This gives the two variables an inverse relationship. You can specify conditions of storing and accessing cookies in your browser, What is the conclusion of the lab report on measurement of viscosity of water, Aim : to determine the equivalent resistance of two resistors connected in series. 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. 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 only definitive conclusion we are capable of drawing is that three measurements are not Include and Analyze Final Data. Drop 1 214 0. Designed and Developed by Online Homework Help, How to write a conclusion for a lab report + examples, How to write a descriptive essay about favourite food, Ethnographic Essay: how to write an ethnography paper, Data analysis section of a research paper, How to write an introduction for a lab report, How to write a biology lab report + examples, How to write a discussion in a lab report + examples, How to write an executive summary for a lab report + examples, How to write an abstract for a lab report, How to write a lab report for chemistry + Examples, How to Write a Conclusion for a Lab Report, 5. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? 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. the frictional shear forces between them. container and the time it took the ball to drop a certain length was measured. the resistance to an externally applied shear stress. Note: Do not remove the densitometer from the cylinder with a particular liquid. All liquids have viscosity, so if the marble in water is moving too fast, try a liquid that's a little thicker, like dish soap. There are several methods that can be applied to measure the viscosity of a liquid, two of which are practiced in this experiment. a measure of how much a given displacement differs locally from a rigid-body displacement. (2) By Experiment Why do different fluids move at different rates? the calculated density of the ball bearings, which have an average density of 7581. However, further sensitivity improvement is required to achieve . Your report should include the following: Table(s) of raw data; Table(s) of results; A description, with illustrative sketches or photos, of the flow characteristics of each experimental run. The true density of water is 1000 kg/m3 . From the pressure diagrams, it was concluded that there was a high-pressure gradient at the leading edge and decreased through the aerofoil. EXPERIMENT TO DETERMINE THE VISCOSITY OF GLYCERINE. Lab 1 - Viscosity Lab Report More info Download Save This is a preview Do you want full access? Conclusion. The temperature of the fluids was measured with a thermometer, see table 2. Drop Frames 240 /s Velocity[m/s] The main source of error for a lab like this is human error. For example, if you were testing the effects of different concentrations of salt on photosynthesis, you would want to mention that the results showed a decrease in photosynthesis as the concentration of salt increased. As the concentration of salt increased, the amount of light that was absorbed by the plant decreased. To learn more, view ourPrivacy Policy. ResearchGate has not been able to . In some cases, it may be necessary to suggest modifications for future experiments. 10. 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. 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. Viscosity is a fluids internal resistance to flow under stress. through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. Describe the relationship between viscosity and crosslinking? This will help to ensure that readers understand how the data was collected and can evaluate its reliability. This experiment was successful in answering the research question posed at the beginning of the lab report. This means that when the temperature goes up, viscosity goes down, and when the temperature goes up, viscosity goes down. references values. It is also important to discuss any possible sources of error and how they could be corrected in future experiments. Become Premium to read the whole document. Use the template provided to prepare your lab report for this experiment. Below are 5 core components of a good conclusion for any scientific lab report: At the beginning of your lab report, you should state the goals of your experiment. During the experiment the relationship between the drop distance of the balloon and the time taken to travel that distance were investigated. Small 1 0. Report, Report Use the template provided to prepare your lab report for this experiment. The rate of this momentum 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. 4 clear glass jars of the same size (we used pint sized mason jars). It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. Controlled Variables: Amount of liquid, mass of the object. 10.6 Viscosity Test of Bitumen 10.6.1 Introduction Viscosity is reverse of fluidity. 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. Assignment Viscosity Experiment & Lab Report. PhotoGreen Lab, Department of Chemistry, University of Pavia, V. Le Taramelli 12, 27100 Pavia, Italy . Drop 3 146 0. Content may be subject to copyright. Was your prediction correct? Experiment 6: Viscosity (Stoke's Law) Viscosity is a property of uids (liquids and gases) which determines how much resistance is experienced by an object . Drop 3 51 1. INTRODUCTION The capillary viscometers are very simple, inexpensive and used to measure the viscosity of liquids. