Introduction: The purpose of this lab will be to investigate the concepts of accuracy and precision for quantitative measurements using density as an example. The density of a sample will be found experimentally and compared to a known value. The relationship of averages and different analysis techniques to percent error will also be explored. Density is a characteristic of a substance which can qualitatively be described as the amount of matter (mass) squeezed into a given space (volume). The
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Microbiology Sec 147848 November 18‚ 2013 Title of the Experiment: Enterobacteriaceae Identification: The Enterotube II System Learning Objectives: After completing this exercise we were able to inoculate an unknown bacterium that belongs to the Enterobacteriaceae by using technology effectively with a Enterotube II. An Enterotube II is a miniaturized multi-test system for rapid identification of enterbacteriaceae. We then evaluated the test results and generated a five-digit code for the unknown
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Data Table 2: Temperature measurements. Water Temperature (°C) Temperature (°F) Temperature (K) Hot from tap 42c 107.6f 315 k Boiling 99 c 210.0 f 372 k Boiling for 5 minutes 100 c 212 f 373 k Cold from tap 18 c 64.4 f 291 k Ice water – 1 minute 10 c 50 f 283 k Ice water – 5 minutes 5 c 41 f 278 k Data Table 3: Mass measurements Object Estimated Mass (g) Actual Mass (g) Actual mass (kg) Pen or pencil 5g 5.1 g .0051 kg 3 Pennies 9g 8.1 g .0081 kg 1 Quarter 5g 5.6 g .0056 kg 2 Quarters‚
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archive file of SCI 207 Week 2 Answer to Lab Question 2 shows the solutions to the following problems: In the lab questions below‚ report your answers in the format of a scientific report: introduction‚ methods‚ results‚ discussion‚ conclusions and management recommendations. Introduction 1. What is the question that this study aimed to answer? State the hypothesis that you tested. 2. Briefly describe the methods of data collection and analysis you used to test your hypothesis
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ENZYME LAB REPORT 1. In your own words‚ define objective qualitative and objective quantitative data. DO NOT USE EXAMPLES AS YOUR SOLE DEFINITION. (3) There are two different types of information that can be obtained from research. The types of information that can be obtained are quantitative and qualitative data. Research results are considered qualitative when the results can be answered with a simple statement of yes or no. Qualitative data does not attempt to give a numerical value; instead
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Unit 2 Home Labs - KEY Goals: Read Safety Perform Changes: Physical or Chemical Lab Perform Special Physical Properties of Matter Lab Perform Paper Chromatography Lab Turn-in: 1) Changes: Physical or Chemical Lab - Completed Procedure / Observations‚ questions‚ and a written description of most important concept that you learned in the discussion section. 2) Special Physical Properties of Matter Lab – Completed Procedure / Observations‚ questions
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In this Lab the students were required to do several tests and measurements and then convert these units into other units. There were five tests in all. The first test was measuring the average of three broad jumps in centimeters then find out how many jumps it would take to travel one mile. The second test involved measuring a candy bar (for my group we used a snickers bar) then finding out how many snickers bars end to end it would take to wrap around the equator of the earth. For the third measurement
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Kharishma Patel BIO 3422-E Urine Analysis Lab Objective The objective of this experiment shall be to examine the effects of different types of fluids on the renal system including rate of urine production‚ pH‚ and specific gravity. Hypothesis The group drinking water will have the highest rate of urine production. The group that drinks water only when thirsty will have the lowest rate of urine production. The specific gravity of urine for all treatment groups will be around 1.000. The pH for
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Reminder: All post labs need to be 1- typed (not handwritten) ‚ 2- original (not copied from a classmate)‚ 3- answered using complete statements and 4- turned in at the beginning of the lab. Post-lab questions for Topic 5 – Enzymes Name: Date: Group: T W R Formation and Detection of Benzoquinone Table 1. Formation and Detection of Benzoquinone: Record Absorbance Time 2A-Potato extract + cathecol 2B- Potato extract + water 2C- Catechol + water After 10 min 1- What were the substrate
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2 major lab accidents: 1) Adam and Joey‚ best friends since kindergarten‚ were doing an experiment in engineering class. The boys launched a potato at the wrong rate of speed and distance and broke a school window when they were trying out their potato launcher that was made to be launched indoors inside the school lab. If Adam and Joey had listened carefully to the teachers instructions‚ they would have launched the potato to travel the correct distance and speed. Maria and Kathy‚ two girls who
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