Genuine Lab Report Examples

Papers already added: 341

Biology lab report of osmosis assignment

Type of solution used All of the cylinders were immersed in solutions of sucrose and distilled water. Volume of solution All the cylinders were immersed in beakers containing ml of the sucrose solution.

Heat transfer radiation lab report

Convection is the process of heat transfer from one location to the next by the movement of fluids. The differences in water density between the bottom of the pot, and the top of the pot results in the gradual formation of circulation currents.

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Digital electronics logic gates – lab report example

Additionally, the experiments aimed at using the XOR and OR gates to setup a circuit that implements 1's and 2's complement of a 4-bit binary number. Figure 1 Figure 2 After connecting the input to a 0 and a 1, we recorded each output and produced the truth tables indicated below, Table 1 and Table →

Faraday’s law lab report essay sample

B is the magnetic field at the location of the coil. A is the cross sectional area of the coil, and is the angle between the field and the area A.

Ways of assessing body composition – lab report example

The purpose of the experiment will be to use skinfold measurements to measure the body fat content of a 23-year-old lady. The lady's body fat percentage is 26.15%.

Introduction – lab report example

Introduction Coral Reefs: Coral reefs are the most diverse and beautiful of marine habitats and are also known as " Rainforests" of the ocean. One of the most dominant is the sea anemone Aiptasia pallida, members of the phylum Cnidaria, which contains zooxanthellae.

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Evolution lab report assignment

On the other hand, hypothesize that the population of finches on Wallace Island will decrease as well as their clutch size and their beak size would stay the same size because of the small amount and variation of seeds available on the island, resulting in a possible distinction of the species on the island. For →

Design, synthesis and pharmacological tests of leukotrienes a4 hydrolase inhibitors as potential targets of interest in cancer treatment – lab report example

Scheme 2: Preparation of 3, 5-diacetoxy-stirene While addressing the topic of trans-resveratrol, the research does not make any contribution to the area of cis-resveratrol synthesis and application. For the synthesis of the resveratrol analog, we need to prepare the corresponding nitro derivative from the respective aldehyde using the methodology developed by Dauzone as described in →

Analyzing the place kick in tackle football to determine the factors that achieve highest foot velocity at ball impact – lab report example

This paper presents an analysis of the ' place kick' in tackle football with the aim of determining the factor, which achieve the highest foot velocity at the ball impact. Work Cited Barfield, B." The biomechanics of kicking in soccer".

Stress strain experiment – lab report example

College Strain gauge A strain gauge as the suggests is an electrical device used to measure the strain of an object. The electrical resistance R of a wire of length L with cross-sectional area A can be illustrated by the formulae; Where is the strain.

Accounting system checklists – lab report example

The selection of the best accounting system software requires a lot of proper research and studies in order for the organization to work effectively. Steps Involved in the Selection of the Right Accounting System Software 1.

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Medicinal microbiology lab report assignment

D had abundant growth of mm yellow colonies that are circular and have a mucous consistency. F had moderate growth of 1 mm, white, circular, moist colonies that gave off a pungent dour and exhibited alpha hemolytic.

Charles law lab report

The volume of the air sample at the high temperature, decreases when the sample is cooled to the low temperature and becomesV1. Measure the volume of water in the flask.

Neurophysiology lab report essay sample

The effects of the ether on the nerve is that it causes the nerve to have no action potential.1. The effect of adding curare was that it created action potential to the nerve.1.

Heat transfer lab report

1, convection from the water to the surface of the cylinder is the rate limiting heat transfer mechanism. The temperature-time plot gotten by applying a lumped-parameter analysis to the Aluminum cylinder was compared to the plot obtained from the thermocouple located closest to center of the cylinder.

Ice – lab report example

We then repeated the whole experiment three times using the same medicine bottles and noted the time taken for ice pieces to melt in each trial as follows Ice pieces in bottle number 1 2 3 4 Surface area of the ice piece in cm3 60 50 40 30 Average time in minutes 10 15 →

Enzyme catalysis lab report essay sample

The cause of this is a decrease in the energy needed to activate the reaction of the substrate molecule to from products. This also includes the measurement of the amount of oxygen produced and accumulates the ratio of the enzyme-catalyzed reaction.

Osmosis potato lab report biology assignment

If the concentration of sucrose in the solution is less than the concentration of sucrose found in the potato, then the potato would decrease in mass. The opposite would occur as well, if the concentration of sucrose in the elution is more than that of the potato, then the potato would expand and gain in →

Malaria disease lab report essay sample

Doxycycline is also considered to be the least expensive material used for anti-malaria, so even people that are living in poor areas with Malaria can afford to buy it. It is one of the cheapest anti-malaria medicines to own and many people living in poor areas and is infected with Malaria can afford it.

