Viscosity is strongly related to the temperature and it also depends on the shape of object. Viscosity is one of the properties to describe the " fluidity " of fluid. Now, the radius (r) of ball can be calculated as ; r = d/2. Below is an example of how to write a conclusion for a lab report on photosynthesis. In conclusion, the experiment proved that the lift coefficient increases as the angle of attack increases and the Reynolds Number increases up to a certain critical angle of attack. Then, we cool the honey down by putting it into the freezer. Considering the fact that the Reynold numbers were consistently above one, perhaps we The driving force of capillary viscometers is gravitational force, and the flowing time of the liquid is determined due to gravitational force. In this lab, were going to conduct an experiment testing how temperature affects the viscosity of honey. 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? 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. Report. The viscosity of a fluid describes its resistance to movement or deformation, an easy way of conceptualizing When a molecule from a slower moving layer moves up in to a faster 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. 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). 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. 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It is defined by the shear stress required to shift two plates moving relative to each other. Accordingly, one possible justification for this problem could have been the liquid unknown type, which we assumed to be Castro. A strong conclusion should briefly describe the methods used in the experiment. Lab Report regarding viscosity experiment. Another way to think about it is that when molecules are cold they are not moving around a lot and it is hard to move. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. This suggests that high concentrations of salt can inhibit the process of photosynthesis. Obviously the syrup will flow slower than the water in What was the conclusion of the experiment? The force of the Record the time in your data table. The apple juice had also higher density than the water itself. . The viscometer constant was also examined and calculated for a hypothetical situation. Would a brookfield viscometer be useful as an analysis tool when the crosslinking occurs when the polymer no longer flows? Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest , er (0 - 1.5A) Viscosity is a measure of resistance to flow of fluid at a specified temperature. And I also guessed right because the cheerios were the cereal where the water passed faster. Large 1 0. We completed the Viscosity Experiment in class on March 18th. The conclusion should include a discussion of the implications of the data, as well as any errors that were made during the experiment. If you were pushing a box on a shag carpet versus ice, which one will the box slide farther on? Room Temperature (72.7F)First, we fill a graduated cylinder with six inches of honey, which is our liquid that were experimenting with. spheres of a known mass and density into an oil. To understand viscosity, let's compare it to solid surfaces and friction. Lets get started! the fluid that are moving different velocity. Drop 1 214 0. and the procedure is described in Section4. 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? the Motor oil. The purpose of this experiment was to find the viscosity of three different fluids, glycerin, castor oil and motor Now you know how to write a conclusion for a chemistry lab report, biology lab report, or any other kind of scientific experiment paper. Place a meter scale vertically beside the jar. 2. this is to look at the flow of water versus the flow of syrup. 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 . - 1 Thermometer Viscosity Lab Report. Viscosity measurements can vary depending on the accuracy of the test equipment. Table 8: Mean Reynold Numbers from final results. Re =viscous forcesinertial forces =u 0 L (10) 2401 secandtis the average fall time in frames for each bearing size. 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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 answer is a property of liquids called viscosity. Medium 7 1 7758. R = ..ohm, Which of the following forces are dissipative in nature. us a better estimate of the viscosity. You can also try other liquids. help. 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. Which liquid do you think the marble will fall fastest in? 124 lessons. The main purpose of a lab report is to demonstrate your understanding of the scientific method by performing and evaluating a hands-on lab experiment. 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. Drop Frames 240 /s Velocity[m/s] It took 5m, 36.51s (336.51 s) to fall to the bottom! The antibody sequence is a key determinant for high viscosity of highly concentrated solutions; therefore, a sequence- or structure-based tool that can identify highly viscous antibodies from . This should be based on the data that was collected and should be backed up by your discussion of the findings. 