Lab Report Samples

Lab Report Essay

1. Objective and introduction * Objectives Operate the CNC milling machine using G-codes, M-codes in a CNC program. * Equipment: Minitech CNC machine (Series 2) * Machine introduction Most CNC milling machines are computer controlled vertical mills with the ability to move the spindle vertically along the Z-axis. This extra degree of freedom permits their …

Enzyme Lab Report Essay

Abstract: An enzyme is a protein that serves as a biological catalyst (Denniston, 2007). Metabolic reactions happen with in cells. Enzymes are proteins that are used to speed up these reactions without being consumed by them (Mader, 2010). Catalase is a catalyst that digests potent hydrogen peroxide and converts it into H2O and O (Campbell …

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Lab Report on Solubility Essay

The analyses of mixture were to distinguish and identify homogeneous mixture by using the techniques of decantation and sublimation. By performing these techniques, we examined our solutions such as SiO2 (sand), NH4Cl (ammonium chloride), and NaCl (sodium chloride) and mixed H2O (water) with each solution after being heated. After examining our solutions, we made calculations …

Density Lab Report Essay

Introduction: Density is defined by its mass per unit volume, and is most often written in mathematical terms as; d = m / v Mass is usually given in grams, g, and volume is given in cubic centimeters, g/cm3, or, grams per milliliter, g/mL. Density is not a property that depends upon the amount of …

Attention lab report Essay

1) At the start of the trial, vision is focused on the crosshair and attention would be evenly distributed on the boxes.  One also needs to determine if the lines appear to be moving to the left or right so attention is also directed to the lines. 2) Initially, attention is focused on the crosshair.  …

Climate Change Lab Report Essay

I. Introduction a. In this lab, the question being investigated is, “Has climate changed over time?” b. The hypothesis is, “If CO2 levels affect climate, then the climate has changed overtime because of the increased greenhouse effect caused by higher levels of CO2 emissions.” c. Variables: 1. Independent Variable: Amount of CO2 2. Dependent Variable: …

Lab Report Essay

Title: Experiment 1: Microscopy of Living Microbes Purpose: To prepare students to familiarize themselves with the lab equipment such as the microscope, square glass, cover slips, etc.; to facilitate students to observe the pond water; and enable them to discern and identify the microbes as bacteria, algae, fungi, or protozoa within the pond water. Additionally, …

Potato Osmosis Lab Report Essay

Abstract: In this experiment was designed to study the effect of a concentrated solution applied to white and sweet potatoes. The solution’s impact among the potatoes were to be either hypertonic, hypotonic, or isotonic. The potatoes were first cut into fries with a fry cutter, and then weighed after being cut. The white and sweet …

IB Bio lab report on photosynthesis Essay

The effect of different coloured lights on the rate of Photosynthesis Objective: To find out which colour of light provides the best consequences for the production of oxygen/ the rate of photosynthesis Background: In photosynthesis, there are two main parts, including light dependent and light-independent reactions. Plants use the energy from light for producing sugar, …

Daphnia Heart rate – Lab Report Essay

Introduction: Caffeine is a stimulant which is derived from leaves, flowers and seeds of plants. The plant uses the caffeine as a way to repel insects as it is used as a natural pesticide by paralyzing and killing certain insects. It is used as a stimulant to human the central nervous system by increasing the …

Vitruvian Man Lab Report Essay

Research Question: Do we have the ideal proportion? The length of the outspread arms is equal to the height of a man The distance from the elbow to the tip of the hand is a quarter of the height of the man The maximum width of the shoulders is a quarter of the height of …

Lab Report: The Simple Pendulum Essay

Gain insight on how scientists come to understand natural phenomena through theoretical and experimental data by determining the Period of a Simple Pendulum. This experiment will introduce us to the processes of data collection and the procedures used for data /error analysis. Theory: A Period of motion is a physical quantity associated with any cyclical …

Conservation of Momentum Lab Report Essay

Objectives We will study the relationship of force and the duration of the collision. In doing so we will observe the max force experienced by an accelerating cart when it impacts another cart with a spring. A stiff spring will be used. We will collect the information through two items. We will use distance and …

Lab Report: Extraction of Caffeine from Tea Bags Essay

The purpose of this experiment was to perform a liquid-liquid extraction method to extract the caffeine from the tea bags that were provided, and then recrystallize the caffeine. The solvents used in the experiment were an aqueous sodium carbonate and dichloromethane (DCM). Anhydrous calcium chloride pellets were used to dry the solution and emulsion layer …

Osmosis and diffusion lab report Essay

Introduction: The purpose of experiment 1 was to demonstrate the principle of simple diffusion and understand how to make % solutions. Exercise 2 demonstrated the principle of osmosis: observing the movement of water by osmosis from an area of lower concentration of a solute to an area of higher concentration of a solute. Materials and …

Biology lab report diffusion Essay

Affects of Osmosis and Diffusion Introduction: Perfume spreads in a room, hands bloat when left in water for too long (shriveling is a common misconception), a tea bag’s contents diffuse through the water. These are all examples of diffusion and osmosis. These phenomena happen everyday and people don’t realize what is actually happening. The purpose …

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