Electron probability lab report

Also, the graph in figure two has more of a curve that goes up at the end, and ours goes down at the end.2.*Graph The probability of a hit in any given unit area on the target varies with the distance of that area from the bulls-eye because of the positioning. I would but it →

Integumentary system – lab report example

This is created by the movement of ions between the outside and inside of the membranes which produce the electrical charge that carries the electrical signals throughout the body. This occurs after the neuron has reached action potential and it is the time that is necessary before the neuron is ready to stimulate the movement →

Biomedical science – lab report example

Count of PBMC's in logs and the toxoids conc in Ug/ml Figure 1. The proliferation of antigen-specific is a specific CD4 T cell immunity hallmark.

Soc crtq 2 – lab report example

The third category is defined in the 'pluralism' theory that the general public controls the government through the voting and electing of governmental candidates. The author argues that the people running the corporate community and the growth coalition are the actual power dominators and describes them as the social elite.

Outline of the final lab report assignment

I poured in some of the contaminated water into the filter after five minutes it was considered as filtered water and a couple of drops of bleach were added to the water as well. Experiment #3: Drinking Water Quality In this experiment I tested the water quality of two different types of bottled water and →

Osmosis lab report assignment

The controlled variable in this lab is the carrot and time, the manipulated variable is the salt solution, and the resulting variable in this lab is what happens to the carrot. Qualitative The results for the osmosis lab is that the 0% salt solution with the carrot inside ass increased a lot.

Audiometry – lab report example

The pure tone audiometry is used in determining the threshold of hearing of the patient. In the left ear, the hearing ability increases between 250-2000 Hz.

The effects of alcohol on metabolism of liver – lab report example

The primary metabolic pathway of alcohol in the liver is by oxidation through the alcohol dehydrogenase pathway with the resultant production of acetaldehyde. Experiments in rats and sub human primates suggest that chronic alcohol exposure to the liver results in an increase in ethanol metabolism involving the alcohol dehydrogenase pathway resulting in increased oxygen uptake →

Disecting a fetal pig – lab report essay sample

The dissection of the fetal pig in the laboratory is important because pigs and humans have the same level of metabolism and have similar organs and systems. The liver processes this blood and breaks down the nutrients and drugs in the blood into forms that are easier to use for the rest of the body.

The chemiluminescence of luminol | lab report

In fluorescence the electronic spin is preserved, while the radiant intensity of chemiluminescence can be expressed as: This equation holds true since the rate of chemiluminescence depends both on the quantum yield c CL, and also the rate of chemical reaction. Thus blood can be seen to luminate with the addition of luminol The yield →

Psychology- proposal – lab report example

Upon approval from the school, I will use the entertainment hall to conduct the research since it will be convenient in providing the different noise levels. In the experiment you will be required to read an article in a noisy environment.

Berlese funnel lab report essay sample

But on the second day we decided to take samples from the alcohol, place them in a depression slide, and look for the organisms underneath the microscope, where we then found hundreds of chiggers. Conclusion: In this lab we used The Berlese funnel to see just how much biodiversity was in a single environment.

Gross anatomy lab report assignment

C List one muscle that is the prime mover/agonies for depression of the mandible and list one muscle that is the antagonist for depression of the mandible. The one muscle that is the prime mover for the mandible is the masters.D.

Crayfish lab report

The firing rate of the slow-adapting receptor neuron in response to stimulus, which in this experiment is the stretching of the Crayfish tail at 2, 4, 6, 8 and 10 mm. In Figure 7 of Krnjevic and Van Gelder, it is at the two largest values for stretch that the firing rate increases from linear →

Lab report paraphrasing

Part 3 The third section of the Experiment 2 was to determine the time used by MATLAB to finish solving the FFT and DFT CODE. Discussion According to Experiment 1 observations, the T value of the signal when increased to 2 seconds from 0.

Transpiration lab report

Then, put the leaf with its stem in the opening of the tube with the end with the plastic tubing clamp. As the light, temperature, and wind increased, the rate of transpiration increased as well.

Female to male smokers or female to male nonsmokers/ excerise or nonexcerise whos in worse shape – lab report example

DISCUSSION Although the vital capacity has not been shown in this experiment to be bigger among males than in females, such has been proven, because the size of the lungs is directly related to the height of an individual. Smoking decreases the lung capacity because the chemicals in it imbed on the lung tissue and →

The ib lab report format

Variables Variables Control of the variables Independent variable State your independent variable and the range, if applicable, and also the number of repeats How will you manipulate your variable? State the uncertainty of the instruments used.

