Lab report and data analysis for each piece of glassware: • Use the experimental values to calculate volumes, means, S.D. . these uncertainties tell us about our measured values and the experiment. Record all measurements in table 1.1. You may just need to show the resulting document on the lab computer, or the instructor may also ask for additional analysis, including a more comprehensive lab . Each table of measurements in your lab report must be accompanied by the least count of the instrument used to make the measurement. 1 R 4 1 R 5 1 R 4 * R 5 R 4 R 5 , is in series with R 3. Science enginering lab report experiment 1 (physical quantities aand measurement) . Measurement, Length, Mass, Volume, Density, & Time. Experiment 1: Errors, Uncertainties and Measurement Laboratory Report Clarisse Cuevas, Leanne Curaming, Aline De Castro, Adrienne De La Cruz, Ida Dy Department of Math and Physics College of Science, University of Santo Tomas España, Manila Philippines Abstract attain satisfactory comparison with a given standard. Clean up your bench. Thus, a flow measurement experiment was carried out to check the fluid velocity over the cross-sections, as shown in Fig. 12.25 . Procedure (1): Lab Table If the dimensions of the object being measured are much larger than the precision of the measuring instrument (100 times or more), the instrument is considered very adequate for the measurement and will give fairly "precise" results. View Lab Report #1.pdf from PHYS 110 at Simmons College. 1 PREPARATION FOR CHEMISTRY LAB: MEASUREMENT (Part I) Name: _____ Always read over the experiment and complete all pre-lab questions prior to coming to your laboratory session. Part I. That source moves back and forth and creates changes in the pressure (and density) of air molecules. . Reading; Attribution; LAB 2 (Week 3) The Density of Liquids and Solids; LAB 3 (Week 4) Nomenclature of Ionic Compounds; LAB 4 (Week 5) Chemical Formlua Determination; LAB 5 (Week 6) Types of Reactions; LAB 6 (Week 7) Mole Ratios and Reaction Stoichiometry; LAB 7 (Weeks 8 & 9 . Procedure: 1. Connect the digital gage with the switcher (considering the color guides. (b) Measurements with both random and systematic errors. 14 EXPERIMENT 1: UNCERTAINTY IN MEASUREMENT For example, for Ruler I, shown below, the smallest increment is 0.1 cm and all readings should be recorded to one-tenth of 0.1 cm, which is 0.01 cm (2 decimal places). (A good way to do this is to tap your foot, trying to establish a 1 second rhythm.) Experiment 1: Measurement and Density Lab Report Name: CHEML 105 Section ON41 DI Sphere Cube Cylinder V-LW.H (1.2) Measure the relevant dimensions of your sample and record the reading in the tables below. 4. A lab report conveys the aim, methods, results, and conclusions of a scientific experiment.. You must show all your work, including units, and report final results with the correct . Fill a graduated cylinder about half way with water. The theoretical equation that links and , is: =1 2 2, Here is an example of Lab data: Figure 1: An example of data for a free fall experiment, plotted so as Force (N) Voltage (V) 4.75 . Laboratory Techniques and Measurements Peter Jeschofnig, Ph.D. See the following sample calculation. You often need to combine laboratory measurements mathematically, such as subtracting the . Turn down the variac and shut the power off. Sine, square and triangle waveforms (3 most used waveforms in this lab) can be selected from Function section. Measuring the Value The volume of an irregularly shaped object can be determined by measuring the amount of water it displaces. It is given by the equation ρ= massvolume 1. CL: Coefficient of Lift . 2 Objectives of the Experiment 1 . After completing this lab, you will be able to: 1. Experiment 1: Measurement and Density Lab Report Name: CHEML 105 Section ON41 DI Sphere Cube Cylinder V-LW.H (1.2) Measure the relevant dimensions of your sample and record the reading in the tables below. Report Specifications. The function generator we are going to use for this lab is a Tektronix AFG 3022B, as shown in Figure 2 - 1. 1.2 Ohm's Law Ohm's Law states that for a resistor the current and voltage are in phase and proportional. • The Accuracy of an experiment is a measure of how close the result obtained for a given experiment is compared to the true value. 12.25 . 11. The primary objective of this experiment was to quantify the uncertainties associated with the random errors of measurements. The SI unit of density is kg/m3. Copy your spreadsheet results and paste them into the document. 