Natural Sciences Essay Examples and Topics. Page 3

2,306 samples

A Comparison Between China and the USA

After the bringing down of the iron curtain and the fast progress under globalization, this distinction has been reduced to that of degrees, with China all set to assume the role of leading economic power [...]
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1095

X-Ray Fluorescence Experiment with Salt

The salt sample was then put in a plunger to be compressed followed by measuring the height of the compacted sample, which was 7 cm. Other chemical elements that were found in the salt specimen [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 878

James George Frazer’s Role in Social Anthropology

The recognition of the power of the natural laws slowly led to development of religion. As such religion, in Frazer's view is the emancipation of the intelligent man from the throes of primitive magic.
  • Subjects: Anthropology
  • Pages: 9
  • Words: 2483

Artifacts, Ecofacts, and Features in Anthropology

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 [...]
  • 5
  • Subjects: Anthropology
  • Pages: 3
  • Words: 900

“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

SOFAR Effects on the Marine Life

The speed and energy of the sounds that are transmitted in the SOFAR channel are maintained without being altered because of the pressure, which increases with increase in depth.
  • Subjects: Geography
  • Pages: 2
  • Words: 599

Marxism in Development Geography

Marxist Geography is critical in nature, and it utilizes philosophy and theories of Marxism to look at the spatial relations of human Geography.
  • Subjects: Geography
  • Pages: 6
  • Words: 1695

Ethiopia: Historical Background and Modern Issues

The political history The country has made a big stride in the political lines. The country has a unique and exclusive mix of culture compared to other African countries.
  • 5
  • Subjects: Geography
  • Pages: 3
  • Words: 975

Tomato Plants Growing

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.
  • 1
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1536

Primary Mode of Subsistence in the Zulu Culture

This paper is aimed at bringing to the fore the primary approach of the Zulu culture subsistence and further analyze the impact of its subsistence on the Beliefs and values, Kinship and social organization aspects. [...]
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2184

Are Viruses Alive?

What happens is that the organisms that are mono-celled grow mostly because; when they are formed during the cell division they are usually small and they are supposed to grow and develop to full-grown cells.
  • Subjects: Genetics
  • Pages: 2
  • Words: 935

Effect of pH on Amylase Activity in Starch Breakdown

This acceleration is based on the attachment of the substrate to the enzyme's active center, and this attachment is specific, which means that each reaction requires a particular kind of enzyme.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1631

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 Effect of pH on Water Holding Capacity of Chicken

In the present laboratory work, the main issue is to investigate the potential relationship between WHC as a measure of moisture content and chicken pH; specifically, the question is to identify the effect of meat [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 974

Comparing Indian Society With Europeans

Compared to the European colonies and society that wanted to conquer and defy the outer world, Indians paid more attention to their well-being and stimulation and facilitation of their irrigation systems and trade networks. As [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 932

Color Blindness and Its Genetic Nature

Nevertheless, color blindness genes may be carried by the non-color-blind female and transferred to future generations. Depending on the mutation, inherited color blindness may be congenital or may reveal itself in childhood or adulthood.
  • Subjects: Genetics
  • Pages: 1
  • Words: 294

Microbiology and Its Role in Healthcare

Microbiology, as a broad scientific field, entails an array of concepts and issues that are of pivotal relevance to health care as a whole and the science of pathophysiology, in particular.
  • Subjects: Biology
  • Pages: 1
  • Words: 296

The Chemical Composition of Food

Secondly, the liver makes most of the cholesterol in the body which is still not important and the body takes only about 50% of the cholesterol in the food eaten and the rest is eliminated [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 599

Co-Evolution: Angiosperms and Pollinating Animals

The birds need nectar from the flowers, the plants that produce nectar consequently only do so to attract these birds and insects, for the process of drawing nectar from these plants to be possible, the [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 601

Lipids: Fatty Acids and Glycerols

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.
  • Subjects: Biology
  • Pages: 3
  • Words: 916

Cell Theory, Functions, Discoveries

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 [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 742

Types of Saturation Indices: Calcium Carbonate

According to Stein, the value of the index describes the stability of the calcium carbonate contained in water. In the event that the value of LSI is at zero, then water is said to be [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1698

Process of Converting Bauxite Into Aluminium

Therefore, with the help of a refining process, Alumina is extracted from bauxite which in turn is converted into Aluminium metal with the help of smelting process. The process of refining the metallic ore in [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 965

Life in the Bottom of the Ocean and Its Protection

While we all strive hard to detect and analyze the essence of life and the impact it has on our lives, we need to understand that life in itself is a big mystery, the truth [...]
  • 5
  • Subjects: Biology
  • Pages: 5
  • Words: 1529