Astronomy 101 for 2 year college – lab report example

Of course, the advance of the Moon soon covers the chromosphere and then the much rarer corona becomes visible as a broad white halo. Sunspots are cooler than the sun's photosphere.10.A.1.

Short essay about lab report

From the results obtained by the negative and simple stain, we assumed that the unknown sample might be Alcaligenes faecalis, due to the shape of the cells and their clustered pattern. Based on the results of the Gram stain and the KOH Gram test we concluded that our unknown sample was a Gram-negative.

Enthalpy of solution lab report assessed essay sample essay

Since the heat content value is means that energy is lost.likely due to heat to the surrounding.which in this instance was the H2O. It seems as the experimental value is really good since the literary values is within the scope of the experimental values uncertainness.

Enzymatic reaction lab report assignment

The factors that change the rate of the reaction can be the increase of the temperature, concentration of salt, and the pH level. Methods and Materials Reaction as a function of time In this part of the experiment, a blank solution was prepared by combining 4, 450 Pl of Ph 7 buffer, 50 Pl of →

Lab reports assignment

The body of the lab should be single spaced. This is not meant to be a summary of the lab.

Science friction lab report

The smallest amount of force was the rolling friction. A: The largest type of friction was static friction.

Stoichiometry lab reportnew essay

Calculate the number of moles Of Cacao; EH from the mass you weighed out and record in the table below. From the balanced equation calculate the number of moles of Niacin required to react completely with the Cacao; EH and record in the table.

Precision and accuracy lab report

Last, the average mass of water and standard deviation was calculated, confirming the results that the buret was the most accurate measuring device. The unknown metal was placed in the cylinder next, and the displacement of water was recorded as the volume.

The chemistry of copper: ap chemistry lab report flashcard

When reaction is complete, orange/bronze solid and clear, colorless solution is visible. And finally, when solid aluminum is added it reverts back to pure solid copper.

Central processing time and its performance – lab report example

The second task Suit Sort took a longer processing time compared to the last task Color Sort with Preview. The processing time is dependent on the complexity of the task to be performed and the type of hand used if either it is the dominant one or the non-dominant one.

Separating out plain pins – fluid power – lab report example

The group of pins was separated into two varying groups based on the pin size. The first groups were selected from the first forward stroke while the second group was selected from the backstroke of the double acting cylinder.

urine analysis lab report essay sample

There are countless tests that can be taken during a urinalysis that can help to show any abnormalities in the urine and rest of the body. Once the filtrate moves to the loop of henle, as it descends, water is highly permeable and sodium is impermeable to the membrane of the loop of henle.

Lap – lab report example

Experiment #2: The Size of the Moon Viewing location and other present if any ment of Purpose: The purpose of the experiment is the measurement of the angular size of the moon. The angular size of the moon refers to the number of arc degrees the width of the moon occupies in the sky.

Chemistry lab report

The heat given out by the reaction was recorded using the formulaHeat given out by the reaction= heat absorbed by water5. The heat given out by the reaction was noted using the formulaHeat given out by the reaction= heat absorbed by water5.

Bio lab report

The volume of vitamin C needed to decolourise 1% of DCPIP solution is recorded.8. A graph of the volume of the vitamin C needed to decolourise 1% DCPIP solution against the concentration of vitamin C is drawn which known as the standard curve.

Engine lab report

13 14.02 0. 5 14 3000 28.

The nature of theory – lab report example

Criteria for Effective Use of Theory Sutton and Staw asserted the following in regard to what theory is not: 1. What theory is not.

Science research, predictions, & observations – lab report example

The feather is going to flutter and float gently in the friction of the air, and stay in the air longer than the rock, even if they are the same size. There is no friction from the air to influence the feather, on the moon." The weight of an object is different on the earth →

Di box – lab report example

The change in the signal level is directly proportional to the turn's ratio in the primary and secondary coils. The DI box, though playing a small part in the audio chain is not to be overlooked.

Auscultation and spirometry – lab report example

Ausculating the lungs of is defined as a procedure of listening to the breath sounds with the help of a stethoscope. The tidal volume of an individual is the amount of air that an individual can move in the lungs during the breathing procedure.

