Natural Sciences Essay Examples and Topics. Page 2

2,730 samples

Desalination in the UAE

Therefore, the UAE Security Strategy 2036 promotes the idea of the creation of desalination plants as one of the dominant technologies in the UAE.
  • 5
  • Subjects: Agriculture
  • Pages: 3
  • Words: 871

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

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

Pets’ Adoption: Cats Make This Life Happier

Now, I comprehend that my life will be funnier if I adopt a cat, and even more, if I persuade my close friend to follow my example: a cat does not require too much space, [...]
  • Subjects: Zoology
  • Pages: 2
  • Words: 694

Geography of United Kingdom

The Gneisses rocks are the oldest rocks in UK and are mostly found in North West Scotland with few traces of the rock in other places.
  • Subjects: Geography
  • Pages: 2
  • Words: 656

How a Caterpillar Becomes a Butterfly

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.
  • Subjects: Zoology
  • Pages: 3
  • Words: 856

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

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

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: 9
  • Words: 2935

Culture and Agriculture: Nature and Significance Understanding

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.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1665

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

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

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

“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

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

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

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

Organic Chemistry: Combinatorial Synthesis of Azo Dyes

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 [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 556

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 Solventless Reaction: The Aldol Reaction Condensation

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.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 582

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

Nanobiotechnology, Its Advantages and Disadvantages

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.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 886

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

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

Marine Life in United Arab Emirates

This report analyses the marine life in the UAE, covering detailed information about the various species of animals found in the region and their adaptation to the unique environment.
  • Subjects: Biology
  • Pages: 5
  • Words: 1474

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

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

Kleiner-Perkins and Genentech: Capital Met Science

The case setting is in the field of biotechnology and the main stakeholders were the founders Robert Swanson and Herbert Boyer who did not have the financial capabilities to establish the project.
  • Subjects: Genetics
  • Pages: 3
  • Words: 957

Cocoa Production and Its Environmental Performance

There is a variety of significant issues related to the growth and production of cocoa. A risk for the environment and trees is also present due to the practice of cocoa farming.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1190

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

“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

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 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

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

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

Biosphere Evolution and Threats

The biosphere, however, overlaps between all the spheres that include the lithosphere, which is found on the surface of the earth.
  • Subjects: Geography
  • Pages: 3
  • Words: 867

The Importance of Teaching Alternative Evolution Theories

The theory of evolution should be the basis of the entire course of biology at school. The general representation of the leading alternative evolution concepts should be provided before the arguments for these theories implementation [...]
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1122

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

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

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

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

Corn Plant’s Developmental Stages

After the emergence from the ground, the corn plant continues to grow and elongate over the next weeks to form a stalk.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 883

Strada, an Ideal Country and Its Features

This paper also outlines the need for a sound governance structure that premises on the principles of justice and mercy and a respect for religious diversity, as the tenets for a reliable social framework to [...]
  • Subjects: Countries Studies
  • Pages: 10
  • Words: 2852

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

Chemical Spills in Forensic Setting

In the forensic labs, rudiments of environmental wellbeing and safety should be strictly considered. The required quantity of chemicals should be used in crime scenes, and excess spillage must be cleaned.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 630

Hokkaido Island of Japan

Hokkaido is thenorthernmost land of Japan and is surrounded by two seas, the Sea of Japan and the Sea of Okhotsk, and the Pacific Ocean.
  • 3
  • Subjects: Geography
  • Pages: 10
  • Words: 2721

A Brief Discussion of Animal and Plant Cells

In plants, important cells such as the parenchyma cells help to store materials and support the process of photosynthesis. Cells found in the leaves of most plants fundamentally assist the plant to absorb the necessary [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 654

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

Cell Organelles, Their Functions, and Disease

Mitochondria-associated membrane, a specialized sub-group of the ER has specific lipid and protein composition and is involved in cross-communication with mitochondria.
  • Subjects: Biology
  • Pages: 4
  • Words: 1195

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

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

Responsible House Plant Keeping

As not every necessary chemical can be derived from sunlight and water, especially in the enclosed environment of a plant pot, it is recommended to include particular vegetation mixtures, ensuring the prosperity of the green [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2262

City of Perth, Australia Exploration

The city of Perth in Australia has a rich heritage in terms of cultural values and attitudes which define the culture of the city and this is evidenced by the exotic buildings and open spaces [...]
  • Subjects: Geography
  • Pages: 10
  • Words: 2936

Contribution of Amedeo Avogadro to Chemistry

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 [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 583

The Benefits of a Protection Dog

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.
  • Subjects: Zoology
  • Pages: 2
  • Words: 596

The Birth of Childhood by Ann Gibbons

Therefore, they analyzed the process of growing a fossil Neanderthal that lived in Belgium 500,000 years ago and found out that it also grew up faster than a modern human do.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 596

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

Burmese Pythons

This paper covers the impact of the Burmese python on Florida's native diversity, the factors that have led to its rapid increase and why it poses a great danger to the natural habitat of South [...]
  • 3.8
  • Subjects: Zoology
  • Pages: 8
  • Words: 2183