The Best Place in the World to Live: Personal Opinion

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 [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 1160

Life History in the Anthropologic Perspective

These have been very significant in an analysis of the life history of my brother with a view to point out that self acceptance at every reality and experience of life can be elementary in [...]
  • Subjects: Anthropology
  • Pages: 16
  • Words: 4531

The Life of James Oglethorpe

He is credited with the founding of the colony of Georgia, which was motivated by his desire to resettle the poor lot in England, especially the prisoners convicted of debts, into America.
  • Subjects: Geography
  • Pages: 4
  • Words: 1099

Smart Farming and Sustainable Agriculture

Smart farming allows for a wide range of options, from robotization and satellite imagery to the Internet of Things and the blockchain technology that increases the efficiency of crop cultivation by optimizing the use of [...]
  • Subjects: Agriculture
  • Pages: 8
  • Words: 2308

KHT Molar Solubility Experiment

Thus, the calculated molarity of NaOH is used to compute the molar solubility of KHT, which is the quantity of KHT moles that are liquefied in every liter before saturation level.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1322

Thin Layer Chromatography

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 [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 961

Recombinant DNA Technology and pGLO Plasmid Use

Transformation of bacterial cells, which is one of the approaches used in genetic engineering, involves the transfer of genetic material from one bacterium to another using a plasmid vector.
  • Subjects: Genetics
  • Pages: 6
  • Words: 1666

Major Geographic Qualities of Europe

One thing that struck me the most was the immense variation in relatively small areas of the continent. This can be attributed to the events in the history of the continent.
  • Subjects: Geography
  • Pages: 6
  • Words: 1814

Nylons: Production, Characteristics and Applications

The general background provides information on the various terms used to describe nylon, the history of nylon, a comparison between nylon and other natural materials, such as cotton and silk, and the standards set aside [...]
  • 2
  • Subjects: Chemistry
  • Pages: 16
  • Words: 4161

The Omnivore’s Dilemma: Corn Production

These coupled with the rapidly rising population against the rapidly reducing levels of the natural environment, pizza and other fast food products continue to gain ground in the current markets.
  • Subjects: Agriculture
  • Pages: 9
  • Words: 2330

Naphtha Reforming: Progress and Profits

In fact, some studies have explored the unknown elements of the catalytic process in naphtha reforming. It is also necessary to note that elements in the hydrocarbons and concentrations of other elements are responsible for [...]
  • Subjects: Chemistry
  • Pages: 15
  • Words: 4185

Blending Inheritance and Valid Concepts

The model of blending inheritance implies that the offspring gets the traits that equal to the average of the same traits in their parents.
  • Subjects: Genetics
  • Pages: 2
  • Words: 564

Analytical Information and Facts about Namibia

It is essential to note that the sand sea occurs as a result of soil erosion, which facilitates collection of the sand mainly in River Orange and in other parts of the desert.
  • Subjects: Countries Studies
  • Pages: 20
  • Words: 5443

Irrigation System Strategy

The amount of water that is applied during irrigation depends on certain factors among them the type of the crop, variability and type of soil, field size, labor needs and the method used in applying [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1642

Modern Algeria

It borders the Mediterranean Sea to the north, Tunisia, and Libya to the east, Niger, Mali, and Mauritania to the south, and Morocco to the west.
  • Subjects: Countries Studies
  • Pages: 20
  • Words: 5466

Honey’s History and Trade

An analysis on the history of honey consumption reveals that its history has not only being long and mixed, honey has been used in the production of a variety of foods in the world over. [...]
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1074

The Biological Basis of Sleep

The authors suggest that it needs more accurate measurement of sleep and wake pattern by the use of the electrooculogram, the recording of the movement of the eye, EEG and electromyogram, the recording of the [...]
  • 3
  • Subjects: Biology
  • Pages: 8
  • Words: 2220

Physical Geography: Climatology and Geomorphology

In general, geography is the study of distribution of human beings and things over the surface of the earth, and the interrelationship between human beings and the natural world.
  • Subjects: Geography
  • Pages: 2
  • Words: 604

Physical, Human, and Economic Geography of Italians

Its neighbors include France Switzerland and Austria to the north, Slovenia along the Alps, and the Italian Peninsula, the islands Sicily, and Sardinia to the south in the Mediterranean ocean.
  • Subjects: Geography
  • Pages: 5
  • Words: 1371

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

Environmental Ethics of Pesticide Usage in Agriculture

For example, pesticides are responsible for the destruction of the soil and harm to the overall ecosystem. The soil, water, and air resources are at a high risk of contamination from the toxins that are [...]
  • Subjects: Agriculture
  • Pages: 4
  • Words: 735