Microbiology lab report assignment

Fifth organism is unable to utilize the carbohydrate but does use the potent, the by-product is ammonia, which raises the pH of the media and turns it fuchsia. When the Kava's reagent was added to the SIMI tube, the top of the medium turned a ruby red color which indicates a positive test result.

Chemistry beverage lab report

If the density of the beverage is 1. Construct a Results table and record the density of the beverage and the estimated percent sugar concentration.

One – lab report example

That is, the smaller the URL the lower the number of packets and the bigger the URL, the higher the number of packets. The third one is of the length, 64 units.

Gene therapy: lab report

The Offender tubes were filled with poll of solution 1 before the yeast was added to them. The supernatant were discarded and the pellets were suspended in poll of solution 2.

Physics lab report – what keeps a stopper moving in a circle essay sample

With the paper clip against the tube and the string pulled taut, measure the length of the string from the top of the tube to the stopper. With the paper clip against the bottom of the tube and the string pulled taut, measure the length of the string from the top of the tube to →

Metalurgy lab report assignment

The main aim of the laboratory experiment was to examine and to compare the macrostructure and hardness of different carbon content metals, starting from 0.%C, 0. The composition of this phase is simply the same as the overall composition of the alloy in the operation.

Seven dimension of wellness – lab report example

Notably, it involves all the process of living, achieving, and growing in life so that an individual can maximally experience the potential to being well being; hence, wellness is living life to the fullest without any form of intolerance. Hence, fulfilling the seven wellness dimension means achieving a healthy and happy life.

Fermentation lab report

The purpose of the experiment is to test the effect of five different temperatures on the rate of carbon dioxide production in yeast. The original energy source of glucose is in the form of molasses in the lab.

Surface area and volume using different volume agar cube lab report essay sample

Conclusion and evaluation The table 1 indicates that the rate of diffusion into 2% agar cubes does not depend on their size; no matter what was the size of the cube, NaOH travelled 0. Table 2 says that the higher the surface area to volume ratio the higher the diffused to possible distances ratio, and →

Serology – lab report example

In the blood, hydrogen peroxide is degraded by peroxidase of hemoglobin into hydrogen and oxygen, turning the solution basic. This ensures that any change in the solution results from the reaction of hemoglobin with hydrogen peroxide.

Lab report

Potassium oxalate is added to the FeC2O4 precipitate, which produces a slightly basic solution for the oxidation of the ferrous ion to the ferric ion, by hydroxide, H2O2. The following reaction takes place: H2O + HO2- +2Fe2+ 2Fe3+ + 3OH- The OH- ion concentration of the solution is high enough so that some of the →

Physics lab report essay

The period of swing decreased as the period increased.AAA. The theoretical equation for the period of a pendulum is giving by.

Osmosis lab report assignment

The result was that the more sucrose in the bag, the greater the final mass. The dependent variables are the final mass of the bag, the change in the mass of the bag, and % change in the mass of the bag.

Mechanical testing lab report

Materials and Methods For the first method of this experiment, the Rockwell hardness testing of brass, the TA prepared three different types of brass for testing. 5 The remaining method that was discussed in this experiment is the Jominy quench-test.

Lymphatic and immune systems – lab report example

This amplifies that the intensity of the signal detected classifying an illness early enough before is blows to the entire body of the patient. However, the Western Blot test takes its time to establish the status of an antibody, and that is why most of its results are negative.

Microbiology lab report assignment

The lack of growth in the Penitently Alcohol agar plate confirmed that my unknown was gram negative. The growth in the Heighten Enteric Agar plate confirmed that the organism was not shillelagh nor salmonella.

Gummy bear osmosis lab report assignment

Hypothesis: My hypothesis for this experiment is that the Gummy bear will absorb more of the plain tap and sugar water and the salt water will shrink the gummy Procedure: Materials- 3 clear cups, one spoon, 3 gummy bears, timer, tap water, salt, sugar, ruler, and beaker Fill one cup of tap water, one cup →

Vsepr – lab report example

5 no SF4 MX4L 120 yes XeF4 MX4L2 90 no PF5 MX5 120 and 90 no SF6 MX6 90 no 3.2. 0 no NF3 120 0.

Product design and prototype making – lab report example

The main aim of the report was to come up with a question list following the inquiry from the client. The report also aims at improving the interpretation of the needs of customers and taking the necessary actions.

Volumetric analysis chemistry lab report

In this case though, finding the molarity of the acid used in the reaction is then used to determine the percent of that acid in a vinegar solution and compared to the standard value for % acid present in vinegar. It must be understood that the number of moles of the reacting NaOH and the →

Physics example lab report

Clipboard: Cork: Rubber: Sandpaper: 1 BlockMu=. 72 Static Friction Coefficients calculated: Clipboard: Cork: Rubber: Sandpaper: 1 BlockMu=.

