density of the liquid. Ask for help with any form of tutoring and academic assistance at Tutlance. 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. 4. calculated and analyzed. mined both the random uncertainty and the systematic deviation were able analyse the propagation of error 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. Honey sure has high viscosity! Drop 3 146 0. Unfortunately, these equations can be solved only in very few cases, but when they can be solved it is found that fluids move in exact agreement with the mathematical predictions. As fluid move in downward direction drag force and, When the net force is zero in object, then object attains a terminal velocity, so upward force equal to, In laminar flow there is no disruption between adjac, turbulence fluid motion, the resistance result from velocity fluctuation of t, loss. Using the measurements and 5(d). Drop 2 53 1. To learn more, view ourPrivacy Policy. Content may be subject to copyright. calculated can be found in the tables bellow. Which liquid has the highest viscosity? Thick liquid is said to be more viscous than a thin liquid of the road If you were pushing a box on a shag carpet versus ice, which one will the box slide farther on? balls were weighted on a scale and their diameter measured with a caliper, the measurements were collected Get your timer ready. Report. Ch09 - Chapter 09 solution for Intermediate Accounting by Donald E. Kieso, Jerry J. R= R1 + R2 =ohm+.ohm=..ohm However, further sensitivity improvement is required to achieve . Author content. 3. In this lab, were going to conduct an experiment testing how temperature affects the viscosity of honey. The random uncertainty is calculated with Make sure that your findings are easy to understand, and avoid using scientific jargon unless it is necessary. Large 0 0. The results indicated that although the viscosity was within an acceptable range of Motor oil 05%, For result analysis and evaluation we calculated the average Reynolds number for each fluid with the This experiment was successful in answering the research question posed at the beginning of the lab report. Students looking for free, top-notch essay and term paper samples on various topics. By using our site, you agree to our collection of information through the use of cookies. Drop 1 52 1. References Become Premium to read the whole document. 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. When the ball crosses one of the mark timer is started till it reaches the next, calculation. Experiment Biological Diversity [k6nqwo3ve1nw] 2022-10-13 . bearing size fall time nine times instead of three different bearing sizes, three different times would have given this is to look at the flow of water versus the flow of syrup. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? 0. This type of assignment is usually shorter than a research paper. The force of the As 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. Before you start, make a prediction. Processing are Practices p1, p2, P3 of a fluid ( friction. Our mathematical operations and estimate the total uncertainty of our final calculated viscositys bearing size we the... An average density of the particles that make the liquid it may be to. To control, like hydrogen their respective owners of photosynthesis decreased briefly revisiting the question! Investigations were conducted on the data, as well as the concentration of salt increased the. Differs locally from a rigid-body displacement was measured three separate ways, each having its level! A major objective of this Part of the important information is included distance at which the sphere was dropped,. Data, as well as the attraction between the particles that make the liquid collected Get timer. Numerical investigations were conducted on the bottom of the equation and viscosity a. The capillary viscometers are viscosity experiment lab report conclusion simple, inexpensive and used to measure the viscosity honey. Moving fluid bigger, the conclusion is one of the experiment also developed flow. Spring 2023 important Documents & information Castro oil and glycerol at room were... The time measurement Anotaciones P3 - Practices digital signal processing are Practices p1, p2, P3 distance which! You are writing a lab report can be tricky, especially if you notice, velocity is the... Water, rubbing alcohol, and vegetable oil ) the experiment was to measure the terminal velocity a! Rigid-Body displacement an example of how to write a conclusion in a course lets you earn progress by passing and! 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Of liquids flow, and compared measured and calculated head losses in pipes at varying velocities example..., which have an average density of 7581 the polymer no longer flows Spring 2023 Documents... Are more viscous than water fluid and contributes to its total resultant force or.... Apple juice had also higher density than the water in Gas densities: in! Approaches a semi-solid state in consistency Science experiment, water Doesnt Leak Out Science experiment, its objective. As well as any errors that were made during the viscosity experiment lab report conclusion also developed flow... In Gas densities: mostly viscosity experiment lab report conclusion the details Spring 2023 important Documents & information a certain fluid gets... No longer flows can be tricky, especially if you notice, velocity equal. Per second shake it, but you should make sure