Sciences Essay Examples and Topics. Page 5

5,114 samples

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

UV & VIS Spectroscopy Experiment

The first was to determine the unknown concentrations of samples A and B using linear dilution while the other employed the serial decimal dilution method.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 891

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

Positive and Negative Aspects of Volcanic Eruptions

Positive aspects Negative aspects Intensive farming. In the process of ejection of volcanic ash, the earth is enriched due to the content of minerals and useful elements in it. The formation of islands. As a result of volcanic explosions in ancient centuries, islands such as Crete, Cyprus, Micronesia, and Hawaii were formed. Intensive farming. In […]
  • Subjects: Geology
  • Pages: 1
  • Words: 316

Physical and Chemical Properties of Copper

The first stage is mining and the copper sulfide minerals which are concentrated with low-grade ores, electrolytic refining, and smelting are done in order to have a pure cathode of copper.
  • Subjects: Geology
  • Pages: 2
  • Words: 447

Cyclic Voltammetry Basic Principles

Cyclic voltammetry is described by smooth increase of a working electrode potential from one potential limit to the other and back.
  • Subjects: Scientific Method
  • Pages: 4
  • Words: 1045

Fiber Optics: Definition, Types, Benefits

A fiber-optic system will consist of a transmitting device that generates a light signal, an optical fiber cable that acts as the medium for carrying the light, and a receiver on the other end to [...]
  • Subjects: Physics
  • Pages: 2
  • Words: 548

Biogeochemical Cycle: Nitrogen

The nitrogen cycle is a biogeochemical cycle that describes how nitrogen is converted to compounds and circulates through the air, water, and soil.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 395

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

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

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

A Trip to the Center of the Earth

The center of the earth is very hot as a result of the materials that are found in it. The center of the earth is estimated to be at a temperature of 40000C.
  • Subjects: Geology
  • Pages: 2
  • Words: 608

Business Problem Matrix and Research Question Hypotheses

Thus in explaining the two approaches, Burian et al noted that the latter helps the researcher to come to terms with the strategies used to market the company's products thereby exploring approaches and later using [...]
  • Subjects: Statistics
  • Pages: 7
  • Words: 2058

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

Safety of Birds in Confinement

The most common cage material for outside cages is galvanized caging wire that is produced in sheets and cut to form the appropriate cage size for the bird or birds to be housed.
  • Subjects: Zoology
  • Pages: 8
  • Words: 2248

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

Non-Conventional Energy Resources

In the world, there exist different forms of energy that are categorized into two groups that include the fossil fuels and non-fossil fuels.
  • Subjects: Physics
  • Pages: 3
  • Words: 965

GIS Data Organization: Spatial Data Structure & Models

Apart from the difference between data and information, there is a huge gap between geographic data and data in general. Therefore, Fazal's Spatial data structure and models is a crucial piece of information that helps [...]
  • Subjects: Geography
  • Pages: 8
  • Words: 2181

Survival Mechanisms Of Wild Animals

Trinkel and Kastberger argue that, the foremost threat that is facing lions in the jungle is the intrusion of more carnivores because they can overwhelm lions and force them to migrate to other destinations.
  • Subjects: Zoology
  • Pages: 10
  • Words: 2925

History of the Finger Printing

Prior to and after 1950 fingerprinting as a biometric method of identifying criminals in the field of forensic science had been settled upon as one of the most reliable methods of identifying criminals in the [...]
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2189

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

Kinship of Family

In the above mentioned scenario it is certain that links that are based on blood are stronger and cannot be compared to links based on the marriage because the partners in marriage are united by [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 728

Space Travel and Its Impact on the Planet

In addition to sending humans into space on the New Shepard, the company is working on reusable liquid rocket engines, space inhabitation programs and orbital launch vehicles.
  • Subjects: Space Studies
  • Pages: 1
  • Words: 321

The Deeply Rooted in the Present Book by Kenny

For example, the novelty of the author's developments may lie in the fact that she introduces the definition of Quilombo identity into the science of anthropology.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 937

A Metals Density Virtual Lab Experiment

The graduated cylinder was filled with the amount of metal powder, and the outcome was measured as the final volume. The density of the metal was determined using these measurements and the density formula ).
  • Subjects: Physics
  • Pages: 2
  • Words: 789