Lab report assignment

Hint: Read and study the explanations within the lab for assistance. Take a screens of the output.

lab report format for meteorology lab essay sample

Then, you will graph some of the weather data to draw conclusions about the relationships between the data. Objective: The objective of this lab assignment is to determine how we can use weather data to predict the weather.

Lab report-drosophila melanogaster essay

According to Chi 2 Test values of 71 individuals tested the expected offspring would occur as follows: 40 wild wing-ebony bodied: 13 wild winged-ebony bodied: 13 vestigial winged-wild bodied: 4 vestigial winged-ebony bodied flies. Out of the 71 flies observed we found 40 wild winged wild ebony body.

Thermodynamics of borax lab report assignment

This experiment was inducted to determine the standard entropy and enthalpy of the dissolving reaction of borax in water. The thermodynamic properties of the reaction helped to determine the change in heat and spontaneity within the system.

Rapid colony transformation of e -coli with plasmid dna – lab report example

Incubation: The DNA is added and the cell suspension is kept at 0C.the cations are thought to neutralize negatively charged phosphates in the DNA and the cell membrane.3. Samples of both the cell suspensions, one with just the E-coli and the other with E-Coli with added plasmids-are put on two plates with two types of →

Lab report chemistry matriculation experiment assignment

Lab report chemistry matriculation experiment 5 Example chemistry lab report matriculation experiment 4. What is the conclusion for lab report chemistry experiment 5 redo titration using sodium theosophical.

Chemistry- “pennium” lab report flashcard

800 Conclusion: The purpose of this lab was met because the atomic mass of " Pentium was calculated using the isotopes of Pentium- the ones that were made before 1982 and the ones that were made 1982 and after. The average mass of a pre-1982 penny was grams, and the average mass to a post →

Friction lab report essay sample

Introduction The purpose of this experiment is to observe the friction force and to determine the coefficient of kinetic friction as well as static friction of materials of different roughness. Set the block and soup can on a board with the largest surface of the block in contact with the surface of the board.

Simple distillation lab report assignment

Fractional distillation is almost the same as the simple distillation, the only preference is that in a fractional distillation, fractionating column is used which is attached at the top end of the pear-shaped flask and it is connected to the condenser as well. In order for the boiling point of the mixture to subside, steam →

Daphnia heart rate – lab report

A Daphnia is picked out from a beaker containing the Daphnia with a pipette and then placed in to the loop on the cavity slide The Daphnia used have been left to refrigerate so that the heart rate has been lowered. The concentration of the caffeine in the blood of Daphnia will determine the heart →

Ochem lab report distillation assignment

Distillation Objective: To illustrate the use of distillation for separating a mixture of two volatile liquids with different boiling points. During the initial stages of the distillation, continue to maintain a rapid boiling rate.

Microbiology unknowns lab report assignment

We inserted the needle in the unknown bacteria and then we inserted the needle into the agar to the bottom of the tube and pulled it up along the slope of the slant. By the color of the broth with the unknown bacteria turning red we determined that it is a positive result.

Ecology lab report assignment

Payne examined the relationship between reservoir water retention times and phytoplankton algae production in the summer.Dry. Their study showed that reservoirs with typically short retention times, such as reservoirs on the Cooks River, are more susceptible to hyperthyroid effects and higher chlorophyll a concentrations when retention times are increased even moderately.

Microbiology lab report assignment

We are interested in the renewal of exploration following rearrangement of objects within the open field apparatus used as the initial novel surroundings for the rats. Subjects were placed in the middle of the open field maze with no objects in it.

Lab report free essay sample

In the lab performed on September 24, 2010, animal behavior of the isopods was recorded, specifically in the climate that they preferred. Our hypothesis turned out to be correct, and in a ten minute observation, more isopods were located in the wet environment after data was recorded.

Sorting device for metal stampings experiment / fluid power – lab report example

The devices like single displacement cylinder, pressure gauge, control valve, push button valve were the main ones included to proceed with the experiment. It was seen that when the push button is pressed the lower pressure gauge went to " 6" immediately.

Mid – – lab report example

Initially, the layout and planning of the building involved the consideration of the strategic location of the various rooms, walls, openings like doors and windows and also the number of floors to be constructed. The layout of the foundation was designed in that it allowed the building to be effectively connected to a suitable foundation →