Natural Sciences Essay Examples and Topics

His book titled "Omnivore's Dilemma: A Natural History of Four Meals" discusses several aspects of nature and focuses specifically on grass and what it is for animals and different people.

In spite of the perceived benefits of genetic engineering technology in the agricultural sector, the production and use of genetically modified foods has triggered a number of issues pertaining to safety and consequences of consumption.

In my opinion that debate is of the greatest importance and my hope is that these six lectures may have contributed to it.

It is believed that the increase in the demand for food due to the increase in global population and change in dietary habit of the population.

These resources are easily exploited because of the availability of facilities and labor in the cities, which leads to economic development and improvement of living standards of the city dwellers.

This experiment aimed at establishing the activation energy for the reaction between oxalic acid and potassium permanganate by first determining the rate equation for the reaction.

The Aryans society established the beginning of the modern Hinduism. The rule of the dynasty was indubitable in the 16th and 17th centuries.

The chemical process in this experiment entails reacting salicylic acid and methanol in presence of concentrated sulfuric acid, which catalyzes the reaction, and under reflux conditions to form methyl salicylate and water.

The method of initial rates was employed in the determination of the order and rate law for the reaction. The power to which the concentrations of reactants are raised in a rate law is referred [...]

This experiment aimed at establishing the concentration of iodine with time by quantifying the absorbance of the reacting solution at a wavelength of 410 nanometers and finally determining the initial velocity of the reaction.

However, it is unknown whether bacteria are perfectly 'ubiquitous' and whether available techniques could address the issues related to contamination, maintenance of cultures, and growth of desirous bacteria. A total of three bacteria were included [...]

The following are some of the reasons that make animals matter to human beings. The other significance of animals to human beings is that they are a source of food.

Throughout my life, I have liked the way my mother treated us as a family, and I terribly longed to marry a spouse with qualities that resembled those of my mother.

Climate- Ethiopia has three main climatic zones that include a cool zone stretching from the central parts of the Western and Eastern regions of the high plateau and the section around Harar. The best [...]

GDP of London The GDP of London is currently on the rise. London has some of the best hotels in the world.

The color change depends on the relative acid strength of the conjugate acid form of the indicator. Based on the equation above, the acid strength is calculated as:

This point was the basic idea for performing this study, in which acetylsalicylic acid, which is the main component of analgesics, was actively hydrolyzed to salicylic acid: the reaction is shown in Figure 1.

In comparison, the percent germination of mung beans soaked in acidified water was zero and the germination rate was zero because none of the seeds germinated during the period of the experiment.

Therefore, the moles of the limiting reagent is 0. 025, and the mole of the product is 0.025.

According to Kotz and Treichel, the solubility of various substances increases with increases in the temperatures of their surroundings, although this is not always the case.

Table 1 contains the data of direct measurements and indirect calculations for p-nitroacetanilide as a product of the EAS reaction of acetanilide. Then the theoretical mass of p-nitroacetanilide could be obtained by the following calculations: [...]

At the early growth stages of the plant, the nodes distance is very small and the stem remains at the base of the plant.

The Net Migration Pattern The pattern of migration in relation to the hinterland and heartland was dictated by the socioeconomic opportunities at the place of destination and the flow of migrants was from the hinterlands [...]

The story highlights the attitude of the particular national society of Bushmen to the arrogance and social inequality in the modern world.

The expectation of the experiment was a steady rise in the rate of reaction with an increase in the temperature during the experiment.

The fact that almost everybody in the village ignored the ethnographer and his wife would be a major setback in their mission to study the cockfight activities in the small Balinese village.

However, plants are scarce in deserts due to the lack of water, and the diversity of desert flora cannot be compared with a wide range of plants growing in rainforests.

Over the next three millennia, Egypt would see the rise and fall of several civilizations, including the Old Kingdom, the Middle Kingdom, and the New Kingdom.

The capital city of the country is Ankara, and in fact, the greater part of Turkey is in Asia; however, politically, modern Turkey believes itself to be a committed European nation, and therefore it applied [...]

Following the procedure in the production of acetone, the several materials emerge during and after the production. The production of acetone In the feed drum: A feed is a tank like object used in the [...]

