Natural Sciences Essay Examples and Topics. Page 2

2,230 samples

Doreen Massey’s Concept of a Global Sense of Place

The main question revolves around the influence of the sense of place founded on the reasoning that there is global in the local coupled with how it can assist local societies to introduce mutual programmes [...]
  • Subjects: Geography
  • Pages: 8
  • Words: 2265

The Farmers’ Market Analysis

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.
  • 5
  • Subjects: Agriculture
  • Pages: 3
  • Words: 837

Lubricating Oil Extraction Methods

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 [...]
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2147

Buffer Solution and Determination Changes in pH

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 [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 983

The Strait of Hormuz Choke Point

The oil that goes through the Strait of Hormuz Choke Point in ships is transported to countries like India, and China. The Strait of Hormuz Choke Point is well known for its participation in oil [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 601

Geography, its Evolution and Future

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 [...]
  • Subjects: Geography
  • Pages: 8
  • Words: 1653

The Function and Structures of the Human Heart

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 [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 488

Adaptation and Natural Selection

Similar to the way letters of the alphabet are organized in a sequence to form words and sentences, these bases combine in a certain way to pass traits to the next generation.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1119

Description of Mitosis and Meiosis

Mitosis is a type of cell division in which a single parent cell divides to produce two daughter cells that are genetically identical to each other and to the parent cells that divided to form [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 828

Study of Earth Systems

Again, in the hydrological cycle, evaporation from the hydrosphere and evaporation through transpiration from the biosphere in the lithosphere leads to the formation of clouds that return to the lithosphere through precipitation The synergies created [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 616

Seed Germination Experiment: Results and Discussion

The results indicated that the number of germinated seeds differed according to the concentration of solutions. 0625M CaCl2 germinated quickly on the second day and attained the mean of about 10 germinated seeds on [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 967

Effect of pH on Protein Solubility

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.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 660

The Digestive System in the Human Body

The stomach is an organ of digestion located between the esophagus and the duodenum on the left upper part of the abdominal cavity. The large intestines of the human body are located between the ileocecal [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 613

“Dancing Skeletons: Life and Death in West Africa”

The conflict is expressed in how the author describes her culture shock when introduced to the native women's way of treating children or the procedure of female genital mutilation, for that matter.
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1129

Accessibility to Safe Drinking Water

The first is to dig wells in the rural and arid areas to aid the people to have access to water. The other alternative is to treat water and use it in the home.
  • Subjects: Agriculture
  • Pages: 2
  • Words: 551

Biology Lab Report: Biodiversity Study of Lichens

As a consequence of these results, the variety of foods found in forest flora that include lichens may be linked to varying optimum conditions for establishment and development.
  • Subjects: Biology
  • Pages: 1
  • Words: 446

Formula of a Complex With the Slope-Ratio Method

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 [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 988

Methyl Salicylate: Carboxylic Acids and Esters

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.
  • Subjects: Chemistry
  • Pages: 10
  • Words: 2741

Interrelationship of Metabolic Pathways

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.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1417

Plastic Impact on Humans and Planet

Plastic is any organic material that when heated and pressure applied, it can expand and after it has been cooled it retains that shape it had been subjected to.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1079

Eukaryotic and Prokaryotic Cells: Key Differences

Furthermore, upon the analysis of the differences between eukaryotic and prokaryotic cells, one can develop a proper understanding of the environment that is required for the correct functioning of eukaryotic and prokaryotic cells.
  • Subjects: Biology
  • Pages: 3
  • Words: 848

Farmer Definition and Culture

The era of information the has led, to the creation of the particular image of success, and mass media created an image of a successful and stylish businessman.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1673

Ethnography Reflection

In the book 'Mad Dogs, Englishmen, and the Errant Anthropologist ', Douglas Raybeck the ethnographer had to learn the culture of the society. The evidence of the ethnographer's impact on the communities is in the [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1710

A Lab Report for Microbiology Class

The main advantage of this microbiological method is the different concentrations of nutrients and oxygen at different levels of the depth of the beaker: this allows bacteria with different aerotolerant needs to grow.
  • Subjects: Biology
  • Pages: 2
  • Words: 576

How the Ocean Current Affect Animals’ Life in the Sea

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 [...]
  • Subjects: Zoology
  • Pages: 3
  • Words: 771

Dugesia, a Planarian With Its Peculiar Characteristics

About 70 species of Dugesia are already known, and its phylogeny is identified due to its diagnostic characters but not due to its apomorphies which are usually used in the analysis of other types of [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 3207

