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Lab Reports Essay Examples

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Tensile lab report

Referring from the resultant graph, we can see that the obtained graph line is straight until the one point it decrease gradually and be rupture. This shows that both variables on the graph are linearly related with each other. From the data obtained, we identify types of fracture surface of mild steel under tensile loading….

Carbohydrates lab report

Carbohydrates are a type of acquirement found in many foods and beverages. Most carbohydrates are naturally occurring in plant-based foods, such as grains. Food manufacturers also add carbohydrates to processed foods in the form of starch or added sugar. As with all our approaches to food ingredients/constituents we will first examine the structure of carbohydrates…

Power Phys Lab Report

What was the average resting cardiac cycle length? The average was 832 ms b. What was the average exercising cardiac cycle length? The average was 408 ms c. The range of normal resting cardiac cycle length is between 818 and 858 ms. Did average cardiac cycle length increase, decrease, or not change with exercise? The…

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Immune System Lab Report

During this lab activity, my partner and I will test the effectiveness of different hand-washing times, techniques, and materials. The objective of this activity is to answer the question: How long does it take to effectively wash your hands? I hypothesize that it takes around 35 seconds to effectively wash your hands, because it takes…

Enzyme Lab Report

The oxygen can b e observed as bubbles coming from the reaction site. Catalane is found in m any living tissues of organisms, including chicken liver. The purpose of this experiment is to determine what changes in pH, temperature, and enzyme e concentration have on the rate catalane works to break down hydrogen peroxide. If…

Lab Report Flowers Fruits And Seeds

How many petals does this flower have? 6 2. How many stamens does this flower have? 5 3. How many stigmas does this flower have? 1 4. Is this the flower of a monocot or a idiotic? Monocot 5. Explain your answer for question #4. This flower has petals multiple of 3. The petals also…

A Lab Report on Microbial Growth

Typical hosts of this species are humans and other warm-blooded animals, where a favorable temperature of ICC is usually maintained in the intestinal tract. S. Epidermis may cause urinary tract infections (Tutsis) and infections associated with intramuscular devices such as prosthetic heart valves, shunts, etc. (Babushka, 2004). The second microorganism that was analyzed during this…

Benzoin Lab Report

Introduction/Background: Introduction: Discussion of the mechanism of the performed reaction; discussion of why evenhandedly is air-sensitive. Step 1: Deprivation of the thiamine: Noah attacks thiamine and deportations it. There is a formation of a carbine, which is very reactive. Step 2: nucleotide attack of the evenhandedly by the depredation thiamine: Step 3: A carbine is…

Bio lab report on insulators

Foam is 5 percent air so the air molecules slow down the heat transfer from the liquid, so it stays warmer longer than cotton insulation. This leads me to predict that foam would be the best insulator, as it would trap the heat more, which will cause deficient heat lost. Identification of Variables There are…

Bt Corn Lab Report

Why was it made? Bit corn was produced to combat the species of caterpillar pest called Lepidopterist. It was made to take care of one of these types of caterpillars specifically, the European corn borer. Bit corn is made to include the gene from Bacillus trustworthiness. This bacterium lives naturally in soil. It produces a…

Density Lab Report

Calculation for uncertainty of the mass of water The mass of the water is taken in 5 decimal places, therefore, the uncertainty of its mass is extremely small, and hence, it is negligible. Calculation for uncertainty of the density of water The gradient of the minimum slope is 995 The gradient of the maximum slope…

Flexibility Lab Report

Though it is commonly accepted that the sit-and- reach produces an accurate and relative measure of a person’s flexibility, the Aladdin of the test has been examined a number of times (Jackson and Baker, 1986). A common issue with the sit-and-reach test is revealed when one of the subjects taking the test has disproportionate arm…

Gene Therapy: Lab Report

Sequence, so it could not replicate on its own and needed to be integrated by homologous recombination. The TRIP gene was a circular plasmid that contained an EARS, which allowed for it to act as an extra chromosome in the gene. The objective was to insert a “wild gene” and replace the defective genes and…

Graphing Lab Report

As going along with the procedure as follows my group put a meter stick vertically against the wall, secure the ether stick to the wall with two strips of tape so it could hold together The Next Step after that was, to drop the ball as close as possible to the meter stick and measure…

Lab Report

To experimentally determine the centre of pressure on fully and partially submerged vertical plane surfaces and to compare that with the theoretical center of pressure. 2. Theory A fabricated quadrant is mounted on a balance arm which pivots on knife edges. The line of contact of the knife edges coincides with the axis of the…