Summary of “The Omnivore’s Dilemma” by Pollan

People, as omnivores, have a wide array of eating options. Pollan analyzes the ecological and animal well-being impacts of various dietary choices in his 2006 book “The Omnivore’s Dilemma.” For example, the first chapter is titled “One Farmer, 129 Eaters,” in which George Naylor and his family have a farm in Iowa bought by his […]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 679

A Critical Review of Ethnographic Analysis

The difference between these two techniques is transparent: in the case of open observation, the group of respondents knows that the researcher is conducting an analysis and is aware of its goals, whereas covert observation [...]
  • Subjects: Anthropology
  • Pages: 7
  • Words: 1735

Red Panda: The Animal Observation

They have a diurnal and twilight lifestyle, sleeping in trees during the day and marking their territory, and looking for food at night.
  • Subjects: Zoology
  • Pages: 1
  • Words: 386

Moths: Change in the Coloration

In particular, the peppered moth is thought to have changed its coloration qualitatively as a result of the deleterious effects of the Industrial Revolution on the forest.
  • Subjects: Zoology
  • Pages: 3
  • Words: 852

Nervous System: The Main Functions

The Nervous System is the "command and control center of the body". These electrical impulses go between the brain, the skin, the organs, the glands, and the muscles.
  • Subjects: Biology
  • Pages: 2
  • Words: 577

Yeast and the Fermentation Process

An example is a cellular fermentation, a pathway of breaking down sugars in the absence of oxygen. Yeast is one of the organisms that perform this procedure in the presence of a substrate to produce [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 343

Camel Racing and Nutrition

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.
  • Subjects: Zoology
  • Pages: 3
  • Words: 871

Determination of the Enthalpy of an Acid-Base Reaction

Of note, caution was taken to minimize the time of contact with the container as this would raise the temperatures of the container hence giving a false impression of the actual temperatures.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 827

Bacteria Identification: Enterobacter Aerogenes

However, it is sensitive to most of the antibiotics specific to the bacterium although the sensitivity is easily lost due to its unique mechanism for resisting antibiotics particularly through the production of lactamase enzyme.
  • Subjects: Biology
  • Pages: 4
  • Words: 1096

Cells, Tissues, and Major Organs Systems

The report will cover the structure and functions of animal cells and organelles. It will also address the structure and functions of tissues and main organs of the body.
  • Subjects: Biology
  • Pages: 8
  • Words: 2269

Strontium: Physical and Chemical Properties

The rest are artificial isotopes and, are a consequence of radioactivity. The table below shows a summary of the radiological properties of strontium isotopes.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 865

Recent Advances in Artificial Photosynthesis

Specifically, scientists strive to use the known and change them into "functional, efficient, synthetic systems that will tap the endless supply of energy coming from the sun".[1] Researchers believe that artificial photosynthesis can work on [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1392

The Evolution of Insect Wings

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.
  • Subjects: Biology
  • Pages: 10
  • Words: 2695

Silver Characteristics as a Chemical Element

In addition, silver is commonly formed in a wide variety of hydrothermal deposits and is associated with gold and the base metals such as copper, lead and zinc. Increase in silver concentration is an indicative [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 882

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

Diffusion in Polymer Solutions

Diffusion is the process of movement of atoms from higher concentration region to lower concentration region. The activation energy of vacancy diffusion is high compared to interstitial diffusion.
  • Subjects: Chemistry
  • Pages: 20
  • Words: 5561

Potassium Polyacrylate Definition

Potassium Polyacrylate is a substance added to the soil to absorb and store water for the plants. Potassium Polyacrylate can also absorb and release fertilizers into the soil, the same way it does to water.
  • Subjects: Agriculture
  • Pages: 2
  • Words: 574

Ethnographic Design: Characteristics

According to Abalos, "ethnography is the in depth study of naturally occurring behavior within a culture or a social group; it seeks to understand the relationship between culture and behavior, with culture referring to beliefs, [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1143

Iron: Properties, Occurrence, and Uses

The price of the steel, which includes iron in its composition, differs from the steel grade. The main stage is heating of the iron ore in the blast furnace, removing the oxygen from the oxide.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 910

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

The Process of a Prenatal Child’s Development

A zygote is developed as a result of the fusion of two sex cells the sperm and ovum. The basic element of a chromosome is DNA and gene is the major component of the DNA.
  • Subjects: Biology
  • Pages: 2
  • Words: 874

Museum “Sex of Animals” Exhibition

The museum has writings on the wall, and videos that show the animals in sexual acts. Same-sex sexual behavior in some of the animals led to a rethinking of same-sex sexual behavior in human beings.
  • Subjects: Zoology
  • Pages: 4
  • Words: 1086