The Effect of Acid on Enzyme Activity

The addition of hydrochloric acid to the liver in beaker B lowered the pH for catalase. In beaker A, distilled water provided a neutral pH that was essential for the activity of catalase.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 621

Weddings in the Slavic Folklore

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 [...]
  • Subjects: Anthropology
  • Pages: 11
  • Words: 2935

The Insect Effect on Human Life

The number of insects in the world exceeds the number of all the other species taken together. This way, the reduction of the number of pollinating insects will lead to the decline of productivity of [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 571

Food Security Crisis Resolution

To ensure the situation does not run out of hand, the global body Food and Agricultural Organization has been at the forefront since time immemorial to cater for issues related to this basic human need. [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1761

Effects of Industrialized Agriculture

Finally, the corporations that are involved in the process of food production are responsible for the creation of new markets for consumption and the global trade of agricultural products.
  • Subjects: Agriculture
  • Pages: 5
  • Words: 1596

Norway’s Geography and Economy

Demographics The majority of the population is the Germanic people, accounting for more than 45% of the population. In terms of monetary value, Norway is among the wealthiest countries in the world.
  • 5
  • Subjects: Geography
  • Pages: 8
  • Words: 2263

Life of Polar Bears

The polar bear is a native of bear found within the Arctic Circle that encompass the Arctic Ocean at the North Pole and the adjacent land.
  • Subjects: Zoology
  • Pages: 3
  • Words: 834

Is Earthworm Beneficial or Harmful to Humans?

Regarding nature, earthworms are animals that directly affect the chemical and biological composition of the soil in which people grow plants, vegetables, and fruits.
  • Subjects: Biology
  • Pages: 1
  • Words: 283

Membrane Hands-on Laboratory Report

The egg cell was applied in the experiment because of its properties. The experiment was conducted as a kitchen science experiment.
  • Subjects: Biology
  • Pages: 4
  • Words: 1176

Concepts of the Life of a Lion

As research studies show, the lion takes the second position in the feline family in terms of weight and size, although it is the strongest animal in the family; hence, its nickname the "king of [...]
  • Subjects: Zoology
  • Pages: 5
  • Words: 1613

Marfan Syndrome in Genetic Counseling

The two generation hierarchies above and one generation hierarchy below the Anne's generation was pooled and presented in the chart as below: Firstly, the typical clinical symptoms attributed to MFS were sorted from the description [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1442

Materials Used for Ethanol Production

The use of corn in the production of ethanol has a number of drawbacks. This is attributed to the fact that the production of high amount of ethanol requires corn in large quantities.
  • Subjects: Chemistry
  • Pages: 10
  • Words: 2849

Border Collie Dog Breed Information

So long as the movement of the Border Collies and the sheep is calm and steady, they can look for the stock as they graze in the field.
  • 4.5
  • Subjects: Zoology
  • Pages: 3
  • Words: 915

Stem Cell Research

D, in the article I am Pro-Life and Oppose Embryonic Stem Cell Research, opposes stem cell research in particular embryonic stem cell research.
  • 5
  • Subjects: Genetics
  • Pages: 5
  • Words: 1780

Chromatography in the Determination of Amino Acids

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.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 837

The Effect of Acetone on Wheat Seed Germination

The experiment was carried out to study the effect of Acetone on the germination of wheat seeds. As a result, the study focused on the effect of acetone on the germination of wheat seeds.
  • Subjects: Biology
  • Pages: 6
  • Words: 1704

Heredity and the Different Types of Inheritance

The first of them would appear in the course of a child's development by inhibiting the action of the latter. It is possible that the child would inherit the dominant qualities of one of the [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 651

Seed Germination and Osmosis

In this experiment, "the main objective was to study the effects of salt concentration on the rate of germination in mung beans".
  • Subjects: Biology
  • Pages: 4
  • Words: 1127

Browning Reactions Explained

It is the reaction of free amino groups like amines, amino acids, peptides and proteins with reducing sugars in the presence of heat and during storage.
  • Subjects: Biology
  • Pages: 2
  • Words: 522

Charles Darwin: Evolution Theory

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.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1437

Mountains Characteristics

The smallest mountains are below one thousand kilometers, the medium mountains have a relative height of one or 2 kilometers and up to 3, and there are the highest mountains which are greater than 2 [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 357

Oxidation States of Manganese Ion

5 ml of KMnO4 were added to the second test tube, which was the color standard for the purple permanganate ion.
  • 1
  • Subjects: Chemistry
  • Pages: 3
  • Words: 826