The City of Khor Fakkan: History and Tourism

It is situated on the east coast of the Unites Arab Emirates on the Gulf of Oman, but it is actually a remote commune, which is the part of the Emirate of Sharjah.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1088

Pinacol Rearrangement: Chemical Lab Experiment

Undertake qualitative analysis of the product using IR and NMR techniques, which provide spectra of functional groups and chemical shifts respectively. Carry out qualitative analysis of the product using 2,4-DNP test, which can detect carbonyl [...]
  • Subjects: Chemistry
  • Pages: 7
  • Words: 1974

Pinacol Rearrangement Experiment

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.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1230

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

Hydroponics in Agriculture

These different setups have the same idea of hydroponics growing but the difference comes in the type of medium used in the growing and the state of the nutrient solution.
  • 2
  • Subjects: Agriculture
  • Pages: 16
  • Words: 4693

Measurement of Generation Time of E. Coli

An integral part of bacterial cultures is the generation time, which determines the ability to double during each time interval: determining the minimum value of this time for an inoculated E.coli culture was the main [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1527

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

Hominids and Stages of Human Evolution

Ardipithecus ramidus, Australopithecines, Homo habilis, Homo erectus, and Homo Neanderthal are stages of human evolution with distinct physical appearances and behavior. The molars and premolars of Homo habilis were comparatively smaller than Ardipithecus and Australopithecus.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 563

Javan Rhinos: Wildlife Trading of Endangered Animals

Out of the five rhino species, Javan rhinoceros is the most threatened species despite being in the ecosystem for millions of years, playing a crucial role in shaping the landscape by its feeding style.
  • Subjects: Zoology
  • Pages: 6
  • Words: 1368

Improving Stress Resistance in Agricultural Crops

The biotechnology involved in producing such crops faces many difficulties and there are a lot of considerations of the methods used to improve the crop's resistance that need to be assessed.
  • 5
  • Subjects: Agriculture
  • Pages: 9
  • Words: 2810

Substitution Reactions of Alcohols: Practical Experimentation

The experiment aims to illustrate the way substitution reactions of alcohols transpire. In particular, the experiment aims to illustrate the way 1-butanol undergoes nucleophilic substitution reaction resulting in the formation of 1-bromobutane.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2290

Primate Observation Paper

I was prepared to make observations on the behaviour of the three primates within their enclosed incarceration. The main behaviour characteristics that I observed include play-face, sniff/nuzzle, groom, new food, scent mark, and object manipulation.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1432

Sea Otters’ Life Cycle From Birth to Death

However, after the species had almost become extinct and their protection began, the species began to recover and towards the close of the 20th century, conservation had given rise to tens of thousands of sea [...]
  • Subjects: Zoology
  • Pages: 5
  • Words: 2076

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

Bermuda Triangle and Its Definition

According to Winer, "the initial claims of the mysterious disappearances in the Bermuda also known as the 'Devils Triangle' dates back to September 19th 1950.
  • Subjects: Geography
  • Pages: 3
  • Words: 1002

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

Living Conditions in Ethiopia

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 [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 847

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

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

Pets and people

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.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 808

The Human Cloning Debates

Nonetheless, the scientists opposed reproductive cloning claiming that the practice undermines the uniqueness of humankind and that it is unethical to put the lives of clones in a condition of being susceptible to harm or [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1197

Domestication of Animals in Neolithic Era

Due to the fact that humans were largely dependent on cultivated crops, domestication of plants and animals was the next step in the development of civilization.
  • Subjects: Evolution of Humans
  • Pages: 6
  • Words: 1636

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

Digestive Journey of Cheeseburger

The salivary glands contribute to the breakdown of the nutrients in the mouth while the pharynx directs the eats to the esophagus.
  • Subjects: Biology
  • Pages: 1
  • Words: 401

The Komodo Dragon: Species Conservation Plan

The Komodo dragon is the heaviest carnivorous lizard on the planet listed in the IUCN red list as vulnerable. The current geographical range of this species is the Komodo National Park and Flores Island.
  • Subjects: Zoology
  • Pages: 2
  • Words: 675

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: 6
  • Words: 3207

The Profile of China. Key Facts

The areas with most of the lakes are found in the Lower-Middle Yangtze plain and the Tibet-Qinghai plateau. Most of the lakes in the Northwest part are salty while the ones in the Southeast are [...]
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1499

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

Food Dye and Bleach Reaction Experiment

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 [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1353

Polar Ice Caps in Antarctica and the Arctic

This paper aims to outline the key factors affecting the formation and maintenance of polar ice caps, as well as to review and compare the characteristics of Antarctica and the Arctic.
  • 5
  • Subjects: Geography
  • Pages: 2
  • Words: 580

National Geographic Travelers Magazine analysis

The other related publication and electronic media by the same publisher include the National Geographic Kids, National Geographic Adventure and the National Expedition.
  • Subjects: Geography
  • Pages: 2
  • Words: 653

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

The ‘Lost Golden City’ in Egypt

This was the largest city to be uncovered in Egypt. This city was later abandoned and the capital relocated to a city known as Amarna.
  • Subjects: Archeology
  • Pages: 1
  • Words: 323