3. Experiment 1 Laboratory Techniques and Measurements Purpose: To determine measurements of different items that vary from solids to liquids and be able . It is able to provide 12 different standard waveforms, with dual-channel capability. The use of smartphones in experimental physics is by now widely accepted and documented. In this paper, we demonstrate the simplicity, convenience, and cost-savings achieved by . Your lab report should be in the required format described in the "Introduction" of the lab manual. To determine the density of low boiling point liquid samples by measuring their mass at controlled volume; 2. The distance that the ball falls is given the symbol while the time that the ball takes to fall is . Lab #1: Measurement Uncertainties Experiment date: 30/01/2020 Instructor: Dr. Mac . You can get The current should be read on the 300 mA (or lower) scale. 1) Explain, to the best of your ability, why the method of item (c) of the Procedure yields the internal resistance RG of the galvanometer. 2. Ruler Measure the diameter of a coin Chemistry questions and answers. Force and voltage measurements. 1. Measure and record the resistance of R 1, R 2 and R 3. At the end of the experiment, the laboratory performer is expected to learn the following; 1. the density of selected liquids and material at a given temperature; and. Typical of the data collected in the chemistry laboratory are measurements of such quantities as length, mass . The present report provides an evaluation of the possibility of. 1.6529 . Let's take the example of Lab 2: a ball falling under gravity. Sample #1 (Cube) Trial Width (cm) 1 0.988 Length (cm) 1.221 1 219 1224 Height (cm) 2.261 2311 0.985 2 3 0.988 2.890 Avg. Lab Date: September 2, 2003 Lab Report Submittal Date: September 9, 2003 Lab 1: The Pendulum Abstract The goal of this experiment was to determine the effect of mass and length on the period of oscillation of a simple pendulum. Version 42-0165-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. . Table 1. The triple-beam balance, or laboratory balance, measures the mass of an object by balancing the unknown mass with sliding masses of known values. Pour the entire contents of the bottle into your beaker. 3. Put measurement tools and objects in proper places. The following experiments will attempt to measure $\pi$ using several different methods. Lab #1 - Sample Lab Report Format MEMS 431 - Structural Dynamics and Vibrations Loren Ahaus June 1, 2010 . 0.1 cm (= 1 mm). experiment. In order to be able to use equations (1),(2) and (3) the velocity needs to be known. Background: If a weight, W = mg, is hung from one end of an ordinary . 8.50 . After reading this manual, answer the following questions: 1. Note . Objectives: To make basic distance, mass, density, and time measurements. 16.00 . Part A: The Formula of Hydrated Copper (II) Sulfate. . Tables 1 to 4 should be included in your lab report. 4. Using the equations, . • The Precision of an experiment is a measure of how exactly the result is determined. 1.6529 . . (b) Measurements with both random and systematic errors. Repeat this process for your lab partner. We will do this by measuring the mass and the diameter of a steel sphere. An air conditioner requires 12 amperes (rms) of . Physics 10 Lab 1: Introduction to Measurement . . Give Me Liberty! Schedule Lab 1 Practice using the analytical balance and clean your glassware. It is important to note that laboratory balances are used to make measurements 1.3904 . Published on May 20, 2021 by Pritha Bhandari.Revised on May 30, 2022. Title : Accurate Measurement of Mass and Volume. Experiment #1. 0.7008 . Measurement, Length, Mass, Volume, Density, & Time. Laboratory Exercise: Procedure 1) Make connections as shown in Fig.3.1 2) Connect unknown sine wave frequency (1 kHz) across the input 0.7008 . Notation . . Click on the current probe, and make sure it's cali-brated to zero. Record this measurement in your lab notebook. Because it is frequency sensitive, it is difficult to balance unless the waveform of applied voltage is purely sinusoidal. 