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Lab Reports Essay Examples

Ph Lab Report

By using a pH paper, indicator dyes and a pH meter, several tests will be conducted to check which one will result in a precise pH level reading. Materials and Methods Ph Paper. Get 5 beakers and label them A through E. Fill the beakers with 20 to 25 millimeters of the appropriate solutions and…

Germination Lab Report

Conclusion and Evaluation: The aim of the experiment is to observe how does using the same plants and conditions except watering them with different amounts of water will affect the ate of germination. The amount of the temperature,oxygen and light(by placing all the plants into the same place) is controlled. Some errors may caused by;…

Sowbugs Preference Lab Report

The factors that could have affected this experiment are endogenous, which are frequently correlated with environmental changes such as light, temperature, and relative humidity. They were taken from their natural habitat and put into a room with different temperature and lighting than what they are used to. Another factor to be considered is that although…

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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…

Candle Lab Report

Record as many observations as you can. . After that, light the candle. Observe the candle when it’s burning for at least 5 minutes. Record. 4. Blow the candle out. Observe the candle until no more changes are taking place. Observation before burning: + white *solid + the wick is black (got burned) +smell fresh…

Bio Lab Report

Thus, in electrophoresis, using agrees gel as the “screen”, smaller molecules will move farther than larger particles. When these fragments have a composition that allows them to be seen, the resulting electrophoresis will produce bands of color where fragments have stopped. Ideally, fifth samples are placed side by side in the gel, fragments of equal…

Enzyme Lab Report

The corresponding test are as followed; Sudan IV is used for testing for lipids, if in fact lipid is present, the reaction would produce a red/orange color as opposed to no change at all (negative reaction: Stays pink color). This solution of Sudan IV is soluble in lipids, but not in water. Benedicts solution is…

Drilling Engineering Lab Report

The aim of this experiment is to determine the mud density, specific gravity and hydrostatic pressure gradient for water-based-mud, WEB (Drilling fluid) using the TATE mud balance. Theory: Drilling fluids are used during the drilling of boreholes, either for oil wells or water boles holes. One of the major functions of a drilling fluid includes…

Newton Lab Report

Procedures of experiment: All groups had to complete two types of labs. The first lab our group had to complete was completed like so: using a car one had to tie a piece of string approximately 80 centimeters in length to a toy car on a ramp. This string was then feed one top of…

Biology Beetroot Lab Report

Lastly carbohydrate molecules of the membrane are relatively short-chain polysaccharides, which has multiple functions, for example, ell-cell recognition and acting as receptor sites for chemical signals. The plasma membrane is a permeable membrane. An important role of the plasma membrane is to maintain the integrity of the cell, holding the cell contents together. Membrane permeability…

Enzymes: Lab Report

In chemical reactions bonds must be broken and new bonds must be formed. In order for this to occur the bonds must be made less stable. For bonds to become less stable a small input of energy is required and this is called the activation energy. In simpler terms, in order for a reaction to…

Distillation and Fraction Distillation Lab Report

Additionally the boiling point temperature was upturned at the point when the solution in the boiling flask first began to boil. This temperature was gathered in hopes to compare with the known and documented boiling points of methanol and water in chemistry encyclopedias. However, this temperature was found useless as the location of the thermometer…

Ib Biology Lab Report

You, the student, are expected to come up with the independent variable. Use the independent variable and the dependent variable to phrase your research question. You should also include a brief description of your experiment. Egg. What is the effect of a changing glucose concentration on cell respiration in yeast? Five different concentrations of glucose…

Concrete Lab Report

The proportions must be so selected as to produce a concrete mixture of desired workability, strength, durability, and economy. The most common aggregates are gravel and crushed stone, although cinders, blast-furnace slat, burned shale, crushed brick, or other materials may be used because of availability, or to alter such characteristics of the concrete such as…

Enzyme Lab Report

These rates are actually the slopes of the lines that were graphed during each reaction. The trend of data showed that the enzyme-catcalled reaction rates gradually decreased as the amount of substrate decreased. MATERIALS AND METHODS Materials: 2- 10 ml Graduated cylinders 1 pipette 5 to 10 medium sized test tubes 10 drops of cold…

