52010 Measurement Lab 1-3 (i) Name_____ Exercise #1 — Basic Metric System Report Sheets The Metric System is a standardized method for defining length, volume and weight. Download. Precision of Measurements Density of a Metal Cylinder ... A measurement reading usually has one more significant figure than the least c ount reading of ... that the strip is closer to 41.6 cm than it is to 41.7 cm and report the length to be 41.64 cm or 0.4164 m. 2 Triple-beam balance. Careful attention to the accuracy and degree of uncertainty of each measuring device is necessary for proper data collection. Measurement repeatability (s repeatability, s r) expresses the closeness of the results obtained with the same sample (or subsamples of the same sample) using the same measurement procedure, same operators, same measuring system, same operating conditions and same location over a short period of time. Introduction. Download Full PDF Package. When reading non-electronic devices such as rulers, thermometers, and glassware, the general rule of thumb is to "read between the lines"! Make measurements to the nearest 1/10 of a millimeter using a meter stick. [2] [3] Although the two words precision and accuracy can be synonymous in colloquial use, they are deliberately contrasted in the context of the scientific method . The questions may be answered in any order, so adjust your wor k according to the availability of the lab equipment. Understand that the level of accuracy is linked to the context. Once the lab exam begins, you are not permitted to receive any assistance from your TA or other students. In the Physics 103 folder, double-click on Precision Measurement of g (Rev C).xls to open the worksheet. Data/ Results (Continued) Data/ Results (Continued) Data/ Results Conclusion In conclusion, our hypothesis was proven correct by the results of the pipette being the most accurate and precise. Precision can have different meanings, depending on what level of variability is included.. 19 Full PDFs related to this paper. before you get to Lab. Current research interests are in on-machine measurement sensors and instrumentation for precision machine tools, robotic machine tools, or semiconductor machine tools applied to real-time manufacturing process monitoring, prognostics, diagnosis and preventive maintenance at a low-cost, convenient, accurate and precise manner. Since the digital display of the balance is limited to 2 decimal places, you could report … Meanwhile, the beaker ended up being the least accurate and precise. Lab 1: Precision Measurements September 1, 2016 Objectives Experiment 1: Density of Metal Cylinders The Precision and Accuracy Lab Report Topics: Measurement , Accuracy and precision , Density Pages: 4 (991 words) Published: February 22, 2012 Objectives: Follow the lab report guidelines and don't forget that this must be in complete sentences in a paragraph. Free PDF. Since you will be adding your own data to it, you may want to click on File Save As to allow you to rename and save a copy of the worksheet in the student data folder for your lab period. Besides the main objective to solve the given problem, remember that you should add at least 2 other minor objectives that you think this lab has. This may be neglected at the moment, though, as this ... HORIZONTAL DISTANCE MEASUREMENT. Using these uncertainties we can find out whether our measurements were accurate, precise, and realistic. Informative Speech Outline Lab Reports physics Ph-101 lab#4 - Lab report Lab #5 PH-101 - Lab report Ph-101 lab #6 - Lab report PH-101 lab #9 - Lab report. Tait. My data table 01.07 Accuracy and Precision: Balance Lab Worksheet Mrs. Estevens Part I: Density of Unknown Liquid 1. PDF. ... that the relative precision computed—38—is not within the 1 1 range of accepted precision for measuring distance by pacing, which is from 200 to500. The standard metric units are the meter, liter and gram.Prefixes to these terms tell us Precision and Uncertainties for Common Lab Equipment When you record a scientific measurement, the last digit that you record is understood to have some uncertainty, and to be your best estimate. (Subtract the mass of the empty graduated cylinder from the mass of the graduated cylinder with liquid.) Hypothesis GOAL! Use the triple-beam balance to determine the mass of this flask. Your lab instructor will demonstrate the use of the volumetric transfer ... clearly state which instrument is more accurate and which has the greater precision. Download PDF. Luke 12:7 Lab Report for: _____ Table 1 – Precision of Measurement Ruler Measurement… Once the measurement was recorded, the beaker and burette were both cleaned and dried. PDF. How would we know the precision of our measurement. Download lab report templates & examples FREE YOU WILL BE PENALIZED IF YOU RECORD YOUR DATA ANYWHERE BUT YOUR LAB NOTEBOOK. Trial # For this data, this will be 12.4±1.14. A short summary of this paper. FLUID MECHANICS LAB REPORT 1. Premium PDF Package. Comparing the Precision of two types of Balances. This lab helped us learn how to make measurements using a caliper and how to use measurement uncertainties to find the density of the steel ball and compare it with the accepted value of 7.8*10^3 kg/m^3. PDF. Use the electronic balance in the weigh room to determine the mass of the same Erlenmeyer flask. Lab #1 Measurement of length, Mass, Volume and Density Readings Before you begin this laboratory read chapter 1 of the textbook. Precision Measurement doc. Third, a 25 ml burette was used to measure out 14 ml of water. Empty graduated cylinder from the mass of the properties to describe the “ fluidity ” of fluid lab! Experiment online the mean, plus or minus the standard deviation original measurement – such as hm! Of g ( Rev C ).xls to open the worksheet guidelines and do n't forget that must! Terms tell they are somewhat complex and use examples to illustrate the differences between them complete sentences in paragraph. Significant Digits & Precision • What IF we didn ’ t know the original measurement – such 0.005670. We can find out whether our measurements were accurate, precise, and realistic Teachers ’ Objectives. 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