viscosity experiment lab report conclusion

Time how long it takes for the marble to sink. 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. Drop 3 146 0. The viscosity of most fluids obeys simple laws which can be expressed by mathematical equations. 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. Finished completely. are off by 2. Large 0 0. Extracts from this document. Ask a Question For Free and Get Answers From Peer Tutors or Get Private Tutoring & homework help at affordable rates. First, we poured the honey into another graduated cylinder and take out the metal piece. From the diagram, it can be clearly seen that the curve shifts in the direction of higher viscosity . the Motor oil. Nguyen Quoc Trung. This lab report will address changes in rheological parameters of fluids measured Amanda has taught high school science for over 10 years. The results showed that as the concentration of salt increased, the rate of photosynthesis decreased. When heat is applied to fluids, molecules can then slide over each other more easily making the liquid becomes less viscous. bearing size fall time nine times instead of three different bearing sizes, three different times would have given By including all of this information, a lab report can provide a comprehensive overview of an experiment and its results. The rate of this momentum Castor oil 17% 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. References In this lab, were going to conduct an experiment testing how temperature affects the viscosity of honey. 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. Report. This is a Premium document. The ice has less friction, so the box will slide further. The data suggest that high concentrations of salt can inhibit the process of photosynthesis, which has important implications for the agriculture industry. 2003-2023 Chegg Inc. All rights reserved. To learn more, view ourPrivacy Policy. Content may be subject to copyright. 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 . The viscosity of a fluid describes its resistance to movement or deformation, an easy way of conceptualizing Fluid viscosity refers to the resistance that the fluid produces when it flows. Conclusion. 794 %. 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. For example, honey is more viscous than water. What was the conclusion of the experiment? 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. As Anotaciones P3 - Practices digital signal processing are practices p1,p2,p3. Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. What steps did you take to conduct your experiment? (1) Two resistors of unknown resistances Higher the viscosity of liquid bitumen, the more nearly it approaches a semi-solid state in consistency. MEASURING VISCOSITY OF DIFFERENT FLUIDS USING BALL DROP METHOD. but to report on the actual results. Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. How does heat affect viscosity? If you want to drain a $480 \mathrm{mL}$ shake in 2.0 minutes, what pressure difference is needed? The purpose of the experiment was to measure the terminal velocity of a weighted balloon. Remember to use clear and concise language, and to avoid getting bogged down in the details. Cool Science Experiments HQ, Air Pressure Impact on Ping Pong Balls Science Experiment, Water Doesnt Leak Out Science Experiment . 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 forces acting on the ball bearing and calculate the viscositys of the fluids by applying Stokes law. Our body senses molecules jumping around a lot as heat. Temperature in Farenheight Time in secsCold 28.20 2246.80Room Temp 72.70 336.51Hot 208.00 1.43. shown in the equation below The results indicated that although the viscosity was within an acceptable range of The conclusion should include a discussion of the implications of the data, as well as any errors that were made during the experiment. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) Describe the technique you used to measure viscosity and determine crosslinking. 4 clear glass jars of the same size (we used pint sized mason jars). The higher the relative velocity v of the plates and the smaller the distance y between the plates, the greater the shear stress. Then, we cool the honey down by putting it into the freezer. Ch09 - Chapter 09 solution for Intermediate Accounting by Donald E. Kieso, Jerry J. Include and Analyze Final Data. 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. What Melts Ice Fastest? . Ask for help with any form of tutoring and academic assistance at Tutlance. Viscosity is basically friction inside a liquid - it is how much resistance a fluid gives to any force applied to it. I even had time to do some chemistry math while I waited for that to finish! Lab 1 - Viscosity Lab Report More info Download Save This is a preview Do you want full access? The simplest case refers to a lubrication model and is represented by the ow of a non-Newtonian power-law uid between two smooth parallel plates Assignment Viscosity Experiment & Lab Report. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What is the real-world implications from this experiment? You can download the paper by clicking the button above. The equation that explains this relationship is a little complicated, but we can break it down together here. Fluid mechanics lab experiment 02_aerometer_hydrometer Safeen Yaseen Ja'far . help. In conclusion, our hypothesis was correct, and temperature and viscosity have an inverse relationship. Microscope Lab Report Conclusion Questions: . Discuss your results, focusing on the following: Cooled down (28.2-69.4F)(While the metal piece sank, the honey slowly warmed up.). 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. The distance at which the sphere was dropped from, could have affected the terminal velocity. Results are discussed in Section5and the conclusions are drawn in Section6. Filtration time was 1.5 h for the SGO membrane, whereas 48 h were required for the GONS membrane due to higher viscosity. Drop one marble at a time and observe what happens to the marble when it enters the liquid. 311 Comments Please sign inor registerto post comments. HypothesisMy hypothesis is that when the temperature goes up, the viscosity goes down, and when the temperature goes down, the viscosity goes up. 2. Clean the glass jar and fill it with the viscous fluid. 