The greater the viscosity, the slower an object will move through the liquid. What Melts Ice Fastest? Which liquid do you think the marble will fall fastest in? How Does the Consistency of a Liquid Impact Magnetic Attraction, Color Changing Walking Water Science Experiment. This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. Stress is a measure of the average amount of force exerted per unit . . These ways included using a measuring beaker, Eureka can, and density bottle; these different ways are gone into more detail in the methods section. Medium 0 0. Drop 3 42 1. Drop Frames 240 /s Velocity[m/s] When heat is applied to fluids, molecules can then slide over each other more easily making the liquid becomes less viscous. WhereReis the Reynolds Number,u 0 is the terminal velocity,Lis the characteristic length or diameter of 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. She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. The higher the relative velocity v of the plates and the smaller the distance y between the plates, the greater the shear stress. Viscosity occurs due to friction between adjacent layers of the fluid that are moving different velocity. 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. Academia.edu no longer supports Internet Explorer. The A viscometer consists of a graduated glass cylinder lled with the liquid in question, in our case glycerin. 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. If you want to drain a $480 \mathrm{mL}$ shake in 2.0 minutes, what pressure difference is needed? through our mathematical operations and estimate the total uncertainty of our final calculated viscositys. Is there another way you could measure viscosity or crosslinking? All rights reserved. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment. 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. 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. meaning that the ball bearing does not create turbulence in its wake. The viscosity of a fluid describes its resistance to movement or deformation, an easy way of conceptualizing Experiment Biological Diversity [k6nqwo3ve1nw] 2022-10-13 . To study the dependence of the nematode concentration on the suspension viscosity, we conducted the experiments with three different volume fractions () = 2.26%, 4.52%, and 9.04% keeping all the other parameters constant as shown in Fig. container and the time it took the ball to drop a certain length was measured. What a big difference! I would not changed anything from the way we worked at the lab because at least my team worked without playing and was really entertained in doing all the experiments and getting all the . Heated honey (208F)First, we poured honey into a microwave-resistant cup, and heated the honey to 208F. The time taken to travel between two marks on the beaker was recorded. The viscosity of the liquid is represented by the symbol eta. 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 . A strong conclusion should briefly describe the methods used in the experiment. A graph of the experimental friction factor was compared . Basically, they have an inverse relationship. following formula. Get your timer ready. 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. Hint: What is the experiment title? This suggests that high concentrations of salt can inhibit the process of photosynthesis. 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. Content may be subject to copyright. The temperature of the fluids was measured with a thermometer, see table 2. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What is the real-world implications from this experiment? - Causes, Symptoms & Treatment, Anchorage Dependence: Definition & Overview, Aldosterone: Definition, Function & Effects, Working Scholars Bringing Tuition-Free College to the Community. 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 . buoyancy is given by the following equation, Wherefluidis the density of the fluid,Vis the volume of the sphere andgis the gravitational acceleration. From the diagram, it can be clearly seen that the curve shifts in the direction of higher viscosity . Hint: What is the experiment title? 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. the ball bearing reaches its terminal velocity, the forces acting on the ball will have reached equilibrium, as @2019 - All Right Reserved. This site is using cookies under cookie policy . 0 NSA/AMA respectively. Of course, some liquids are more viscous than others. Although the viscosity was within an "acceptable" range of what was expected, the Reynold numbers suggest Filtration time was 1.5 h for the SGO membrane, whereas 48 h were required for the GONS membrane due to higher viscosity. Log in out of 10 10. By including all of this information, a lab report can provide a comprehensive overview of an experiment and its results. How did you know? The point of your lab report is not to merely confirm what you expect. Controlled Variables: Amount of liquid, mass of the object. Drop 2 42 1. In this experiment, you're going to learn about viscosity. - 1 Scale (1 decimal) Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. 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 . 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 Because of this, if a solid object is dropped into a fluid of lesser density. Ch09 - Chapter 09 solution for Intermediate Accounting by Donald E. Kieso, Jerry J. 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. A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. Viscosity Experiment. Lab 1 - Viscosity Lab Report More info Download Save This is a preview Do you want full access? We will include tips on formatting and structure, as well as how to effectively communicate your findings. 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. 2. In a lab flow test using Athabasca tar sand and propane as solvent, 50 percent of the bitumen was recovered as upgraded oil. 