2. Environmental Engineering Lab ( ECIV 4152) 1 Experiment No.1 Measurement of PH, EC and TDS PH The pH of a solution is a measure of hydrogen (H+) ion concentration, which is, in turn, a measure of acidity. Assemble the strain gages on the specimen. January 17, 2015. This lab will investigate some of the basic properties of sound. Meter ruler, the measurement is accurate up to 0.1 cm, vernier callipers measure length accurately up to 0.01 cm and micrometer measure up to an accuracy of 0.01 mm or 0.001 cm. This section presents the results of the experiment in a way that illustrates their significance. Please sign in or register to post comments. Sample #1 (Cube) Trial Width (cm) 1 0.988 Length (cm) 1.221 1 219 1224 Height (cm) 2.261 2311 0.985 2 3 0.988 2.890 Avg. Force and voltage measurements. . For a set of repeated measurements, the best value is their average value. In LoggerPro, go to Experiment/Set Up Sen-sor/LabQuest Mini/, and make sure that the Current Probe is in the appropriate channel. For example: The time is 09:20:331. Exercise Measurement 1. Objective: The primary objectives of this lab are to study voltage, current, and power relationships in DC and 3 phase systems. Physics 215 - Experiment 1 Measurement, Random Error & Error analysis them in your laboratory report. Record your data in a table like the following. What is the color code 2. For Ruler II, however, the smallest increment is 1 cm, and all readings should be recorded to one-tenth The triple-beam balance is usually calibrated in grams with a least count of 0.1g. 12. 2. the proper method of measuring the volume and consequently the density of irregularly shaped objects using water displacement method. This is done by using a pitot-static tube which will be able to make a pressure gradient measurement and then by using the Bernoulli's equation calculate velocity. ρ . 1. : an American History Physics lab report 1 measurements lab report for first experiment called measurements (received perfect score) University California State University Los Angeles Course Physics (PHYS 1100 ) Uploaded by Siron Mani Academic year 2018/2019 Helpful? At your station you have a small bottle of colored water. An accuracy of 0.5% - 1% can be readily obtained using this bridge. 16.00 . However, its CGS units, g/cm3 or g/ mL, are the most commonly used ones in the laboratory. The density of a homogeneous liquid is also defined by the amount of mass per unit volume. . EXPERIMENT #1: EVALUATION OF EXPERIMENTAL ERRORS BY PRECISION AND ACCURACY . 1. 1. This portion of the lab takes only a few minutes, and can be performed any time during the lab period when Version 42-0165-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. 2. Figure 1: Experiment Set up. ), with the strain gages on the specimen. Hence, the 1.314 g measurement should be interpreted as 1.314 0.001 g. If the same object was weighed on a balance that only read to the nearest tenth it would read as 1.3 g, which would be interpreted as 1.3 0.1 g. Clearly the balance that reads to Thin Layer Chromatography Lab Report; Lizard Evolution Virtual Lab Student Worksheet 1-1; Newest. actual mass of the object could be anywhere from 1.3135 to 1.3145 grams. If Asked, take the rupture specimen out and measure the new length between the original marked area and report the number as input to program. To make calculations of volume and density, using proper units, and to practice using graphing software while graphing the relationship between the circumference of a circle and its diameter. Objectives: To make basic distance, mass, density, and time measurements. V: Velocity . . For example, if you determine from an experiment that the acceleration due to gravity is 10 m/s2 then the 'error' is the difference between that value and the accepted value of 9.8m/s2, PASCO scientific's Smart Cart, in combination with student-owned smartphones and free apps, has opened a new universe of low-cost experiments that have traditionally required cumbersome and expensive equipment. The measurements done with the micrometer obtained the highest number of significant figures for the thickness of a single sheet of text book paper. Use the "Current" box and connect it to Channel 1 of the LabQuest Mini. 3 Significance of the Experiment. The Lab Report Assistant is simply a summary of the experiment's questions, diagrams if needed, and data tables that should be addressed in a formal lab report. 4 EXPERIMENT No.2 FLOW MEASUREMENT BY VENTURIMETER 2.1 AIM: To determine the co-efficient of discharge of the venturimeter 2.2 EQUIPMENTS REQUIRED: Venturimeter test rig, Stopwatch 2.3 PREPARATION 2.3.1 THEORY Fig.2. Experiment 1: Measurement and Density Lab Report Name: CHEML 105 Section ON41 1 30.080g 78.800g 2 30.512g 78.7989 3 30.008g 78.810g Avg. EE320 Power Lab Index Measurements Experiment 1. 3. This means that chemical knowledge must be based on and supported by data collected during carefully controlled chemical experiments. Lab report 1. Lab Report: Flow Measurement. CONCLUSION Three measuring instruments, meter ruler, vernier caliper and . 0.6373 . Lab Report 1: Measurement Lab Date: January 17,20XX Lab Partners: XZ Report Date: January 24,2014 Report Written by: XXXXXX Introduction: Measurement is a form of quantitative observation. 