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.

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.

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

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.

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 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.

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.

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

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.

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

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.

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

The BH4- anion acting as a nucleophile attacks the carbonyl carbon of Benzophenone due to the presence of a partially positive charge zone, which leads to the breaking of the double bond, electron density shift [...]

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

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 [...]

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.

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 [...]

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 [...]

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.

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 [...]

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.

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

Part of the crude product was recrystallized from ethanol and the remaining part was purified by column chromatography in the second week.

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.

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.

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.

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.

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 [...]

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

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 [...]

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: [...]

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.

Particularly the way Russian bride fits in the three phases of 'separation', 'transition' and 'incorporation' as suggested by anthropologists, is the best example how a Slavic life cycle event 'Marriage' depicts most of the major [...]

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 [...]

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.

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 [...]

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 [...]

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

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

In this case, the dogs can have the aspect of love in the same manner as human beings. However, the inner calm and satisfaction that are depicted by dogs are similar to that of humans.

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:

The geographic location is South Asia. India is regarded to be the seventh-largest country by geographical area, the second-most populous country.

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.

The metaphase is characteristic of an alignment of chromosomes in a line in the middle of the cells called equator. The paired chromatids separate at the point of centromere during anaphase and move to the [...]

Flocking comes from the word "flock" described as a group of birds conducting flocking behavior in flight or when foraging. One principal advantage of flocking is the safety gained in numbers and another is increased [...]

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.

While the world believes that nanobiotechnology is likely to shape future technology, it is important to consider both sides of the technology and have an analysis of its pros and cons.

There is a likelihood that the rate of growth in the presence of the laundry detergent pollutant would be slower than the rate of growth in the absence of the pollutant.

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.

The Killer Whale, also known as the Orcinus orca, is a large black and white mammal with distinctive white patches around the eyes and a white patch on the underside of its body. The baby [...]

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.

Acetone is the simplest form of the ketones. Acetone is very crucial in the field of organic chemistry.

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 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.

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

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.

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 [...]

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 [...]

Everest and its summit became known to the western world in the beginning of the twentieth century. Thus, Hall and Fischer overestimated their abilities and this led to the tragedy.

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 [...]

The hypothesis also presupposes that the people from Europe were the constructors of the first settlements in the American territories. The hypothesis suggests that the Clovis culture spread from the north to the south of [...]

The pulmonary valve is between the right ventricle and the pulmonary artery, and the aortic valve is between the left ventricle and the aorta.

The osmolarity of various solutions was also evaluated by noting the changes in weight of potato cylinders in the solutions. The movement of carmine particles in the water was random.

The process of photosynthesis and fermentation was the main focus of the practical exercise. The role of the fermentation process to provide energy for the yeast cells is shown in this experiment.

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 [...]

In short, Mohenjo-Daro's sophisticated urban planning system is a testament to the advanced level of urban planning, governance, and administration of the Indus Valley Civilization.

The title outlines the purpose of a map, and it is the first thing that a reader has to see. The north arrow helps to determine the positioning of the map and establish a link [...]

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.

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.

To this effect it can be seen as illustrated in figure 2-7 that most of the Russian administrative units are concentrated in these regions to serve the high population.

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 [...]

Although 16S rRNA and 18S rRNA are located in the cytoplasm, the differences in the systems exist because 16S rRNA is in the prokaryotic ribosome and 18S rRNA is in the eukaryotic ribosome.

As Atlas contemplates the existing monuments of the 20th-21st centuries, he writes about the great nations of the past, such as the Roman Empire, that never thought it would collapse in the way it did.

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.

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 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 [...]

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.

In light of this brief background, the discovery of Pompeii as an archaeological site was thus a rediscovery of the ancient town of Pompeii.

The aim of this experiment was to determine the impact of various types of soil as well as the effect of an energy drink on plant growth. The growth of the plants was measured as [...]

Mitochondria-associated membrane, a specialized sub-group of the ER has specific lipid and protein composition and is involved in cross-communication with mitochondria.

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 [...]

It touches on plant cell DNA extraction, animal cell DNA extraction, sequence used in DNA extraction and composition of the sample.

The naturalist of the time believed that everything in the world had a key role in the economic of nature and the credit was given to an intelligent creator.

This section looks into the case of the Northern Afghanistan nomadic pastoralists and the kind of animal they keep coupled with why they choose to remain nomadic pastoralists.

During the de-waxing process, the solvent is subjected to a mixture of the waxy oil. Evaporators The evaporator is used in recovery of the solvent from the de-waxed oil and wax.

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.

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.

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.

The reactants of the respiration are glucose circulating in the blood and oxygen obtained from breathing, while the product is ATP.

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.

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

The basic premises of cell theory include that the basic unit of structure in all living organisms is the cell. The other premise in cell theory is that the functionality of an organism is a [...]

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.

In this experiment, "the main objective was to study the effects of salt concentration on the rate of germination in mung beans".

Fossil records reveal a wide study of the evolution of the horse. This paper examines the evolutionary trend of the horse.

Given the significance of the agricultural sector to the economy, the government introduced the 11th five-year plan to provide support and incentives to farmers and other stakeholders in order to enhance production of food.

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 [...]

Agriculture advocacy and anti-agriculture groups' perspectives on technology and innovation are critical distinctions between activist groups that oppose agriculture and those that support it.

Many of the country's customs and practices, such as the traditional Turkish greeting and the importance of hospitality, have their roots in the Ottoman period.

The white-tailed deer can be found in Canada and most of the United States, excluding Hawaii, Alaska, and the Southwest. A coyote is another predator of the white-tailed deer, but dogs and humans are the [...]

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 [...]

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.

Depending on the strength of the ocean current, sea animals along the path are flown along with the water, and the animals are moved to new regions that are sometimes thousands of kilometers away causing [...]

The rate of migration relies on the strength of the chemical interactions between the analyte and the mobile phase as well as the interactions between the analyte and the stationary phase.

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

A psychophysical hypothesis, known as the theory of Signal Detectability uses a blend of statistical choice theory together with the idea of perfect observer modeling the sensitivity of the observer to events that are in [...]

She goes on to describe the way that the ova is represented as passive and waiting for the active sperm to penetrate; drawing on more recent research which shows that the sperm's force is not [...]

Regardless of the fact that protection dogs are animals that can hurt people, they are loving and supportive family members that provide their owners with a wide range of benefits.

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.

For example, in a patrilineal descent, the descent group is composed of both the females and males sired by a father belonging to the patriarchal affiliation.

The applied biology objective is to use the knowledge from basic science to solve potential problems affecting quality health, and an example is the Human Genome Project.

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 territory of Argentina is mainly composed of flat plains and plateaus; there are small areas of foothills, highlands, and canyons adjacent to the Andean zone.

Pulmonary circulation involves the transfer of deoxygenated blood from the heart to the lungs and then the movement of oxygenated blood from the lungs back to the heart. Coronary circulation is responsible for replenishing the [...]

The ability of camels to digest a lot of roughage is due to the existence of micro-flora. Roughage is the main source of diet for camels.

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

With the need to increase the global economy, the field of agriculture is one among the many that have been used to improve the commercial production to take care of the global needs for food [...]