The Botanical Garden Collection

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".
  • Subjects: Agriculture
  • Pages: 2
  • Words: 575

Portugal Country Profile

The president of the country, the assembly of the Republic, the government and the courts are all the sovereign bodies of the Republic.
  • 1
  • Subjects: Countries Studies
  • Pages: 15
  • Words: 4200

Good to Eat: Riddles of Food and Culture by Marvin Harris

Good to eat is a thought provoking and intellectual journey that the author takes, in terms of the different kinds of food habits adopted by various groups of people and the reasons behind such habits.
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1199

Five Themes of Geography Applied to Africa

To describe the human geography of Africa, the location and characteristics of settlements, as well as other factors such as economy, social structures, and culture, can be applied.
  • Subjects: Geography
  • Pages: 1
  • Words: 358

The Heat of Dissolution and Neutralization Reaction

The colorimetric method of analysis is used to determine the heat released during a chemical or physical process: the heat released in such reactions is transferred to the water by the change in temperature, of [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 1152

Sodium Chloride – Science of Salt

Sodium chloride is a very important compound and it has thousands of uses in real life, few of them are as follows: NaCl is a raw product that is commonly used in the production of [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 852

Eruption of Mount Saint Helen Volcano

Helens volcano, looking at its history, the explosion, the immediate consequences of the eruption, and the historic impact on the climate and human life.
  • Subjects: Archeology
  • Pages: 4
  • Words: 1245

Pompeii: A Popular Archaeological Site

In light of this brief background, the discovery of Pompeii as an archaeological site was thus a rediscovery of the ancient town of Pompeii.
  • Subjects: Archeology
  • Pages: 3
  • Words: 837

“The Egg and the Sperm” by Emily Martin Critique

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 [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 2577

Map Making History and Development

Globalization has made the world interconnected at a level that was unprecedented in the past resulting in people thinking of the world and the various countries and societies within it in a way that is [...]
  • Subjects: Geography
  • Pages: 10
  • Words: 2744

Methamphetamine (Meth)

In conclusion, meth is one of the most addictive drugs, with serious physiological and psychological complications hence, the need for individuals to watch their consumption habits.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 894

George Washington Carver’s Life, Honors, and Inventions

Born into slavery in 1864, he went on to become a renowned educator and innovator whose contributions were critical to the success of the agricultural industry in the United States, particularly in the Southern states.
  • Subjects: Agriculture
  • Pages: 2
  • Words: 597

The Characteristics and Importance of Nervous System

The nervous system is rightfully considered to be one of the most complicated and significant systems of the human body, which is responsible for the quality communication and interaction between the organs.
  • Subjects: Biology
  • Pages: 6
  • Words: 1705

Archaea and Bacteria Prokaryotes Dichotomous Keys

Most members of this phylum which are pathogenic to humans are obligate pathogens that are mostly intracellular. They are divided depending on the mode of respiration, fermentation rate, temperatures in which they thrive and shape.
  • Subjects: Biology
  • Pages: 2
  • Words: 327

Nucleophilic Substitution Reactions of Alcohols

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.
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2137

The Olmec and the Inca Civilizations Agriculture Practices

The aim of this paper is to compare the lifestyles and achievements of the Olmec and the Inca civilizations. The creation of the civilization was instigated by the fact that local alluvial soil was well [...]
  • Subjects: Agriculture
  • Pages: 10
  • Words: 2838

Lubricants Oil Production in Refineries

Despite being various categories of the lube oil as mentioned earlier in the project, mineral lube oil from petroleum is the commonly preferred lubricating oil to the synthetic lube oil.Fig.showing lubricating oil The history of [...]
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2245

Bangladesh Garment Industry

The reason for these situations is that the government and the industry focuses too much on the financial gain and the end result, without taking proper care of the people that make all the difference [...]
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1117

“Skull Wars” by Thomas Hurst

According to prologue of the book 'Skull Wars Kennewick Man, Archaeology, and the Battle for Native American Identity, the author of the prologue mentions the intention of the whites or Caucasians to ascertain themselves as [...]
  • Subjects: Archeology
  • Pages: 7
  • Words: 1867

Falling in Love as Part of Natural Selection

Further, the science of love exhibits to us that falling in love is in fact ingrained in our physiological makeup and as a natural component of our being, we cannot help to fall in love [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1085

Paris and Its Tourist Places

The city is the capital of France and is relatively small by the standards of most capital cities of the world.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 619