The main difference between acidic and basic solutions is the concentration of hydrogens ions: for the former, it is higher than that of pure water, and for the latter, it is lower.

One of the main differences between aerobic and anaerobic respiration is that in anaerobic respiration, there is only a partial breakdown of sugar.

Salicylic acid is administered in the form of tablets, a less irritating method, unlike in the early days where it was administered in the form of leaves.

Even today the wild onions grow in Central Asia that is said to be the place of origin of the entire family of onions.

The evolution and advancement of technology have influenced the methods of how people grow and consume food. The changes that people have made to nature are very traceable and their inability to predict the outcome [...]

5 ml of KMnO4 were added to the second test tube, which was the color standard for the purple permanganate ion.

The concentration of the chemical reactants also affects the rate of reaction by altering the number of reacting molecules. This increases the rate of collision and hence the rate of reaction.

This tribe is called the Luhya tribe and is one of the 42 tribes of the Republic of Kenya. This is because a clan might actually size to exist due to the death of a [...]

In the recent past physical features have been misused thus leading to environmental changes which has caused negative effects on human health and the development of the human society.

In both sets of experiments, all three sets of seeds in each experiment were subjected to three variant pH value conditions while the other germinating conditions were maintained at optimal levels.

This makes organic chemistry to have a very important role of describing the reaction of the carbon compounds. The aim of the experiment was to identify the functional group of the two unknown organic compounds.

This type of economy is also characterized by "flexible work arrangement" Culture: Global cities are multicultural, owing to among other factors, deregulation and privatization of economies that has attracted foreign workers and traders setting in [...]

The purpose of the experiment was to examine the expansion of a perfect gas by determining the specific heat ratio through an adiabatic process and the ratio of volume using an isothermal process.

This paper focuses on the application of chemistry in life as well as some of the hazards that it has presented to life.

The implication is that people are likely to fear for their safety in Italy because the probability of losing belongings and even life to the robbers are high.

Based on the impact of seed size on the light requirement for germination, it was hypothesized that pea seeds would germinate well in the absence of sunlight than in the presence of sunlight.

Another major benefit of home grown fruits and vegetables happens to be the financial savings that result due to this; this is more the case if the home garden is planned to be for a [...]

A tour to the firm and fields of agriculture exposed the students to the nursery practices that are crucial in crop production.

They are the most famous and trendiest fruits in the planet. Strawberries are also used as ingredients in strawberry tiramisu which substitutes the coffee flavor for tasty and colorful strawberry effect.

The method of initial rates was employed in the determination of the order and rate law for the reaction. The rate of the reaction and the rate law expression for the reaction were then established [...]

Since the establishment of the idea of public parks by Frederick Law Olmsted over 100 years ago, the role of parks in modern cities becomes more and more significant.

This report aims at revealing the essentials of the Umm al-Nar site along with its significance in the framework of cultural heritage and tourism to understand the role of this geoarchaeological complex in nowadays national [...]

Geography is the study of the earth and the natural features that characterize it. The revolution was related in some way, to the methods in which the researchers studied the earth and the processes occurring [...]

Hurricanes might not really be the main storms on the earth, but their mixture of size and strength make them fatal and the most disparaging storms on earth.'The eye of the hurricane' is a round [...]

Nevertheless, they can also do it in winter, going to the playing-field. On the other hand, it is impossible to make a snowman in summer.

In the experiment, salicylic acid reacts with methanol in the presence of concentrated sulfuric acids to produce methyl salicylate and water as the only products.

The Akan people believe that the family is the most important unit of the society. It is important to note that the Akan people honor their ancestors and are proud of their roots.

The aim of the experiment was to isolate acetylsalicylic acid, acetanilide, and sucrose fractions from Phensuprin based on their acid-base solubility differences. Acetylsalicylic Acid or Aspirin Its synthesis involves treating salicylic acid with acetic anhydride [...]

Bomb Calorimetry is one of the methods to calculate the standard heat of the reaction of various chemical processes. One of the ways of its application is the determination of the standard heat of organic [...]

The central purpose of this experiment is to study the primary salt effect in the oxidation reaction of iodide ions to iodine during sodium thiosulfate titration with appearance of salt KNO3 All steps of the [...]