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

The Thermoregulation Is and Its Importance

The importance of thermoregulation in the body includes: In case there are changes in the external temperatures, an organism must maintain a constant temperature of about 37 degrees Celsius for a human body to ensure [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 367

Analysis of Uniform in Japanese Schools

In addition, uniforms and the rules of school life contribute to the development of a sense of harmony and collectivism in children.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1116

Massive Leak of Liquified Chlorine Gas

Small quantities of chlorine can reach the threshold of acute poisoning within a very short time, thereby leading to casualties.
  • Subjects: Chemistry
  • Pages: 19
  • Words: 2169

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

Semiconductor Opening Switches

In the second line, the energy is accumulated in the magnetic field of an inductive current-carrying circuit and delivered to a load using an opening switch.
  • Subjects: Physics
  • Pages: 10
  • Words: 2722

Communication Behavior Among Crows

The following paper is an analysis of the communication behavior among crows and similarities between this type of communication and human communication.
  • Subjects: Zoology
  • Pages: 6
  • Words: 1708

How the Universe Was Created According to Physics

He observes that space and time have remained to be the most mysterious of the concepts of the universe. The fundamental assumption of the theory is that the universe was initially very hot and in [...]
  • Subjects: Physics
  • Pages: 6
  • Words: 1782

Cell Counting and Measurement Under Magnification

The aim of this exercise is in the measurement and recording of the size of cells and tissues. Insert the eyepiece graticule into the eyepiece and then reattach the base of the eyepiece to the [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1641

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

Mixtures and Compounds in Chemistry

The type of bonds and the combination depends on the position of each element in the periodic table. The elements in a compound are always in a fixed ratio and the arrangement is defined.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1284

Human Circulatory System and Evolution

The coronary circulation involves the movement of blood through the tissues of the heart while the systemic circulation involves taking blood to all the rest of the body tissues and back to the heart".
  • Subjects: Biology
  • Pages: 2
  • Words: 534

An Introduction to Energy and Its Development

Further developments in the field of energy use began with the sources such as wind, biomass, and hydropower and these were the only sources of energy for humans for thousands of years.
  • Subjects: Physics
  • Pages: 5
  • Words: 1303

What is Life Expectancy?

The mortality rate during the years of life span determines the life expectancy. Life span differs from life expectancy in the fact that it represents the maximum years of life that an individual survives, while [...]
  • Subjects: Scientific Method
  • Pages: 3
  • Words: 736

The Mysteries of the Universe: The Galaxies

The neighboring galaxy is the Andromeda Galaxy that together with the Milky Way forms a binary system of giant spiral galaxies. Moreover, it is easier to get a picture of the far galaxy than our [...]
  • Subjects: Astronomy
  • Pages: 3
  • Words: 993

Scientist Charles Darwin & Evolution

By the year 1846, Darwin had a number of publications relating to zoological and geological discoveries of his expedition works that catapulted him in the scientists front rank.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1361

Statistics: Definition, Types, Risks

For instance, if there is statistical research and data pertaining to the foods which aggravate diabetes, it has the potential of influencing a great many lives.
  • Subjects: Statistics
  • Pages: 4
  • Words: 1178

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

Paranormal Phenomenon: Is It Real?

Similarly, it would be presumptuous to maintain that all intelligence and wisdom is on the side of the skeptic; for he may be as liable to error as the next person.
  • Subjects: Scientific Method
  • Pages: 4
  • Words: 1242

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

A Qualitative Research Design on the Basis of Thematic Analysis

The study has two research questions, including the necessity of defining perfectionism from the point of people high in maladaptive and adaptive perfectionism and learning the themes in autobiographical narratives shared by perfectionists.
  • Subjects: Scientific Method
  • Pages: 4
  • Words: 1123

Admirable Traits in Dogs

The candidates are not limited to humans and other dogs, and animals such as cats have been known to be under the protection of dogs.
  • Subjects: Zoology
  • Pages: 2
  • Words: 572

Sampling Methods for Employee Selection

In the first stage of data collection, the selection of the division manager and six managers was based on convenience sampling as the sample was chosen based on ease.
  • Subjects: Statistics
  • Pages: 4
  • Words: 1466