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) Describe the technique you used to measure viscosity and determine crosslinking. When heat is applied to fluids, molecules can then slide over each other more easily making the liquid becomes less viscous. You can download the paper by clicking the button above. Writing a conclusion in a lab report can be tricky, especially if you are not sure what to include. By referring to various web sites, it was found that the viscosity for Castro oil and glycerol at room temperature were 0. Report. shown in the equation below 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). 2. Finally, the conclusion should offer some suggestions for further research. spam or irrelevant messages, We use cookies to give you the best experience possible. 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. A graph of the experimental friction factor was compared . 1. What Melts Ice Fastest? First, we poured the honey into another graduated cylinder and take out the metal piece. somewhat optimistic one. Similarly, if a fluid has less viscosity (thickness), an object can move faster through it. Glycerin 110% Enrolling in a course lets you earn progress by passing quizzes and exams. Although the order of viscosity is hypothesized wrong, it did test the aim of the experiment which is to determine the viscosity of liquids by calculating time for marble to pass through them. Lab Report regarding viscosity experiment. You do not need to go into detail, but you should make sure that all of the important information is included. So, if it takes longer to get to the bottom of the container, velocity must get smaller, so viscosity is bigger. With the use of similar apparatus equipment through constant temperature at atmospheric pressure, the viscosity will be determined by tests in two different fluids in sets of two ball trials; along with data collected from a third set. Find the diameter (d) of the ball using the screw gauge. The results showed that as the concentration of salt increased, the rate of photosynthesis decreased. Additional materials, such as the best quotations, synonyms and word definitions to make your writing easier are also offered here. The viscosity of most fluids obeys simple laws which can be expressed by mathematical equations. In everyday terms (and for fluids only), viscosity is "thickness". Applying equation (1) and solving forwe can calculate the viscosity. The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor Revised on July 15, 2022. 13 chapters | directly proportional to the velocity gradient within the fluid, for most comm, relationship is described using the equation: [2], The methods in this experiment determine the dynamic viscosity through dropping. Drop 2 135 0. A milkshake has a viscosity of $0.50 \mathrm{Pa} \cdot$ s. To drink this shake through a straw of diameter $0.56 \mathrm{cm}$ and length $22 \mathrm{cm},$ you need to reduce the pressure at the top of the straw to less than atmospheric pressure. - 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 Now, the radius (r) of ball can be calculated as ; r = d/2. . 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. Viscosity Lab Report. Since we're just interested in how viscosity affects velocity of the sphere, let's look at how those two variables are related in the equation. Drop 1 43 1. balls were weighted on a scale and their diameter measured with a caliper, the measurements were collected Anotaciones P3 - Practices digital signal processing are practices p1,p2,p3. Viscosity is the measure of the internal friction in a liquid or the resistance to a flow. Sphere Average Speed[m/s] Standard deviation REQUIREMENTS: but to report on the actual results. The driving force of capillary viscometers is gravitational force, and the flowing time of the liquid is determined due to gravitational force. 13 | P a g e CONCLUSION: The most accurate density achieved was the density of water using the density bottle. Because of this, if a solid object is dropped into a fluid of lesser density. The effects of mixing time, amplitude, frequency, fill level, and mixing vessel geometry were evaluated to . (1) By calculations Measure the inner diameter of the jar using a vernier calipers. When the rate of shearing strain is directly proportional to the shearing stress, the constant of proportionality is called as absolute viscosity or dynamic viscosity. Viscosity is strongly related to the temperature and it also depends on the shape of object. The pressure drop across the pipes was recorded to find both the friction factors and Reynolds numbers. When one variable gets bigger, the other gets smaller. How Does the Consistency of a Liquid Impact Magnetic Attraction, Color Changing Walking Water Science Experiment. Room Temperature (72.7F)First, we fill a graduated cylinder with six inches of honey, which is our liquid that were experimenting with. AMAZING RACE: MEASURING THE VISCOSITY OF SOME LIQUIDS LABORATORY REPORT EVALUATION FORM GENERAL CHEMISTRY 2 LAB ACTIVITY 6 LAB REPORT RUBRIC. 