To explore the base-catalyzed aldol condensation between 3, 4-dimethoxybenzaldehyde, and 1-indanone under solvent-free conditions; To purify the product through recrystallization; To evaluate the melting point of the product.

The other important information for the pavement industry with regards to location is that the region lies in a longitude range of 56 to 25 degrees north and in a latitude range of 22 to [...]

In analytical chemistry, there are several techniques for determining the formula of a complex compound, but in this laboratory work, the emphasis was on the applicability of Beer's law, recognizing the fact that when a [...]

India is the largest producer of lemon producing about 16% of the total lemon and lemon products in the world. The Bush lemon tree is a natural and wild lemon.

In this experiment, information was collected regarding the mass of the calorimeter and bowl, the mass of the empty calorimeter, the water, and the contents: all raw data are shown in Table 1.

The objective of this experiment is to determine the amounts of the component parts of hydrated copper Sulfate. The third procedure is the scrutiny of sulfate ion in a sample of copper sulfate.

In this view, retinol is unstable at room temperature and in the presence of air. Metabolism of retinyl esters and carotenoids produces retinol, which is an active molecule in the body.

I would favor living in a country that is ranked as one of the most beautiful places in the world, where the economy ranks among the topmost in the world in per capita, where very [...]

The most commendable among the benefits of marine life to human life are the fact that marine life can act as food and the fact that some oceanic organisms have medicinal value.

The first objective of the experiment is to elucidate the formation of a ketone from alcohol through the process of pinacol rearrangement in the presence of concentrated sulfuric acid, heat, and boiling chips.

9g of potassium nitrate was added to the water, and the test tube was shaken until all the salt was submerged in the water.

The pH of a solution at the equivalence point depends upon the nature of the acid and the base being titrated.

It is crucial to agree that animal testing might be unethical phenomenon as argued by some groups; nonetheless, it should continue following its merits and contributions to the humankind in the realms of drug investigations [...]

It is important to note that though the problem of hunger is virtually everywhere in the world, most of the hunger stricken people are found in the developing countries.

The purpose of this paper is to compare Colombia and the USA through the length of the six cultural dimensions model proposed by Geert Hofstede and to examine the similarities and differences.

It contains either a weak acid and its conjugate base, or a weak base and its conjugate acid. The equation links the measured pH of a solution, hydrogen ions concentration, and the dissociation constant of [...]

The rate law demonstrates how the rate correlates with the concentrations of the components of the reaction. It is possible to note that "the power of the concentration in the rate law expression is called [...]

The results indicate that the moisture content of the tomato plants was about the same regardless of the number of fruits and the height of the plant.

It is therefore possible to use animals while testing the dangers and the toxicity of new drugs and by so doing; it is possible to protect human beings from the dangers that can emanate from [...]

You will examine some surfaces and note that while you cannot see individual bacteria because they are so tiny and clear, it is possible to see a colony, or group, of bacteria. Then, the bacteria [...]

In the first case, adding hydrochloric acid to the produced azo dye led to the change of the color from dark red to orange, and the reaction with sodium hydroxide resulted in the change from [...]

The TLC sheet was placed in a universal bottle containing solvent A with the line of origin nearest to the bottom but above the solvent. The positions of the solvent and each pigment molecule were [...]

According to Beaujon, some of the most common types of body piercing among the Mursi community are the ear and nose piercing.

The data obtained from the above experiment supports the hypothesis that if the cell is soaked in corn syrup, a hypertonic solution, then water will move out of the cell by osmosis, and the egg [...]

The volume of the mixture was made to 200 mL in a measuring cylinder. The concentration of the protein in the supernatant was determined using a biuret reagent.

It specifically determined the effect of change in the amount of succinate on the rate of cellular respiration. 1 ml of succinate, and tube 3 contained 0.

The fusion of the male and female gametes results in the formation and development of a sporophyte, which shifts to the diploid generation and the devolvement of spores.

The pinacol rearrangement constitutes the dehydration of pinacol and the stabilization of carbocation by the shift of methyl. The mechanism of the pinacol rearrangement commences with the protonation of one of the two OH groups.

This essay critically looks at the role of Bronislaw Malinowski in the development of British Social Anthropology and his influence in the contemporary ethnography.