Japan Oceanic Trench as a Subduction Zone

It is located on the floor of the Pacific Ocean, in the northeastern Japan waters. This result to increase in the density of the oceanic plate, forcing it to move into the mantle.
  • Subjects: Geology
  • Pages: 2
  • Words: 574

Cargo Cults, Acculturation, Fat Acceptance Culture

In essence, the cargo cult gives them hope of the coming period of prosperity and comfort. Participants in the video believe that American society is ethnocentric on the issue of obesity.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 905

“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

Leonardo Pisano Fibonacci’s Life and Contributions

Although only few facts are known about the life of Leonardo of Pisa, his writings in mathematics include the detailed discussion of the advantages of the Hindu-Arabic system, the important information on arithmetic in business [...]
  • 3
  • Subjects: Math
  • Pages: 3
  • Words: 852

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

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

The Indian Agriculture Sector

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.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1662

Calculus-Integration

If an indefinite integral function is F and given a certain function f, the function F or the integral is determined such that F' equals the original function f.
  • 4.5
  • Subjects: Math
  • Pages: 4
  • Words: 1074

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

Correlation

The correlation studies result in the determination of the correlation coefficient which is a measure of the strength of the relationship between variables.
  • Subjects: Math
  • Pages: 4
  • Words: 1036

Thailand’s Development of Tourism

The economic and social implications of tourism for the country depend on the fact that the majority of the country's urban population works in the sphere of tourism and service.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1409

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

Color and Light

History in the physics lesson indicates that Isaac Newton was the inventor of light since 1672; he applied the logic of a prism to discover that the prism could split the sunlight to various colours [...]
  • Subjects: Physics
  • Pages: 5
  • Words: 1387

Closed Loop Motor Speed Control Techniques

To investigate the differences between an open loop and closed loop motor speed control in the presence of mechanical load. U-151 Dual attenuator U-152 Summing amplifier U-153 Pre-amplifier U-154 Motor driver amplifier U-155 Tacho amplifier [...]
  • Subjects: Physics
  • Pages: 5
  • Words: 1477

A Light Microscope: Function and Usage

In the optical microscope device, a beam of light hits a specimen located on a slide and then travels through a system of mirrors into the objective. The use of optical circuits inside the eyepiece [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 366

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

Habitat and Ocean Life Considerations of Bottlenose Dolphins

The temperate and tropical oceans of the world are home to bottlenose dolphins. On the American continent, bottlenose dolphins can be seen along California's southern beaches and the eastern seaboard from Massachusetts to Florida, and [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1104

Mathematical and Statistical Investigation

Overall, this investigation is dedicated to one of the most interesting and complex topics in present-day geometry, namely, the problem of time and the circle geometry, associated with the position of the hands-on clock.
  • Subjects: Math
  • Pages: 7
  • Words: 1798

“How to Lie with Statistics” by Darrell Huff

One of the examples of statisticulation is the use of maps by companies. For example, when measuring the effectiveness of a skincare product, the sample should be large enough to provide reliable data.
  • Subjects: Statistics
  • Pages: 2
  • Words: 575

Comparison of Fundamental and Applied Research

Fundamental research and applied research are types of analyses that differ in their socio-cultural orientation, in the form of organization and the translation of knowledge, and the methods of interaction of researchers and scholars' involvements.
  • Subjects: Scientific Method
  • Pages: 6
  • Words: 1668

Space Exploration Problems

On the other hand, people have an opportunity to study the processes which could be useful for understanding the origins of planets, galaxies and the universe in general. BNSC reflected on the plans that UK [...]
  • Subjects: Space Studies
  • Pages: 18
  • Words: 2112

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

Prime Numbers Role in People’s Life

There are great many of prime numbers, the smallest one is 1 and the largest known prime number on the moment of webpage creation is m39 = 213,466,917-1.
  • Subjects: Math
  • Pages: 2
  • Words: 582

Chi-Square – Test to Evaluate an Intervention

In order to perform the calculations, the information was organized in the form of a table suitable for chi-square analysis. Dataset In order to answer the research question, the goodness of fit chi-square test was [...]
  • Subjects: Statistics
  • Pages: 3
  • Words: 800

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

Fundamental Theorem of Calculus in Modern World

The works by Bernoulli and Barrow introduced the term "calculus" in the middle of the 17th century as "a particular method of calculation and mathematical study of continuous change". The purpose of the fundamental theorem [...]
  • Subjects: Math
  • Pages: 2
  • Words: 656