Lab Report

My research was conducted to explain how populations evolve by means of natural selection. In 1859, an English naturalist by the name of Charles Darwin first suggested an explanation for how evolution occurs, a process he called natural selection. Natural selection can be defined as the differential survival and reproduction of individuals with different phenotypes…

Lab Report Discussion

We have made four set-ups in two different specimens. Onion and Boat of Moses skin with water, 2%, 5% and 10% salt (NCAA) Solution. Based on our experiment, the result of the set up explains that the presence of the salt solution results in outward diffusion of water and the collapse of the protoplasm. In…

Physics Lab Report

The period remained the same as the mass increased. LLC. As the arc of swing increased, did the period (T) increased, decreased, or remained the same? The period of swing decreased as the period (T) increased. AAA. From the data table 1 construct a graph of periods (T) (Y axis) vs… Length (m) (X-axis) b….

Circuit Lab Report

A millimeter is an instrument designed to measure electric current, voltage, and usually resistance, typically over several ranges of value. The millimeter has different programs to measure voltage, current, resistance, etc. Produced from one of two types of circuits. The first type of circuit is a series circuit. A series circuit is a circuit in…

Continuous Stirred Tank Reactor In Series Lab Report

A type of reactor used commonly in industrial processing is the stirred tank operated continuously. It is referred to as continuous-stirred tank reactor. (CAST), and is used primarily for liquid phase reactions, [l] In a CAST, one or more fluid reagents are introduced into a tank reactor equipped with an impeller while the reactor effluent…

Beet Cells

A spectrophotometer will be used to measure this variable by measuring the absorbency value of the beautician in solution after each treatment. The results of this study will show the necessary temperature to keep the vacuole intact. It would influence common agriculture practices by indicating a more ideal environment setting and techniques. At the same…

Behavior Of Gases

According to Charles Law, fifth pressure Of a gas is held constant, as the gas is heated, its volume Will increase and that cooling the gas will cause the volume to decrease. Charles law describes that of the Gay. Lucas law, who had actually referenced unpublished work of Charles. The law states that at a…

Acid Rain Lab Report

Acid rain on plant -Background information Unpolluted rain is normally slightly acidic, with a pH of 5. 6. Carbon dioxide (CO) from the atmosphere dissolves to form carbonic acid. Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear…

Ap Chemistry Lab Report

After the experiment, the experimental mole ratio of alum to eater will be calculated and then compared with the accepted mole ratio. (This is 12 to 1). Theory If this lab if conducted properly, the unknown substance will be determined to be alum because of melting point, percent hydration and percent sulfate. The first test…

Projectile Motion Lab Report

An object in a projectile motion moue horizontally with no acceleration and vertically with the gravitational acceleration at the same time. This experiment is to investigate projectile motion using experiments, equations and comparing the expected and experimental data. Procedure: Case I: Use formulas to find equation of horizontal Range (R) in a projectile motion. Rearrange…

Population Pyramid Of Afghanistan

As the oral’s population grows, improving living standards without destroying the environment is a global challenge. Crude birth rate is the nativity or childbirths per 1,000 people per year. Total fertility rate, which is the average number of children born to each woman over the course of her life. The crude death rate, is the…

Electrostatic Charges

As there were five similar experiments done, there is one common observed behavior – similar charges repel and opposite charges attract. The experiment went expected as there were no unusual observations recorded. In the first part, it was observed that when the plastic rod was rubbed it attracted the tissue bits. The explanation with this…

Diels Alder Lab Report

Be sure to address any questions posed in the lab procedure as well as any additional questions that your TA wants you to answer. You should also analyze any NORM spectra that you have from the reaction (if applicable). Spectra of starting materials are available on the Vista site. This reaction was carried out using…

Lactase Lab

Both plots of data were hen used to find at which concentrations of NP absorption levels, and thus enzyme activity rates, were at their highest across each of the three pH solutions. Based on the results of both experiments, it was found that a pH of 5 is the optimal pH for the productivity of…

Antimicrobial Lab Report

Chemotherapeutic agents are antimicrobial chemicals (natural or synthetic) that can be used internally or may be absorbed. The purpose of antimicrobial drugs is either to inhibit virus replication, without harming host tissues or to interrupt the cell processes or structures of bacteria, fungi, and protozoa. This lab has brought great interest to me because this…

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