Organic Chemistry – Contributions and in Life

Despite many challenges imposed on the balancing of equations of pertaining reactions, in school my interest was drawn into the study of organic chemistry, which entailed a study of organic carbon compounds.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 586

Physiographic Regions of the European Continent

The four physiographic regions of the European continent are the divisions into which the physical landscape of the European continent is put. Most of the coalfields found on the continent are located in the central [...]
  • Subjects: Geography
  • Pages: 1
  • Words: 300

Achondroplasia Genetic Disorder: Pedigree

The pedigree problem is generally featured with the necessity to provide the correct connections among the family members in a genetic history chart.
  • Subjects: Genetics
  • Pages: 3
  • Words: 819

Dodo Bird and Why It Went Extinct

One of the extinct species of bird is the dodo bird. Its extinction has made it hard for scholars to classify the bird when it comes to taxonomy of birds.
  • Subjects: Zoology
  • Pages: 2
  • Words: 651

Psychophysics: Definition & Fundamentals

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 [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1606

Dairy Cattle’s Integumentary System

The purpose of this paper is to explain the physiological function of the integumentary system of dairy cattle and its impact on housing.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1406

Negotiating: Pandas in San Diego Zoo Case

It is not the possible revenues of the zoo that need to be mentioned, but rather the revenues that the counterparty will have, as well as the influence of pandas on the promotion of support [...]
  • Subjects: Zoology
  • Pages: 2
  • Words: 625

Role of Planning Professionals

The new guidelines have to follow the six steps of urban planning which include determining the objective of the urban plan, formulating the strategy, determining the number of inputs and outputs that will be used [...]
  • Subjects: Geography
  • Pages: 15
  • Words: 3996

The MEK lubricant and de-waxing method

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.
  • Subjects: Chemistry
  • Pages: 8
  • Words: 2144

Transpiration Process in Plants

Initially, the roots absorb water by the process of osmosis due to the variation in the concentration of the water level between the soil and roots.
  • 3.3
  • Subjects: Biology
  • Pages: 2
  • Words: 562

Basic and Applied Biology: Key Differences

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.
  • Subjects: Biology
  • Pages: 1
  • Words: 347

Cracking Naphtha to Produce Olefins

The purpose of the study was to establish the amount of olefin, gasoline and other crude oils that were to be produced in the exercise. To study the properties and applications of olefin and naphtha.
  • Subjects: Chemistry
  • Pages: 15
  • Words: 4124

Maps, Atlases and their Essential Components

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 [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 782

The UAE and Japan Comparison

The UAE is one of the most influential and prosperous countries in the world. Unfortunately, the innovation rate of the UAE is not considered to be one the best in the world as it occupies [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 675

Manila City and Its Modern-Day Development

This curtailed the development of several areas in and around Fort Bonifacio and led to the main economic centre of the Philippines being located in Makati instead of within the main region of Manila.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 865

“Why Evolution Is True?” by Jerry A. Coyne

The reader is able to use this vivid substantiation of claims to understand the author's need to introduce the aspect of God who is at the center of these natural happenings.
  • Subjects: Evolution of Humans
  • Pages: 10
  • Words: 2858

Introduction to the Nervous System

The PNS consists of the nerves that link the CNS to receptors and effectors in the body. The nerve cell The nerve cells play a critical role in the body system.
  • Subjects: Biology
  • Pages: 2
  • Words: 539

Human Development: Nature or Nurture?

With studies and theories carried out to examine the impact of nature on the personal development and personality traits, heredity is an important factor in the development.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2197

Vaquita – Endangered Species

The vaquita looks like a star curved stocky porpoise and it is the smallest of all the porpoises in the world.
  • 4
  • Subjects: Biology
  • Pages: 5
  • Words: 1367

Deeply Rooted in the Present by Kenny: Book Review

The study of this work contributed to the development of the science of anthropology and theoretical approaches related to it, as well as provide an understanding of the formation of the culture and identity of [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 546

Wildlife Management and Extinction Prevention in Australia

This paper investigates the threats to wildlife in Australia and strategies for managing and preventing their extinction. In summary, this paper examines the threats to wildlife in Australia and outlines strategies for managing and preventing [...]
  • Subjects: Biology
  • Pages: 10
  • Words: 2902

Eggs: The Osmosis Process Investigation

The water was carefully drained after 40 minutes, and the egg's weight in the cup was calculated. Meanwhile, we found that corn syrup had a lower concentration of water molecules; therefore, through osmosis, water molecules [...]
  • Subjects: Chemistry
  • Pages: 1
  • Words: 421