The objective of the experiment is to demonstrate how substitution reactions of alcohol occur. Specifically, the experiment aims to demonstrate the formation of 1-bromobutane from 1-butanol through a nucleophilic substitution reaction.

For the farmers the benefit lies in the cost saving of the production transportation and in the ability of the wholesale with the large grocery companies.

The first ten droplets were collected in the first test tube at 80. As the temperature stabilized in the third test tube, 10 additional droplets were collected.

This resource discusses the economic outlook of Kenya: macroeconomic and financial developments, changes in economic growth, risks of investment, and projected growth.

In the early anaphase, I observed the centromeres being rotated to the cell poles and the ends of the chromosomes to the cell center.

This is food for the insects and we all agree that honey is sweet; but the question is, how is honey made? Making honey is a process that the bees seem to have mastered.

Butterflies and moths belong to the order Lepidoptera, which is the second largest in the class of Insecta. Chrysalis is the most critical stage of the lifecycle of a butterfly.

London plays a significant role as commercial capital of the UK, while Istanbul is regarded as a cultural capital of Turkey mainly for its importance in maintaining the coexistence of different traditions, and its rich [...]

In general, luminescence is understood as the glow of substances not accompanied by heat production but initiated by the absorption of photons.

For the chemical and metallurgical industry, a thorough study of the properties of the materials used and the application of reference data for analysis and possible prediction of the results of a practical application is [...]

The dark skin color is predominant in the southern hemisphere of the globe while the light skin color is common in the northern hemisphere.

It releases the claw by contracting the muscles in its rear feet and causing the claw to appear by piercing the frog's skin.

He schooled in Turin and having come from a family background of lawyers, his career was oriented towards law whereby at the age of 16 years he had already become a bachelor of jurisprudence and [...]

Seeing that agriculture shapes the society and defines the course of its further development, promoting the ideas of environmentalism and sustainability, it will be reasonable to assume that agriculture belongs to the domain of cultures.

It could be said that vanilla was used as a ritual drink component, which has to be consumed by the leader of the tribe.

This variability is apparent in the morphology of starch granules regarding size and shape, the amount of amylose, the structure of amylopectin concerning the length of chains, and the position of branching.

The characteristic of the principles of organization of the New York Botanical Garden should be started from the statement of its mission which is expressed as "being an advocate for the plant kingdom".

This paper is therefore an in-depth analysis of the extraction of lubricating oils by looking at the methods of extraction, description of processes, purpose of extraction and new developments in lubricating oil extraction with emphasis [...]

The park has an animal orphanage where young animals left behind by their parents are kept: life at the park is survival for the fittest and if, for instance, a zebra is ambushed by a [...]

Hence, the human-environment interaction in Singapore is rather neutral, as people tend to both destroy and preserve some of the resources.

The objective of this experiment was to synthesize methyl salicylate from salicylic acid and methanol using sulfuric acid as a catalyst.

Some of the chemical processes used in the bottom-up approach include sol-gel process, the reaction of molecules in a flask, reverse microemulsion and flame synthesis, which have been used to make silica nanoparticles, nanozeolite, nanocatalysts [...]

The percentage yield of acetanilide is the mass of acetanilide recovered, divided by the theoretical mass of acetanilide multiplied by 100.

This report explores the anatomy and physiology of the nervous system of a rat. Therefore, the physiology and anatomy of the nervous systems of rats and that of humans are considerably similar.

The length of roots in a germinating seed is reduced by the acidic conditions, which, in its turn, affects the rate of germination of seeds.

The starting reactants are the light of the sun, carbon dioxide, and water. Both processes are required to support the being of plants and animals.

The area covered by Canada is the largest country in the world after Russia and has the largest coastline. The Shield and the Rocky Mountains in the North have discouraged settlement in the area because [...]

The Crown is found inside the stadium as a distant remembrance of the efforts of the Emperor, which led to the expansion of Ethiopian territories, recognition, and formation of a more robust government.

The second objective was to confirm that the rate of the reaction is directly proportional to the concentration of the tert-Butyl Chloride if the temperature is kept constant.

These pathways are responsible for the breakdown of essential nutrients into Adenosine Triphosphate and other molecules necessary for the release of energy into the body.

The study aims to hypothesize the evolutionary relationship between the relative length of the beaks and the sizes of seeds that finches eat.