Data Cleaning Strategies in a Multivariate Research

The study I chose to analyze in this paper is a multivariate statistical analysis of cigarette designs and their effects on reducing the presence of various negative components within the smoke that enters the person's [...]
  • Subjects: Statistics
  • Pages: 5
  • Words: 1438

Central Tendency and Its Measures

The measures of central tendency differ in how much use they make of the data, especially of the extreme values, but they are all trying to explain something about where the center of distribution lies.
  • Subjects: Statistics
  • Pages: 3
  • Words: 830

Controversies on Darwin’s Theory of Evolution

Although there are many theories which explain the origin of the earth, Darwin's theory evokes strong responses due to the fact that it opposes religion and it does not meet all the requirements of a [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 967

Anthropology: Tibetan Nomads Life

In the autumn season, the animals become healthy, and this is the time when nomads sell their animals and buy supplies for themselves, which they have to keep for another season of the year.
  • Subjects: Anthropology
  • Pages: 10
  • Words: 2790

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

Scientific Theories of Atoms and Their Structure

Bohr's Theory Although the aforementioned atomic theory by Rutherford was accurate in that it predicted the existence of a dense nucleus in the core of an atom, it still had a few shortcomings.
  • Subjects: Physics
  • Pages: 6
  • Words: 1677

Quantitative Approach to Research

Post-positivist approach says that the scientists are parts of the reality and can never be detached enough to be completely objective in the way they percept the reality. The levels are connected and each level [...]
  • Subjects: Math
  • Pages: 2
  • Words: 437

P-Value Definition and Role

The decision criterion using the P-value is that we reject the null hypothesis when the P-value is less than or equal to the significance level. 049, the null hypothesis is more strongly rejected than when [...]
  • Subjects: Math
  • Pages: 2
  • Words: 555

An Artificial Satellite

It was created with the main purpose of capturing high-resolution images of the earth.'ADEOS 2' - was designed to monitor the biomass in the carbon cycle, earth's water cycle and the trends in climate variation.
  • Subjects: Astronomy
  • Pages: 2
  • Words: 654

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

Space Debris Problem

They cause collision dangers to other satellites and spacecrafts in the orbit and have the potential of increasing debris in space, which would increase the likelihood of collision and hence affect the normal operation of [...]
  • 3.5
  • Subjects: Astronomy
  • Pages: 6
  • Words: 1667

Sampling and Sampling Distributions

This activity is based on the assumption that it is possible to understand the properties of a certain population by examining a part of this population.
  • 4
  • Subjects: Statistics
  • Pages: 3
  • Words: 817

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

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

Chemical and Physical Properties of Ethane

The gas is used in the manufacture of ethane. The industry uses ethane to manufacture ethylene, which is a crucial resource in the manufacture of plastics and other chemical products.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 550

Mathematical Operations with Positive and Negative Numbers

Afterward, the teacher will introduce the students to the logic behind moving the chips on the scale, with the shift to the right representing addition, whereas the transfer to the left representing subtraction.
  • Subjects: Math
  • Pages: 5
  • Words: 1460

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

Linear Motion in One Dimension

In this laboratory work, the dynamics of linear motion of a cart on a horizontal plane were studied to determine the relationship between the position of the cart and time, which is then used to [...]
  • Subjects: Physics
  • Pages: 2
  • Words: 644

A Mineral Appearance and Physical Properties

While the chemical formula and the crystal lattice of a given mineral can be determined in a laboratory setup, it is possible to determine the identity of a mineral using its physical properties.
  • Subjects: Geology
  • Pages: 2
  • Words: 623

Trinidad and Tobago in Country Studies

The economy of Trinidad is considered one of the most developed in the Caribbean: it is ranked third among the most developed economies in the Caribbean.
  • Subjects: Countries Studies
  • Pages: 8
  • Words: 1906

The Use of Mathematics in Advertisements

An example is the article "Comparison of Clinical Efficacy of Three kinds of toothpaste in Reducing Dentin Hypersensitivity". This article uses mathematics in comparing the efficiency of kinds of toothpaste.
  • Subjects: Math
  • Pages: 1
  • Words: 209