In this section you’ll find free example science essays to inspire your own work. One of our biggest essay categories, our science section includes essays on physics, chemistry, botany, biology, palaeontology, genetics, geology and more. Find more science essays here. We also have a separate section for zoology essays.
Introduction 1.1 Background HAZOP stands for Hazards and Operability Study and it is an important systematic examination of an existing operation to identify and eliminate potential health and safety hazards in the workplace. In this study, our team will be examining the batch reaction between ammonia and phosphoric acid, which produces Di-Ammonium Phosphate (DAP). The … Read more
Introduction In this experiment I produced chlorine by using electrolysis. Electrolysis is chemical decomposition produced by passing an electric current through a liquid or solution containing ions. It was discovered by an English scientist named Michael Faraday in 1834. We all know that water is made up of 2 positive hydrogen atoms and 1negative oxygen … Read more
Galls arise as the result of an inter-specific association between a host plant and an insect’ (Rohfritsch 1992). ‘Gall morphology is influenced by two genotypes: that of the insect, which provide the stimulus, and that of the plant, which determines the growth response. Gall inducers are distinctive in that they actively manipulate the host plant … Read more
The global energy demand is increasing rapidly in recent years. On the other hand the fossil fuel reserves are slowing down. The energy supply is one of the major challenges facing the world now and in the future. Furthermore, effects of global warming cannot be neglected anymore. Alternative energy sources such as biogas production should … Read more
Abstract Biosynthesis of secondary metabolites in medicinal plants is involved by many genes. HMGR is a key gene in the pathway of Mevalonic acid. This gene causes the conversion of 3-hydroxy-3-methylglutaryl coenzyme A to the Mevalonic acid that is the essential component of this route. At the beginning, a review of similar sequences was prepared … Read more
The importance of ethnobiological studies has been rec- ognized, especially among conservation biologists, only in the last 20 years, primarily due to increased appreciation of the strong human influence on biodiversity (see [5,7,8]). Ethnobiological studies are currently being conducted not only by anthropologists (who were pioneers in the area) but also by researchers in other … Read more
Many researchers have done studies on boundary layer and heat transfer over different types of surfaces. One of the famous researchers is Afzal [1]. In Afzal [1] study, he has investigated about the heat transfer from a stretching surface. In his study, it is said that the heat transfer from a stretching surface is one … Read more
Biosensing has been one of the hottest topic attracting scientific minds since long. It is due to complex biological entities and are directly associated with the existence of a healthy environment. The design of biosensors also has gone through significant changes in the recent past. Biosensors are used for food quality estimation, environmental monitoring, and … Read more
Introduction Biomineralization is the formation of biominerals, which are ‘elements or compounds, amorphous or crystalline, formed through biogeochemical processes’ (Skinner, 2005) by a life form. These life forms range from the Archae, bacteria, eukaryotes, up to and including, vertebrates and plants (Skinner, 2005). Biomineralization involves the selective extraction and uptake of elements from the local … Read more
The purpose of this lab is to observe the changes in a chemical reaction and how factors affect the system like increase concentrations, temperature, pressure or common ions affect the outcome of the overall reaction and its equilibrium. The Le Chatelier’s Principle is used often in order to determine the direction of a reaction, like … Read more
Science has developed a lot since the invention of fire by the ancient cavemen. Now a days we use various types of high-tech instruments for the precision of our scientific experiments. Gas Chromatography (GC) is one of the most common procedures used in analytical chemistry. It helps us analyze compounds through evaporation. One of the … Read more
Drosophila melanogaster is a model organism used in genetics and various research in cellular and molecular biology for many years. This organism is known for its short life cycle, small size, genetic variability, and its in-expensive trait to be studied in the laboratories. Thomas Morgan, an American geneticist is heavily credited for his work in … Read more
The revolutionary breakthrough in molecular diagnostics have greatly affected the health care industry, in terms of specificity and sensitivity in diagnosing and monitoring infectious diseases by DNA sequencing and amplification methods. DNA sequencing methods are gravely helpful in detecting mutations (genetic shifts and drifts) of viruses, because they change their genetic code so easily causing … Read more
Amidst the numerous methods reported to grow or fabricate monolayer MoS2, some of them have been very successful attempts. With reference to our aim to implement a controllable growth method, focus was on the bottom-up approaches, leaving aside the top-down approaches like lithium intercalation assisted exfoliation and mechanical exfoliation which exercise minimal control on the … Read more
In order for atoms to gain a full shell of electrons, chemical bonding needs to occur by either gaining or losing electrons. Ionic, Covalent and Intermolecular bonds are the different types of atomic bonding (Hunt, A., 2000). The process of ionic bonding occurs with both metals and non-metals (Ritchie, 1998, pp. 19 ‘ 25). The … Read more