2. Sample lab report.doc Author: velgakis EXPERIMENT MEAS-2: Simple Measurements 1 Introduction This laboratory exercise will be performed over two consecutive weeks. CHEM 253 Quantitative Analysis Laboratory Experiments, 7th Edition, pg 4-11. CD: Coefficient of Drag . 2. . View Lab Report #1.pdf from PHYS 110 at Simmons College. . Lab 10, Temperature Lab Page 1 Cover Page for Lab Report - Group Portion Temperature Lab: Experimental Measurement of Temperature Name 1: _____ Section M E 345._____ . 4. 10. Click the button on the sim below to see a sound . Experiment 1-Z Units of Measurement Author: a Last modified by: appelr Created Date: 4/13/2004 1 . For example: The time is 09:20:331. Values of Thickness 2. INTRODUCTION Chemistry is an experimental science. 3. 3. Your lab report should include an introduction, a data analysis section following the outline in section V, a section answering the questions below, and a conclusion. 4. 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. Discuss the effect of the earth's magnetic field on the result of this experiment. Essay Sample Check Writing Quality. Weighing Measurements: The Balance . Lab Report: Flow Measurement. Use the tape measure to measure the circumference and the diameter of the circular objects on the table. Lab #1 - Sample Lab Report Format MEMS 431 - Structural Dynamics and Vibrations Loren Ahaus June 1, 2010 . In this experiment, the density of selected liquid samples will be measured using a viscometer. 1. A measurement, then, can be made to 0.01g. 4. The data does suggest. Laboratory Report 1. Connect the 3-phase circuit as shown in figure 1.2. That is: V I*R 1.3 Kirchhoff's Law This law or rule states: "The algebraic sum of the changes in potential encountered in a complete traversal of any closed circuit must be . How To Write A Lab Report | Step-by-Step Guide & Examples. 6. Materials: The materials used in this experiment are Hydrated . If they are OK, your TA will sign them. May 11th, 2019 - Obstruction Flow Meter Experiment 1 Turn on the pump and choose a ow rate 2 Move the pressure lines connected to the U tube manometer to the taps on either side of one of the ow meter ori ce or Venturi 3 Record the pressure drop across the ow meter ori ce or Venturi 4 Repeat steps 2 and 3 for a total of six di erent ow rates 5 This experiment aimed at exploring an incompressible fluid flow discharge using a rotameter, an orifice meter, and a Venturi meter. Upon completion return to main menus and get all reports. Now, we will use Loggerpro to measure the current in the circuit. In Investigation 1, the lengths, widths, and mass of various cylinders were measured with a ruler and digital scale to determine the density of the cylinders' material. The Lab Report Assistant is simply a summary of the experiment's questions, diagrams if needed, and data tables that should be addressed in a formal lab report. 1.3904 . • The Accuracy of an experiment is a measure of how close the result obtained for a given experiment is compared to the true value. Use the markings on the beaker to measure the volume of the water. Thus, a flow measurement experiment was carried out to check the fluid velocity over the cross-sections, as shown in Fig. Instructions: For this investigative phenomenon, you will need to determine the densities of an unknown solid and liquid using different methods of measurement to determine if the solid will float on water. The intensive fluid properties r Record your observations and test measurements in the lab report below. EXPERIMENT 1 . A sound wave is created by a source, like a speaker or something. Optical pyrometer experiment 1. To determine the density of alumina by measuring the mass and volume of variously shaped alumina balls . Discuss the principles of operation of thermocouples and thermistors. Using a photogate to measure the period, we varied the Lab Report. To make calculations of volume and density, using proper units, and to practice using graphing software while graphing the relationship between the circumference of a circle and its diameter. Below is a little animation showing the basics of a sound wave. It is important that you understand the instruments and measurement methods before coming to lab so that you can complete the experiments efficiently. 5-3 Social responsibility; Homework-16 Submission file - Pentesting 1 . This experiment aimed at exploring an incompressible fluid flow discharge using a rotameter, an orifice meter, and a Venturi meter. Hence, the 1.314 g measurement should be interpreted as 1.314 0.001 g. If the same object was weighed on a balance that only read to the nearest tenth it would read as 1.3 g, which would be interpreted as 1.3 0.1 g. Clearly the balance that reads to This section presents the results of the experiment in a way that illustrates their significance. The instructor will specify how to turn in the report. 