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. In this guide, we will discuss how to write a strong conclusion for a lab report. By including all of this information, a lab report can provide a comprehensive overview of an experiment and its results. The random uncertainty is calculated with Time of displacement 10.6 Viscosity Test of Bitumen 10.6.1 Introduction Viscosity is reverse of fluidity. 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 . During the experiment the relationship between the drop distance of the balloon and the time taken to travel that distance were investigated. Using the measurements and I feel like its a lifeline. Whereris the radius of ball bearings. 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. Experiment Biological Diversity [k6nqwo3ve1nw] 2022-10-13 . Table 1: Sphere Measurements and Calculated Density. Lab 1 - Viscosity Lab Report More info Download Save This is a preview Do you want full access? 5 g/ml to 3-4 g/ml. 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. This experiment was successful in answering the research question posed at the beginning of the lab report. exchange determines the viscosity of the fluid and contributes to its total resultant force or inertia. Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. 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. Viscosity is a measure of the resistance of a fluid which is being deformed by either shear stress or tensile stress. It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. Various drop heights, as well as trials, were utilized to obtain validity for the experiment. The viscosity of the liquid is represented by the symbol eta. The time taken to travel between two marks on the beaker was recorded. Large 8 1 7258. 3. Experts are tested by Chegg as specialists in their subject area. The experiment objective in principle was achieved and many new techniques were learned and developed. 10. Find the diameter (d) of the ball using the screw gauge. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. Carefully drop one marble into each jar. Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. Calculate the slope of these graphs, using the equation of . - 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? Drop Frames 240 /s Velocity[m/s] 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. . Retrieved from https://paperap.com/paper-on-viscosity-lab-report/. When you are writing the conclusion, it is important to revisit these goals and summarize how well they were met. When one variable gets bigger, the other gets smaller. 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. 35 Easy Science Experiments You Can Do Today! The viscosity of a liquid can be measured using a viscometer. 2 g/cm3 to 20 g/cm3. Heated honey (208F)First, we poured honey into a microwave-resistant cup, and heated the honey to 208F. Similarly, if a fluid has less viscosity (thickness), an object can move faster through it. Lab Report regarding viscosity experiment. Drop 3 146 0. State Whether Your Experiment Succeeded. Overall, the results of this experiment provide valuable information about the effects of salt on photosynthesis. This means that when the temperature goes up, viscosity goes down, and when the temperature goes up, viscosity goes down. error in our results. 005 gandmis the weight of each individual bearing size. Higher the viscosity of liquid bitumen, the more nearly it approaches a semi-solid state in consistency. 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. Drop 2 42 1. Describe the relationship between viscosity and crosslinking? the following equation Start by filling each glass with one of the liquids. The Given this we are able to determine the The results indicated that although the viscosity was within an acceptable range of Conclusion: Why do you think that? Applying equation (1) and solving forwe can calculate the viscosity. With the condition of defining the composition of the mixture for several weeks, it could be analyzed that the separation of the substances yielded a condition of making a specific disntinction on how the volume of acetic acid in vinegar is affected by the concentration of the other elements that has been added into the substance. Restate the Experiment's Goals. By doing a reverse engineering calculation using the equation given in the lab sheet for Castro oil (0. In your chart, the substances that took the marble the longest to migrate through had the biggest viscosity. bearing size fall time nine times instead of three different bearing sizes, three different times would have given Because Viscosity changes with temperature and . On the second graph, plot the K values for the fittings (y-axis . Cooled down (28.2-69.4F)(While the metal piece sank, the honey slowly warmed up.). The result of adding more cross-linking agents to a polyme. Sorry, preview is currently unavailable. case of the Motor oil. Drop 1 134 0. ResearchGate has not been able to . what was expected, the Reynolds number suggests that the premise and assumption of laminar flow was a (3) A voltmeter (0 - 1.5V) The diameter of each ball bearing was also measured using a pair of vernier callipers. Viscosity Of Water Lab Report. (2) By Experiment Practical investigation into Viscosity in liquids (Stokes Law).
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