Title: Laboratory Techniques and Measurements Purpose: To properly use‚ understand‚ and correctly convert the scientific measurements such as: finding density‚ converting centimeters to millimeters‚ 3 different units of temperature‚ etc… Procedure: I used a metric ruler to measure the length of the objects‚ a thermometer to determine the degrees of the water‚ and a scale to determine the mass of the designated objects. I used the proper equipment to measure out or hold the item. After I gathered
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Course: BSED-IV Laboratory Experiment no. 2 The Living Plant Cell Objectives: * To study the different types of plant cells. * To observe plant cells as to their shapes‚ structures and function. Materials: Microscope cover slip glass slide water onion Iodine soln. hydrilla salt tomato razor blade Medicinal dropper epidermal tissue of rhoeo-discolor Procedure: 1. Onion Cell 1. Prepare an onion bulb 2. Place a drop of
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Laboratory Measurements and Density Objectives: A. To determine the density of Aluminum (lit. value = 2.7 g/cm3) by determining its mass‚ and measuring its volume by dimensional analysis and water displacement. We will also examine the % error in our determination based on the literature value. B. To determine the mass and diameter of select ball bearing. Plot graphs of mass vs. diameter‚ mass vs. surface area‚ and mass vs. volume. Afterwards use slop of the mass vs. volume graph to determine density
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Measurements Experiment Leader: John Paolo Andes Members: Bea Mendoza Tricia dela Cruz Jeesza Albis Era Diana Augusto Robin Peralta Franz Mondoñedo Jan Mykiel Agar Reginald Turingan Michael Villaverde Zoren Eleazar Caspe Angelo Duque Paolo Serrano Dan James Losorata Aldrin Jay Bondoc Zeus Marquez Liezel Pantoja Date Performed: July 11‚ 2013 Date Submitted: I. Objective To understand the relationship between the construction of a measuring instrument and
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Name: LaGarrian Harris|Date: 2/10/2013| Exp 2: Laboratory Techniques & Measurements|Lab Section: 1411| Data Tables: Length Measurements Object Measured|Length in cm|Length in mm|Length in m| Key|5.2|52|0.05| CD|12.0|120|0.12| Spoon|15.0|150|0.15| Warm Temperature Measurements Hot tap water temperature __44.0 ˚?C 111.2˚?F 317.15_K Boiling water temperature at 5 min __100_˚?C _212 ˚?F 373.15_K Cold Temperature Measurements Cold tap water temperature _19.0_˚?C _66
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Are laboratory experiments useful? Laboratory experiments are easy to replicate and help to find how the Cause and effect of relationships can be established. Laboratory methods usually have High levels of control over extraneous variables. One of the major strengths of laboratory experiments is‚ control. The more variables you have control over‚ the easier it becomes to draw conclusions about the effect of the individual variable on the dependent variable. Laboratory experiments allow for high
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0.07 0.06 p(x) 0.05 0.04 0.03 0.02 0.01 0 -5 -4 -3 -2 -1 0 x(t) Basic Statistical properties Marco Tarabini 1 2 3 4 5 Introduction 2 If a physical phenomenon of interest is random‚ then each time history measurement x(t) of that phenomenon represents a unique set of circumstances which is not Iikely to be repeated in other independent measurements of that same phenomenon. Hence‚ to completely define all properties of the phenomenon‚ it
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Brittany White | Date:2/11/13 | Exp 1: Laboratory Techniques & Measurements | Lab Section: 73426/0 | Data Tables: Length and Measurements Object Measured | Length in cm | Length in mm | Key | 6.4cm | 64mm | Fork | 26.5cm | 265mm | CD | 17cm | 170mm | Warm Temperature Measurements Hot tap water temperature _73___˚C Boiling water temperature _101___˚C Cold Temperature Measurements Cold tap water temperature __15__˚C Ice water temperature __0__˚C Volume Measurements Volume of completely
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Experiment 1: Errors‚ Uncertainties and Measurements Laboratory Report Abstract The success of an experiment greatly depends on how the group is able to execute it and how precise and accurate their results are. In this matter‚ errors and uncertainties in measurements are of great factor. In this experiment‚ the group was able to classify the causes of such errors and which measuring device is more precise and accurate than the other. These were obtained by measuring the diameter of an iron sphere
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Chemical Changes Purpose: To learn about the international system of units (SI)‚ to become familiar with common lab equipment and techniques‚ to gain proficiency in determining volume‚ mass‚ length‚ and temperature of a variety of items using common laboratory measurement devices‚ to learn to combine units to determine density and concentration‚ and to use laboratory equipment to create serial dilutions and determine the density and concentration of each dilution. Procedure: Measure the volume
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