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

Demographics: East Side Ward of Newark, New Jersey

The city of Newark, New Jersey, is the largest city in the state, although it is not the state capital. Currently, as stated above, the majority of the city's population is black, with the following [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 582

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

Acid Effects on Starch in Industrial Applications

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.
  • Subjects: Chemistry
  • Pages: 7
  • Words: 2011

The Pinacol Rearrangement Organic Reaction

The first objective of the experiment was to demonstrate how pinacol undergoes rearrangement to form pinacolone under the catalysis of heat, acid, and boiling chips.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1660

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

Common Characteristics of Developing Countries

Indeed, this is evident from the high number of slums and informal settlements within these nations. This is because the environment is the main source of food and other crucial resources.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1355

Umm Al-Nar: Geoarchaeology and Cultural Heritage

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 [...]
  • Subjects: Archeology
  • Pages: 8
  • Words: 2268

Indigenous Australians: History, Culture, Identity

The meaning of a group, a family, the importance of partnership and the way these people percept co-existence all of these aspects are included into the studies of kinship.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1266

Hair Care Products: Components and Effects

The heating facilitates the production of formaldehyde gas that bonds the hair with the conditioner. The entire process exposes customers to the risk of inhaling the formaldehyde gas that has negative effects on the body.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1383

Why Evolution Is True?

A study of some of the fossil evidence using some of the modern tools shows a clear pattern of evolutionary change that make it easy to appreciate that evolution could be true.
  • Subjects: Evolution of Humans
  • Pages: 10
  • Words: 2788

Genetic Disorders: Causes and Treatment

The individual inherits some of the characteristics from the mother and the rest is inherited from the father. Genetic disorders may be passed from the parents to the offspring's during the process of fertilization.
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1667

The Huaorani of Ecuador

In such an organization, there is a wide variety of help for the day to day chores that is defined according to the ability and position of the family member.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2478

Japanese Tourism Industry

The main purpose of the agency is to promote and monitor the number of tourists that enter into the country and develop specific legislation that is subject to the approval of the main governing body [...]
  • Subjects: Geography
  • Pages: 20
  • Words: 5325

Ethnography: An in-depth analysis

The focus of this process is the collection and recording of detailed information about the activities of a selected group of people or community with regard to the topic of the study, which proves useful [...]
  • Subjects: Anthropology
  • Pages: 10
  • Words: 2709

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

Article Summary

In his article,' Professional vision', Charles Goodwin seeks to examine the discursive practices often used by members of a given profession to shape the domain of their professional assessment, the phenomenal environment where their thoughts [...]
  • 3
  • Subjects: Anthropology
  • Pages: 2
  • Words: 560

Canadian Ontario’s Economic Contributions

The report also analyses the presence of Bone's fault lines and the projection of the fault line in the next ten years. Therefore, the population in Ontario is concentrated in the southwest and dispersed in [...]
  • Subjects: Countries Studies
  • Pages: 7
  • Words: 1955

Regional Analysis of Surrey, British Columbia

The city of Surrey, River Fraser, and the Cascadia faultline have always made up the characteristics of the region together with its artistic beauty. The painting is a beautiful landscape of the Fraser River in [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 669

Evolution of Humans: The Main Theories

The process of evolution is one of the closest to the human being as people constantly invent new technologies and expand their minds.
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 950

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

Personal Statement for a Major in Geography and Planning

From my perspective, geography is a prominent professional field that has incredible potential, and I want to contribute to the advancement of this area to improve the lives of societies and organizations.
  • Subjects: Geography
  • Pages: 2
  • Words: 581

Planting Bamboo: The Role of Photosynthesis

Lastly, I think bamboo's photosynthetic exceptionalism is manifested in the fact that light is one of the most important factors of photosynthesis, as it is a source of the necessary radiant energy for biochemical processes.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 825

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

Development Through the Lifespan – Middle Adulthood

Environmental influence presents the other side of influence affecting people's development in their middle adulthood. Berk explains this phenomenon in the example of menopause, which is a characteristic process in middle adulthood, and women's response [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 975

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

Microbial Growth and Effect of pH on It

The above principle is used in this laboratory work, the aim of which is to evaluate the effect of the pH of the medium on the growth of microorganisms.
  • Subjects: Biology
  • Pages: 5
  • Words: 1137

Atropian Iron: 1st AD Stability Operations Decision Brief

Solving the problem is essential for securing Atropian independence and sovereignty from existing and potential separatist and insurgent challenges and addressing the root causes of the failure of the Government of the Republic of Atropia.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 795