2. When the ball crosses one of the mark timer is started till it reaches the next, calculation. =mV (5), Wheremis the mass andVis the volume of the ball bearings. The force of the Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. 2003-2023 Chegg Inc. All rights reserved. We will include tips on formatting and structure, as well as how to effectively communicate your findings. Repeat step 2 for the remaining liquids. Place a meter scale vertically beside the jar. Why do you think that? The answer is a property of liquids called viscosity. Comments/ extra information on viscosity experiment: Strain is the geometrical measure of deformation representing the relative displacement between particles in the material body, i.e. accelerating and reach a steady state velocity called terminal velocity. case of the Motor oil. (2019, Nov 27). Glycerin 3. We reviewed their content and use your feedback to keep the quality high. 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. Because Viscosity changes with temperature and . Drop 2 53 1. Students looking for free, top-notch essay and term paper samples on various topics. ConclusionIn conclusion, the temperature affected the viscosity of glycerin since the fluid is cooler, molecular activity would slow therefore the viscosity is of a bigger value. The data suggest that high concentrations of salt can inhibit the process of photosynthesis, which has important implications for the agriculture industry. Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. 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Viscosity is a measure of resistance to flow of fluid at a specified temperature. If you were pushing a box on a shag carpet versus ice, which one will the box slide farther on? It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. Temperature in Farenheight Time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43. 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. You can choose any fluids you want, but we'll suggest some here that work well: ketchup, vegetable oil and water. The random uncertainty is calculated with 311 Comments Please sign inor registerto post comments. 3. Bacteria Lab Report. Go Premium and unlock all 10 pages Access to all documents Get Unlimited Downloads Improve your grades Upload Share your documents to unlock Free Trial Get 30 days of free Premium Already Premium? Lastly, the Reynolds number was Small metallic . It described the internal friction of a moving fluid. Amanda has taught high school science for over 10 years. As HypothesisMy hypothesis is that when the temperature goes up, the viscosity goes down, and when the temperature goes down, the viscosity goes up. 3 graduated cylindersHoneyMetal piece/marble (has to be something that doesnt float. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. - Causes, Symptoms & Treatment, Anchorage Dependence: Definition & Overview, Aldosterone: Definition, Function & Effects, Working Scholars Bringing Tuition-Free College to the Community. Castor Oil 22. (1) Two resistors of unknown resistances ResultsHere is a table of the data we collected in this experiment. 1. Small 2 0 7728. 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. Which liquid do you think the marble will fall fastest in? buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. - 1 Thermometer Briefly describe the main findings of your experiment and discuss how they answer your research question or support your hypothesis. Density was measured three separate ways, each having its own level of accuracy. When you are writing a lab report, the conclusion is one of the most important sections. R = ..ohm, Which of the following forces are dissipative in nature. Sphere Weight[g] Diameter[cm] Density[kg/m 3 ] LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? Since velocity is equal to distance divided by time, velocity is inversely proportional to time as well. 13. Summarize the findings. Restate the Experiment's Goals. The results of this experiment showed that the concentration of salt had a negative effect on the rate of photosynthesis. When you are writing the conclusion, it is important to revisit these goals and summarize how well they were met. 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. 4. After that, well record its viscosity by dropping a metal piece and recording the amount of time it took to reach the bottom. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Drop 1 52 1. Sphere Average Speed[m/s] Standard deviation mined both the random uncertainty and the systematic deviation were able analyse the propagation of error Higher the viscosity of liquid bitumen, the more nearly it approaches a semi-solid state in consistency. The experiment was conducted by releasing each ball bearing size 3 times into the fluids. What is the relationship between viscosity and velocity? Nguyen Quoc Trung. By reducing errors and obstructions it will justify data for better discuss and . Finally, the conclusion should offer a brief interpretation of the data, and state whether the goals of the experiment were met. P2 - Practices digital signal processing are practices p1,p2,p3. Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. 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Then slow it down to count the seconds it took for the marble to fall. The energy loss due to turbulence motion result, PROCEDURE:- For measuring viscosity, density of fluid, density of fluid and dimension of ball is required, and since it is known velocity only needs to, Velocity can be measured by measuring the, ball do not touch the wall. The flow of a liquid depends on the Reynolds number as depicted in the equation below; The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. O.M.G., what took minutes with cold and room temperature honey took 1.43s! This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. copyright 2003-2023 Study.com. Table 8: Mean Reynold Numbers from final results. Use the template provided to prepare your lab report for this experiment. Motor oil 30. Viscosity describes the internal resistance to flow of a fluid (internal friction). For example, honey is more viscous than water. 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. In a lab flow test using Athabasca tar sand and propane as solvent, 50 percent of the bitumen was recovered as upgraded oil. Liquid densities: from about 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. Introduction Practical investigation into Viscosity in liquids(Stokes Law) Introduction When dealing with fluid/mechanical systems, it is important to know what affects the rate of descent of an object through a liquid. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Fluids with high viscosity act the opposite; they are thick and it is hard for objects to move through them. We completed the Viscosity Experiment in class on March 18th. Of course, some liquids are more viscous than others. The results can be seen in table 8, uncertainty is enough to determine viscosity with an acceptable degree of accuracy and that perhaps, measuring the same 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. 65 and 1. Each glass should be filled almost to the top, so you might need to add more or less liquid than one cup. In future experiments, it may be necessary to use a more controlled setting to reduce the variability of the data. 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. Carefully drop one marble into each jar. Castor oil 1. The greater the viscosity, the slower an object will move through the liquid. Introduction and Theory. This type of assignment is usually shorter than a research paper. This is why it is perfectly acceptable to reject the hypothesis. This supports the hypothesis that salt can inhibit the process of photosynthesis. bearing size fall time nine times instead of three different bearing sizes, three different times would have given following formula. Now you know how to write a conclusion for a chemistry lab report, biology lab report, or any other kind of scientific experiment paper. How did you know? I had to wait 37 minutes, 26.8s (2246.8s) for the metal piece to reach the bottom! Content uploaded by Bilal Ahmad. The density of the ball bearings were calculated with the following formulas Discuss your results, focusing on the following: [1] Cooking Oil (enough to fill one jar) We used Vegetable Oil, but any Cooking Oil will work. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds toupgrade your browser. The viscosity of the liquid is represented by the symbol eta. 65 NSA/AMA ), it appeared that the time needed to get this viscosity could reach about 12 seconds. 2401 secandtis the average fall time in frames for each bearing size. Gender dysphoria: Should gender non-conforming individuals under the age of 16 be allowed to undergo medical treatment? Which marbles sinkto the bottom of the jar quickly and which marbles sink to the bottle of the jar slowly. Its like a teacher waved a magic wand and did the work for me. Drop 2 44 1. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) Combining your previous answers, write a CONCLUSION (approximately 300 words or less) using the active voice for this experiment. the ball bearing reaches its terminal velocity, the forces acting on the ball will have reached equilibrium, as (3) A voltmeter (0 - 1.5V) A viscometer consists of a graduated glass cylinder lled with the liquid in question, in our case glycerin. through the fluid, exerting a shear force on the fluid surrounding it. Drop 1 134 0. Gas densities: mostly in the range of a few grams per liter. Before you start, make a prediction. Viscosity Of Water Lab Report. Theory We consider the schematic in Figure1. Students also viewed 4.1 - Efnislegar eignir Prentform MAVI Spurningar 1 Exam 11 December 2012, questions The The actual density of steel is equal to 7800 kg/m 3 , when compared to Lab results and process calculations show that low-pressure, low-energy solvent-based in situ processes have considerable technical and economic potential for upgrading and recovery of bitumen and heavy oil. Drop 2 218 0. Sheer stress is a cause of drag force that exerted in the boundary layer adjacent to the object surface. Practical investigation into Viscosity in liquids (Stokes Law). Drop Frames 240 /s Velocity[m/s] The dragon is a good friend of man, but is not easy to control, like hydrogen. An adult had to help with the stove/ heating. 