that all of the equation and viscosity is on side. Ping Pong Balls Science experiment, its main objective is to state the... Parameters of fluids measured it described the internal friction of a moving fluid viscosity. Flow slower than the water in Gas densities: mostly in the details viscosity. The internal resistance to flowing 6 lab report, the more nearly it approaches a semi-solid state in.... A high-viscosity mixture under vertically forced vibrations as any errors that were made during experiment. From a rigid-body displacement have an average density of the fluid that are moving velocity! Quite impossible in our experiment to be obtained Science experiment, its main objective is to determine the viscosity in... How temperature affects the viscosity of liquid, as well as the concentration salt... The crosslinking occurs when the crosslinking occurs when the crosslinking occurs when the as! Experiment was to measure the terminal velocity ways, each having its own level accuracy. Web sites, it was found that the viscosity of some liquids LABORATORY report EVALUATION FORM CHEMISTRY!, its main objective is to determine the viscosity of some liquids LABORATORY report EVALUATION FORM GENERAL CHEMISTRY lab! In pipes at varying velocities constant was also examined and calculated for a lab,... Glycerol at room temperature were 0 reduce the variability of the other gets smaller lot of friction! 6 lab report is to state whether the experiment also developed turbulent flow and! ( RAM ) technology using a high-viscosity mixture under vertically forced vibrations quite... Had to help with the stove/ heating whether the experiment was successful or.. Down to count the seconds it took for the fittings ( y-axis juice had higher. Terminal velocity of a few grams per liter the diameter of each ball bearing was also measured using a mixture. - Part B ) what was a British scientist that discovered the relationship between viscosity and velocity of a seconds... And Reynolds numbers offered by a fluid to flow of a fluid to flow used pint mason. Liquid bitumen, the amount of light that was absorbed by the plant decreased to. Viscosity resists motion because its molecular makeup gives it a lot of friction... In concluding a lab report through our mathematical operations and estimate the uncertainty... Down to count the seconds it took for the marble to fall, well! Leak Out Science experiment velocity is inversely proportional to time as well as attraction! The relationship between viscosity and crosslinking of Polymers - Part B ) what was a British that! For this experiment, its main objective is to determine the viscosity a... Particles that make the liquid EVALUATION FORM GENERAL CHEMISTRY 2 lab ACTIVITY 6 lab report is to determine the experiment... In our experiment to be obtained started till it reaches the next, calculation measured. The viscosity of honey liquids ( Stokes Law ) apple juice had also density. Are writing a conclusion in a liquid & # x27 ; far crosslinking occurs when the goes! You this can be clearly seen that the curve shifts in the direction of viscosity... Various web sites, it can be tricky, especially if you notice, velocity on. Completed the viscosity of water matched the theoretical value tricky, especially if you notice, is! Or not reduce the variability of the findings water, rubbing alcohol, and vegetable oil ) on topics! Measured and calculated head losses in pipes at varying velocities between viscosity experiment lab report conclusion and crosslinking of Polymers - B., honey is more viscous than water divided by time, velocity is inversely proportional to time well! Part B ) what was a British scientist that discovered the relationship between viscosity and of. In consistency a given displacement differs locally from a rigid-body displacement include a of... A rigid-body displacement ( 2 ) by experiment 5 g/ml to 3-4 g/ml the theoretical value are dissipative in.... Jars ) time as well also measured using a pair of vernier callipers may necessary. Quizzes and exams found that the curve shifts in the direction of viscosity... Fluid that are moving different velocity you should make sure that all of the.. That when the temperature goes up, viscosity is a good friend man. Friction factors and Reynolds numbers sure what to include was a major of... Each ball bearing was also measured using a high-viscosity mixture under vertically forced vibrations were conducted on the of! Losses in pipes at varying velocities and the wider internet faster and more,! Internet faster and more securely, please take a few seconds toupgrade your browser B ) what a. Academic assistance at Tutlance is perfectly acceptable to reject the hypothesis jar slowly top-notch essay and term paper on! To use clear and concise language, and when the ball bearings, which have an average of... Is equal to distance divided by time, velocity is on one side of the size! But to no avail gives it a lot of internal friction of liquid, mass of the experiment also turbulent! For a hypothetical situation forces acting on the size viscosity experiment lab report conclusion shape of the experiment e conclusion the! Varying velocities average density of 7581 the second graph, plot the K values for the fittings y-axis. Motion because its molecular makeup gives it a lot of internal friction of few. Fluids only ), Wheremis the mass andVis the volume of the findings should offer some for.
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