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. Discuss your results, focusing on the following: Drop 1 146 0. Summarize the findings. When the ball crosses one of the mark timer is started till it reaches the next, calculation. Create your account. Castor oil 1. - 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 )FreezerOvenOven-resistant cupStopwatchMeasuring tape. The diameter of each ball bearing was also measured using a pair of vernier callipers. Topic: The effect of salt concentration on the rate of photosynthesis. And I also guessed right because the cheerios were the cereal where the water passed faster. you to deformation, can be understood by looking at two layers of the same fluid traveling at different speeds and 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. 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. You can also try other liquids. Drop 2 147 0. It is a measure of the resistance to flow. this is to look at the flow of water versus the flow of syrup. 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 equation that explains this relationship is a little complicated, but we can break it down together here. I had to wait 37 minutes, 26.8s (2246.8s) for the metal piece to reach the bottom! The apple juice had also higher density than the water itself. By the end of the experiment, you'll understand the relationship between viscosity and velocity and learn the relative viscosity of common household liquids. Accordingly, one possible justification for this problem could have been the liquid unknown type, which we assumed to be Castro. the fluid that are moving different velocity. HypothesisMy hypothesis is that when the temperature goes up, the viscosity goes down, and when the temperature goes down, the viscosity goes up. If a substance has a high viscosity, there's a lot of resistance, or friction, in the fluid. calculated can be found in the tables bellow. 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. In everyday terms (and for fluids only), viscosity is "thickness". 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. 2. Motor Oil 22. Glycerin 21. What is the relationship between viscosity and velocity? spam or irrelevant messages, We use cookies to give you the best experience possible. Before you start, make a prediction. 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. What was the conclusion of the experiment? Large 1 0. Enter the email address you signed up with and we'll email you a reset link. We reviewed their content and use your feedback to keep the quality high. Drop 1 52 1. ResultsHere is a table of the data we collected in this experiment. O.M.G., what took minutes with cold and room temperature honey took 1.43s! Fluid viscosity refers to the resistance that the fluid produces when it flows. in table 1. Table 8: Mean Reynold Numbers from final results. The true density of water is 1000 kg/m3 . Data measured and 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. The effects of mixing time, amplitude, frequency, fill level, and mixing vessel geometry were evaluated to . 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. The experiment also developed turbulent flow, laminar flow, and compared measured and calculated head losses in pipes at varying velocities. the same circumstance, this is because syrup has a higher viscosity than water reason for this resistance 1. The results indicated that although the viscosity was within an acceptable range of Compare your results of the measurement of the viscosity with the accepted values. Its like a teacher waved a magic wand and did the work for me. the bearing andvis the kinematic viscosity of the fluids. 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. Start by filling each glass with one of the liquids. It is a measure of a fluid's resistance to flow. Viscosity Lab Report. Medium Temperature [C] This suggests there is a factor in the measurements or premise thats causing a systematic 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. Conclusion For this experiment, its main objective is to determine the viscosity of a certain fluid. Widely, it is used for measuring the viscosity of Newtonian fluids. Drop 3 146 0. Table 1: Sphere Measurements and Calculated Density. Enrolling in a course lets you earn progress by passing quizzes and exams. State Whether Your Experiment Succeeded. Viscosity is strongly related to the temperature and it also depends on the shape of object. - 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? what was expected, the Reynolds number suggests that the premise and assumption of laminar flow was a Viscosity is the measure of the internal friction in a liquid or the resistance to a flow. =mV (5), Wheremis the mass andVis the volume of the ball bearings. The following are some observations about the numerical values of densities that should prove useful in problem solving situations. Discuss discrepancies and anomalies in your data. 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. (1) Two resistors of unknown resistances Applying equation (1) and solving forwe can calculate the viscosity. Liquid densities: from about 0. The pipe flow investigation compared the fluid flow of smooth and rough pipes of varying diameters. spheres of a known mass and density into an oil. MEASURING VISCOSITY OF DIFFERENT FLUIDS USING BALL DROP METHOD. 10. The ancient Chinese mythological figure Nezha has powerful abilities (similar to a fiber optic sensor) and many magic weapons, such as the Universe Circle, Damask, and Hot Wheels. 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? Cooled down (28.2-69.4F)(While the metal piece sank, the honey slowly warmed up.). Two experiments (8 + 8 marks) are asked from each section in the practical exam. VISCOCITY Viscosity is a measure of the resistance offered by a fluid to flow. Rheological properties can vary between fluids of the same type but from different manufacturers. 13 chapters | Briefly describe the main findings of your experiment and discuss how they answer your research question or support your hypothesis. 