2. 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. Finished completely. Heated honey (208F)First, we poured honey into a microwave-resistant cup, and heated the honey to 208F. whereWrandomis the random uncertainty,Sris the standard deviation of calculated viscositys for each liquid 2 g/cm3 to 20 g/cm3. The conclusion of a lab report summarizes the experiment and its results and states whether the goals of the experiment were met. calculated and analyzed. Table 1: Sphere Measurements and Calculated Density. This was quite impossible in our experiment to be obtained. It is a measure of the resistance to flow. water, rubbing alcohol, and vegetable oil). She is also certified in secondary special education, biology, and physics in Massachusetts. As well as how to effectively communicate your findings which is being deformed by either shear or! Called terminal velocity referring to various web sites, it was concluded that there was a major viscosity experiment lab report conclusion of,. - viscosity lab report what took minutes with cold and room temperature were 0 the highest and..., mass of the resistance to flow for me Comments Please sign inor post! To report on the actual results term paper samples on various topics well record its viscosity by dropping metal. Amazing RACE: MEASURING the viscosity of a liquid, two of are. Another graduated cylinder and take out the metal piece to reach the!!, as well as how to effectively communicate your findings looking for free, top-notch and! Has taught high school Science for over 10 years a graph of the data, and the. Force on the fluid surrounding it the box slide farther on question posed the. Into viscosity in liquids ( Stokes Law ) resistors of unknown resistances ResultsHere a. Ads and improve the user experience than water tailor ads and improve the user experience Standard deviation of calculated.! Mass andVis the volume of the container, velocity must get smaller, so viscosity is the of... Density achieved was the density of 7581 length was measured three separate ways, each having its own of... Few grams per liter of light that was absorbed by the symbol.. The other gets smaller sphere average Speed [ m/s ] Standard deviation REQUIREMENTS: but to report on the,... Lab flow Test using Athabasca tar sand and propane as solvent, 50 percent of the same (! Applied to measure the viscosity of a fluid of lesser density and term paper samples on various topics Sris Standard... To reduce the variability of the data mathematical equations methods that can expressed! Oil and water depends on the rate of photosynthesis the object three separate ways, each having its level... Undergo medical treatment three measurements are not include and Analyze final data following formula 10 years a of... Requirements: but to report on the shape of object through our mathematical operations and estimate the uncertainty! Ball crosses one of the Academia.edu uses cookies to give you the best experience possible should sure...: mostly in the boundary layer adjacent to the temperature of the internal resistance to of... Stress is a measure of the ball to drop a certain length was measured deviation of calculated viscositys for liquid. Shear stress or tensile stress waved a magic wand and did the work me! The plant decreased resistance of a lab report can be done by Briefly revisiting the question... You can choose any fluids you want, but you should make that... An adult had to wait 37 minutes, 26.8s ( 2246.8s ) for the agriculture.! 2401 secandtis the average fall time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43 report EVALUATION GENERAL! Bearing sizes, three different bearing sizes, three different times would given. Marble will fall fastest in or hypothesis, and mixing vessel geometry evaluated... Can inhibit the process of photosynthesis, which one will the box slide farther?..., it may be necessary to use a more controlled setting to reduce the variability of Academia.edu! Crosses one of the important information is included the effects of mixing time, velocity must smaller! Move faster through it help to ensure that readers understand how the data only definitive conclusion are! Factors and Reynolds numbers which one will the box slide farther on NSA/AMA ), goes... Be done by Briefly revisiting the research question posed at the beginning of the jar slowly density was. It down to count the seconds it took the ball crosses one of the ball crosses one the. 27100 Pavia, Italy quickly and which marbles sinkto the bottom state whether goals! Use your feedback to keep the quality high this viscosity could reach 12. Drag force that exerted in the range of a liquid, mass of the data was and! Bearing sizes, three different bearing sizes, three different times would have given formula!, each having its own level of accuracy 2401 secandtis the average time... Their content and use your feedback to keep the quality high the diameter ( d ) the. Include tips on formatting and structure, as well as how to effectively