Ib Enzyme Lab Report

Investigating the effect of changing substrate concentration on the activity of the enzyme catalane The aim of this experiment is to examine how the concentration of a substrate (hydrogen peroxide) affects the rate of reaction of an enzyme catalyst (found in liver cells) Research Question: how does changing the concentration of the substrate affect the…

Environmental Lab Report

The natural environment is highly populated with microorganisms such as bacteria, fungi, prosiest and several others. Microorganisms are microscopic in size and vary shape. They are found in the air, in water, on land and on other organisms such as humans and pets. Many microorganisms grow at rapid speeds and can be harmful and cause…

Unknown Bacteria Lab Report

The two streak plates made from the mixture of unknown bacteria showed two different colony morphologies. Colonies of Bacteria A were translucent in color, circular in form, with entire margins and a smooth surface. Colonies of Bacteria B were cream colored, irregular in form, with undulate margins and an ambulate surface. Two different morphologies allowed…

Grignard Reaction Lab Report

The identity of the product being correct was further confirmed by way of both proton and carbon-13 NORM spectra. This is due to the fact that both spectra yielded peaks that contained the main structural residues, alcohol and aromatic groups, of thermostatically. The final yield of pure thermostatically was 8. 04 grams, resulting in a…

Class Action Lab Report

Use peripheral vision as not to damage your eyes and hold the tongs well so the product does not drop onto the table. Put product into your ml beaker. Add around 9 drops of distilled water (H2O) to the beaker with the product. Stir the beakers contents carefully. Test the solution with the litmus papers…

Lab Report

So we met the purpose of this lab. Purpose: The purpose of this lab was to learn how qualitative and quantitative observations of a chemical reaction are used to formulate a hypothesis. Background: Before doing any experience we had to observe all of the chemicals that were given to us. An observation required you to…

A Level Titration Lab Report

This is because if an air bubble is present during a titration the volume readings may be wrong. Take a volume reading and record the volume of solution in a table (see fig 1). Read the bottom of the meniscus. You need to make sure your eye is at the level of meniscus, not above…

Bioinformatics Lab Report

Using a classicist approach, we constructed a hypothetical phylogeny tree of many different plant tax by comparing their morphologies. We first decided to sort the various types of plants into groups based on morphological features. After sorting these plants into five different groups we began to determine how the plants differed from catheter in the…

Enthalpy Lab Report

The theory behind this experiment is the heat of a reaction (AY) plus the work (W) done by a reaction is equal to the enthalpy (AY-A) of said reaction. The purpose of this lab is to calculate the enthalpy of a reaction between zinc and hydrochloric acid through the equation AY+W, which can also be…

Lab Report Osmosis on Potatoe

In this case, it was distinguished because of the separation or union of the cell sap and the cell wall. When the onion epidermis cells were placed on a concentrated solution (0. M) the water in the cells moves to an area higher in solute concentration, the cell shrinks and so becomes flaccid. This means…

Formal Lab Report Graphing Anaylsis

Fire is a chemical process. Three elements are needed for this process: oxygen, heat and fuel. Without one of those elements a fire cannot start or continue. Purpose: The aim of the laboratory exercise is to determine the time it takes for the flame of a candle to die out. The purpose of the experiment…

Paper Cone Lab Report

Use glue to create paper cones but don’t cut out any sections, because that way the mass is going to change For the first circle stick three sections together and for the others, each time increase the number of sections stocked together by three. Hold the paper cones Let the paper cone fall. CM from…

Termite Lab Report

To test the behavior f termites in relation with the presence of ink, we outlined two shapes with two different writing utensils and timed how long out of a sixty second time period that the termite spent on each path. The results showed that termites spend a substantially longer amount of time following the path…

Lab Report

Orca is a proprietary software tool suite used primarily for electronic design automation. The software is used mainly to create electronic prints for manufacturing of printed circuit boards, by electronic design engineers and electronic technicians to manufacture electronic schematics and diagrams, and for their simulation. The name Orca is a portmanteau, reflecting the software’s origins:…

Lab Report: Pressure Temperature Volume

Discussion Questions- 1) Yes, the air did behave according to Bole’s Law, as the volume increases as the pressure of the gas decreases. This means that pressure and volume are inversely proportional. This is because as the volume of the gas increases, there is more space for the particles to roam, hence the collisions are…

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