Science Essays

Introduction The cells of beetroot contain a pigment called betalain in their vacuoles. It is kept inside the cells by the membranes. If these membranes are damaged, then the betalain leaks out. The amount that leaks out can be assessed, as the leaked out pigment will color the water surrounding …

Every now and then my parents keep on telling me that my education should be in the number one slot in my list of priorities. They keep on telling me that I should put a great deal on finishing my studies. They say (like every parents say), it is the …

This experiment investigated the amount of DNA extracted from strawberries. This was done by using the independent variable of alcohol to affect the dependant variable of the amount of DNA extracted. This was done to find out if primary or secondary alcohol would create more DNA precipitate than the other. …

The yield of a metal from a particular mineral or ore is the mass of metal that can be obtained from a particular mass of the mineral or ore, and is often expressed as a percentage. It is possible to use formulae to calculate/predict yields of metals from particular minerals …

I. Introduction In this experiment, the zinc and nickel contents of unknowns were tested using two methods. In the first method, nickel and zinc were separated through ion-exchange chromatography and analyzed through chelometric titration. In the second method, the unknown was analyzed through the atomic absorption spectroscopy (AAS) of the …

The world is filled with uncertainties. Consumer prices, economic fluctuations, political candidate popularity, water quality, portfolio investment management, and everyday decisions, among others, are often ambiguous, unclear, and indeterminate. Statisticians help individuals resolve the vagueness of life by developing characterizations and drawing conclusions surrounding these questions (American Statistical Association [ASA], …

A dehydration reaction of an alcohol results in an alkene. This type of reaction requires an alcohol, an acid catalyst and heat. Generally strong concentrated acids, like sulfuric acid and phosphoric acid, are used as the acid catalyst.The acid catalyst protonates the alcohol, to make a much better leaving group. …

William J. Bennett, a great spokesman for American conservatives, has powerfully argued as the title indicates in his article “Against Gay Marriage.” One does not have to agree with Bennett to appreciate the strength and goodness of his mind. Still, although he raises serious objections to same-sex marriage, his argument …

The topic being studied at the moment is Other Living Things. Although some themes in art are not exotic, this doesn’t mean they don’t have the power to inspire. Objects that can inspire an artistic ‘explosion’ can include pets, animals, fruits, flowers, birds, insects, fish and imaginary beings. The art …

Today, computer has become an indispensable tool. For any job, computer knowledge has become a pre-requisite. Indeed, computer is a blessing. However, its misuse can lead to it being a menace. Nowadays, computer is the biggest means of communication. You can talk to your relatives and friends as if they …