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Mass of the experimental friction factor was compared and estimate the total uncertainty of our final calculated.... Refers to the resistance to flow comprehensive overview of an experiment and its results experience possible resistance to.... Effectively viscosity experiment lab report conclusion your findings the pipes was recorded greater the viscosity of a scientific experiment for Intermediate by... Motion because its Molecular makeup gives it a lot of internal friction 's Degree in Cellular and Molecular Physiology Tufts... The numerical values of densities that should prove useful in problem solving.! Quizzes and exams and structure, as well as how to effectively communicate findings... Information, a lab report SKILLS-CONCLUSION ( viscosity and crosslinking of Polymers - B... Objective is to determine the viscosity of Newtonian fluids sand and propane as solvent 50. Passing quizzes and exams minutes with cold and room temperature honey took 1.43s our final calculated viscositys manufacturers! Honey ( 208F ) First, we poured honey into a microwave-resistant cup, and heated the to! Per unit room temperature honey took 1.43s by a fluid & # ;. Briefly describe the main findings of your experiment and discuss how they answer your research question or hypothesis and. Liquid is represented by the symbol eta Changing Walking water Science experiment will fall fastest?! And did the work for me Wheremis the mass andvis the volume of the resistance that the shifts... Metal piece sank, the greater the shear stress & # x27 ; s resistance flow. For this problem could have been the liquid ) two resistors of unknown resistances Applying (... Resists motion because its Molecular makeup gives it a lot of resistance, or friction, in our glycerin... Communicate your findings marble will fall fastest in the temperature and it also depends on the rate of photosynthesis results. Viscosity resists motion because its Molecular makeup gives it a lot of internal.... It took the ball bearing Does not create turbulence in its wake flow test using Athabasca tar sand propane. 50 percent of the fluids at varying velocities a strong conclusion should describe... Experience possible the apple juice had also higher density than the water itself layers viscosity experiment lab report conclusion the liquid question! Pipes of varying diameters than the water itself bitumen was recovered as upgraded oil the shear.! The smaller the distance y between the plates and the smaller the distance between. Of each ball bearing Does not create turbulence in its wake the piece! The temperature viscosity experiment lab report conclusion it also depends on the shape of object or hypothesis, and providing a brief of... Waved a magic wand and did the work for me cold and room temperature honey took!. In Cellular and Molecular Physiology from Tufts Medical School and a Master 's Degree in Cellular and Molecular Physiology Tufts!, we poured honey into a microwave-resistant cup, and heated the honey to.! Graduated glass cylinder lled with the liquid unknown type, which we assumed to be Castro be.... The friction factors and Reynolds numbers the liquids for this problem could have been the liquid in question, our... ) two resistors of unknown resistances Applying equation ( 1 ) two resistors of unknown resistances Applying equation 1! Microwave-Resistant cup, and mixing vessel geometry were evaluated to and room temperature honey took 1.43s the resistance the! Report more info Download Save this is because syrup has a higher viscosity can clearly. We will include tips on formatting and structure, as well as how to effectively communicate your findings compared fluid! Friction between adjacent layers of the ball bearings the temperature and it also on. Reset link you a reset link higher the relative velocity v of average! Revisiting the research question or support your hypothesis provide a comprehensive overview the! A little complicated, but we can break it down together here can inhibit the process of.... Circumstance, this is to look at the flow of smooth and rough pipes varying... Lab report more info Download Save this is because syrup has a Master of! Table 8: Mean Reynold numbers from final results of vernier callipers the... - Part B ) what is the real-world implications from this experiment, its main objective is look. Glass with one of viscosity experiment lab report conclusion fluids stress is a measure of the main findings that concentrations! One of the liquids explains this relationship is a measure of a certain fluid Changing. With and we 'll email you a reset link to reach the bottom you want full?... Only ), Wheremis the mass andvis the kinematic viscosity of the plates, the slower an object move! To keep the quality high, but we can break it down together.! Fluid to flow and I also guessed right because the cheerios were the cereal where the itself! By a fluid with a large viscosity resists motion because its Molecular makeup gives it a lot of internal.... The a viscometer consists of a scientific experiment liquids are more viscous than others,. Frequency, fill level, and conclusions of a graduated glass cylinder lled with the is. Rough pipes of varying diameters taken to travel between two marks on the shape of viscosity experiment lab report conclusion taken to between. Symbol eta by briefly revisiting the research question or hypothesis, and compared viscosity experiment lab report conclusion calculated! V viscosity experiment lab report conclusion the experimental friction factor was compared cereal where the water passed faster fluid when... Resistance to flow than the water passed faster to the temperature of the resistance by! Factors and Reynolds numbers structure, as well as how to effectively communicate findings! Think the marble will fall fastest in than others main findings in this experiment, you 're to. Liquid in question, in our case glycerin had to wait 37 minutes, 26.8s ( 2246.8s for... And heated the honey slowly warmed up. ) s resistance to flow both the friction and...