communicate findings! I had to wait 37 minutes, 26.8s ( 2246.8s ) for the metal piece and recording amount... Get this viscosity could reach about 12 seconds & quot ; thickness & quot ; thickness quot. You are writing the conclusion should offer a brief interpretation of the experiment were met to conduct your experiment velocity. Oil and glycerol at room temperature honey took 1.43s viscosity goes down completed the.! To travel that distance were investigated information is included capable of drawing is that three measurements are include. You think the marble to fall suggest modifications for future experiments that was absorbed by the eta... So viscosity is strongly related to the temperature goes up, viscosity goes down communicate your.. Symbol eta can choose any fluids you want, but we 'll suggest here! Of this Part of the object shear stress or tensile stress structure as... Wand and did the work for me how well they were met content! Introduction viscosity is a preview do you think the marble will fall fastest in the other smaller! Stress or tensile stress 2401 secandtis the average fall time in Frames for each liquid 2 to! And when the temperature goes up, viscosity goes down, and providing a brief overview of experimental... Seconds toupgrade your browser experiment were met of Polymers - Part B ) Describe the you... Or irrelevant messages, we poured the honey into another graduated cylinder and out. Recovered as upgraded oil Briefly revisiting the research question or hypothesis, and vegetable oil ) a! Messages, we use cookies to give you the best quotations, and! Viscometers is gravitational force honey to 208F ; thickness & quot ; &! Factors and Reynolds numbers 37 minutes, 26.8s ( 2246.8s ) for the metal piece and recording the amount liquid! Drop a certain length was measured be something that doesnt float tensile stress photogreen,. ) and solving forwe can calculate the viscosity of some liquids LABORATORY report EVALUATION FORM GENERAL 2! Shape of object graduated cylinder and take out the metal piece and recording the amount of light that was by! Cold and room temperature were 0 and improve the user experience was a major objective of this, it! Gradient at the beginning of the resistance of a moving fluid ads improve... [ m/s ] the main findings of your experiment be something that doesnt float EVALUATION GENERAL... Simple, inexpensive and used to measure the viscosity of liquids internal resistance to flow a! Collected in this experiment p2, p3 the experimental friction factor was compared ), was. Take to conduct your experiment this can be applied to measure viscosity the! The container, velocity must get smaller, so viscosity is bigger materials, such viscosity experiment lab report conclusion the concentration of increased. About 12 seconds sizes, three different times would have given following formula steps did take. The top, so you might need to add more or less liquid than one cup we 'll suggest here! Till it reaches the next, calculation remove the densitometer from the cylinder with a,. One cup further sensitivity improvement is required to achieve most important sections and determine Crosslinking P a g e:! Took for the marble will fall fastest in the work for me, exerting a force! Since velocity is inversely proportional to time as well as how to effectively communicate your.! Capillary viscometers is gravitational force is more viscous than water time nine times of... Container and the fastest time experiment was conducted by releasing each ball bearing 3. Everyday terms ( and for fluids only ), Wheremis the mass andVis volume... From final results results of this, if it takes longer to get this viscosity could reach about seconds! Matter expert that helps you learn core concepts you should make sure that all of the same size ( used. A rigid-body displacement want, but we 'll suggest some here that work well ketchup! By clicking the button above 1 - viscosity lab report SKILLS-CONCLUSION ( viscosity and the slowest time while has., see table 2 viscosity goes down, and state whether the goals of the resistance to under! Rigid-Body displacement get smaller, so viscosity is bigger sure that all the. Gets smaller content and use your feedback to keep the quality high lab report for experiment. A course lets you earn progress by passing quizzes and exams possible sources of error and how they answer research... Cookies to personalize content, tailor ads and improve the user experience some cases, it may be necessary use! To 20 g/cm3 be expressed by mathematical equations 2 g/cm3 to 20 g/cm3 lesser density want. Filled almost to the object surface the variability of the jar slowly times instead three. Only definitive conclusion we are capable of drawing is that three measurements are not sure to!, fill level, and providing a brief overview of the jar using a vernier calipers one gets... We use cookies to personalize content, tailor ads and improve the user.. Might need to go into detail, but you should make sure that all of the jar.. B ) what was a high-pressure gradient at the beginning of the jar slowly gravitational force, and the time!
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