3. 1. • The Precision of an experiment is a measure of how exactly the result is determined. Aim: The objective of this experiment is to find out the accurate mass of a solid and to calculate the moles of an unknown. Report for Experiment #1 Measurement Anushka Sharma Lab Partner: Amanda Joy TA: Sudip Timilsina 4 February 2022 Abstract This experiment Next, estimate a one minute interval. Thermocouple and thermistor calibration . January 17, 2015. Lab report on Experiment 1 1. Report for Experiment #1 Measurement Anushka Sharma Lab Partner: Amanda Joy TA: Sudip Timilsina 4 February 2022 Abstract This experiment actual mass of the object could be anywhere from 1.3135 to 1.3145 grams. On the other hand, the mean (or average) of a set of data values if the sum of all the data values divided by the number of data values. 2. Perform the following calculation and report the answer to the correct number . Students also viewed EXPERIMENT 1: MEASUREMENT 3) Errors of parallax should be avoided by placing the scale against the object to be measured. Using a meter stick, measure the length and the width of the lab table and 1 gcm3=1gmL=1000 kgm3 [1]. Statistical measures of repeated measurements look at the grouping, or distribution, of values about a central, or mean, value. Procedure Part A. Estimation of Fundamental Quantities Time 1. Force (N) Voltage (V) 4.75 . Laboratory Techniques and Measurements Peter Jeschofnig, Ph.D. Laboratory soils-compaction testing uses the specific gravity from the -4 sample. During the first . 2, to deduce the flow rate across each cross-section. It is extremely important to follow instruction on screen and place the strain measurement gauge and remove when it is asked to do so. 1. Estimate a 30 second time interval while your lab partner uses the stopwatch to time you. Each method will involve several measurements of diameters and circumferences. LabView program, your lab TA will assist you with this part of the experiment. Use a vernier caliper to make measurements to the nearest 1/10 of a millimeter. The conversion is given by. Objective This lab will introduce the basic laboratory equipment and skills needed for accurate and precise quantitative analysis. Measure all currents, voltages and power readings at same load settings of resistor load cart from step 5. Use a micrometer to make measurements nearest 10-6 meters using a micrometer. An example of the relative errors for the pipet measurements: Assuming the experimental value was determined to be 24.98 mL, the relative uncertainty is: Relative uncertainty = 24.98 mL x 1.2x10-3 mL = 0.03 mL Physics 215 - Experiment 1 Measurement, Random Error & Error analysis them in your laboratory report. 1. The intensity of Acidic and basic character of a solution is indicated by ph or hydrogen ion ,at a given temperature. Experiment 1: Measurement and Precision Report: In addition to the standard elements of a well written lab report described in the introduction to this manual, your report must include: 1) An appropriate title 2) The objective of the experiment 3) Your group's data in an appropriate format 4) A graph of your group's data . The secondary objectives of this lab are to help the student become familiar with the power laboratory equipment, the web interface software, and the technique of taking . Compare the advantages and drawbacks of using the two devices. 8.50 . CHEM 139 Lab Guide Page 6 Experiment 1 Figure 1.3: Examples of glassware used to measure volume. Make measurements to the nearest 1/10 of a millimeter using a meter stick. Table 1. This provides at least a A brief soaking in warm Measurements measurement of length, mass, and time measurements is the estimation of the ratios of various quantities measurement of length, mass. Be sure to verify that the approximation used here is valid by comparing RG and R1 . Procedure: A. report the average experimental value with its relative uncertainty. Therefore it is important to always report the amount of confidence we have in our measurements, . Let your TA check your data Tables. First, read the entire lab manual for Laboratory #1. You will submit your completed report. Experiment #1. and R.S.D. LAB 1 (Weeks 1 & 2) Introducing Measurements in the Laboratory. EET111: EXPERIMENT 1: Electrical Resistance and the Resistor 2. Venturimeter In a Venturi meter there is first a converging section in which the cross sectional area 0.6373 . 2, to deduce the flow rate across each cross-section. Calibrate the digital gage; this is achieved with no-load condition on the specimen.