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. The results of this experiment showed that the concentration of salt had a negative effect on the rate of photosynthesis. This can be done by briefly revisiting the research question or hypothesis, and providing a brief overview of the main findings. P2 - Practices digital signal processing are practices p1,p2,p3. Viscosity Of Water Lab Report. Drop Frames 240 /s Velocity[m/s] 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. These ways included using a measuring beaker, Eureka can, and density bottle; these different ways are gone into more detail in the methods section. This type of assignment is usually shorter than a research paper. Method1. container and the time it took the ball to drop a certain length was measured. Males with five or more risk factors are three times more likely to report chronic obstructive respiratory disease than males with two or less risk factors. Cooking Oil (enough to fill one jar) We used Vegetable Oil, but any Cooking Oil will work. (2019, Nov 27). (3) A voltmeter (0 - 1.5V) Which liquid has the highest viscosity? can attribute a part of this systematic error to turbulence and the increased drag thereof, especially so in the It is determined that honey has the highest viscosity and the slowest time while water has the lowest viscosity and the fastest time. A fluid with a large viscosity resists motion because its molecular makeup gives it a lot of internal friction. Report 1. We will include tips on formatting and structure, as well as how to effectively communicate your findings. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the . Castor Oil 22. The conclusion provides the most important discoveries made during the experiment and how they addressed the original objectives of the experiment. (1) By calculations the resistance to an externally applied shear stress. Of course, some liquids are more viscous than others. This should be based on the data that was collected and should be backed up by your discussion of the findings. Sphere Average Speed[m/s] Standard deviation 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. Create an account to start this course today. Temperature in Farenheight Time in secs Cold 28.20 2246.80 Room Temp 72.70 336.51 Hot 208.00 1.43. this is to look at the flow of water versus the flow of syrup. Small metallic . 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? Drop 2 44 1. Viscosity Experiment. mined both the random uncertainty and the systematic deviation were able analyse the propagation of error When a molecule from a slower moving layer moves up in to a faster 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. Then slow it down to count the seconds it took for the marble to fall. Lets get started! We'll not send The final step in concluding a lab report is to state whether the experiment was successful or not. However, further sensitivity improvement is required to achieve . State Whether Your Experiment Succeeded. 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 . 65 NSA/AMA ), it appeared that the time needed to get this viscosity could reach about 12 seconds. Honey sure has high viscosity! This supports the hypothesis that salt can inhibit the process of photosynthesis. Drop 1 43 1. Sphere Average Speed[m/s] Standard deviation Medium Re Glycerin 110% 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. Psychological stress among undergraduate medical students and their coping strategies, Direct, Indirect applicability and State Liability. LAB REPORT SKILLS-CONCLUSION (Viscosity and Crosslinking of Polymers - Part B) What was a major objective of this part of the experiment? acting on the sphere but the sum of all the forces will be zero. 0 NSA/AMA respectively. through the fluid, exerting a shear force on the fluid surrounding it. Given this we are able to determine the Viscosity is a measurement of a fluid's resistance to change or deformation, or more simply put, how thick it is. Drop 3 51 1. Glycerin 21. Considering the fact that the Reynold numbers were consistently above one, perhaps we Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. 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 density of the ball bearings were calculated with the following formulas This will help to ensure that readers understand how the data was collected and can evaluate its reliability. 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. Conclusion: The conclusion of a lab report summarizes the experiment and its results and states whether the goals of the experiment were met. The viscosity of the liquid is represented by the symbol eta. When the ball crosses one of the mark timer is started till it reaches the next, calculation. GCD210267, Watts and Zimmerman (1990) Positive Accounting Theory A Ten Year Perspective The Accounting Review, Subhan Group - Research paper based on calculation of faults. Drop Frames 240 /s Velocity[m/s] Below is an example of how to write a conclusion for a lab report on photosynthesis. )FreezerOvenOven-resistant cupStopwatchMeasuring tape. Abstract: Experiment 1 looks at two fluid properties, density and viscosity. 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. By doing a reverse engineering calculation using the equation given in the lab sheet for Castro oil (0. A graph of the experimental friction factor was compared . Ball bearings of various sizes were then dropped into Students also viewed 4.1 - Efnislegar eignir Prentform MAVI Spurningar 1 Exam 11 December 2012, questions 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? The answer is a property of liquids called viscosity. Lab Report regarding viscosity experiment. the fluid that are moving different velocity. (2) By Experiment Finally, the conclusion should offer some suggestions for further research. Applying equation (1) and solving forwe can calculate the viscosity. 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. 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. Drop Frames 240 /s Velocity[m/s] Calculate the slope of these graphs, using the equation of . 10. She has a Master's Degree in Cellular and Molecular Physiology from Tufts Medical School and a Master's of Teaching from Simmons College. This was quite impossible in our experiment to be obtained. She is also certified in secondary special education, biology, and physics in Massachusetts. By using our site, you agree to our collection of information through the use of cookies. 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. Drop 3 42 1. What a big difference! Drop 1 134 0. The pipe flow investigation compared the fluid flow of smooth and rough pipes of varying diameters. spam or irrelevant messages, We use cookies to give you the best experience possible. meaning that the ball bearing does not create turbulence in its wake. This is where you will summarize all of your findings, and explain what they mean for your experiment. Use the template provided to prepare your lab report for this experiment. Drop one marble into one fluid. Viscosity measurements can vary depending on the accuracy of the test equipment. Report the average value for the viscosity of the unknown substance, and compare this to published values.

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