Free Essay Examples on Sciences

Abstract Those investigators who choose to use the action research to find effective solutions in such social and educational spheres as teaching are oriented to investigating the problem while involving participants in the research and to developing the collaborative interaction of researchers and participants. Researchers focus on finding ways to solve the problems and implementing the action plan. Karen Swift’s…

Chapter Summary In “Thick Description: Toward an Interpretative Theory of Culture”, Geertz has addressed the theme of culture and has refuted the previously developed anthropological perspectives seeing culture as the synthesis of traditions, values, and techniques. The author has focused on the concept of ‘sick description’ arguing that the semiotic nature of culture has its implications to political and anthropologic…

The latest advances in such fields as biotechnology, genetic research, as well as pharmaceutical discoveries have resulted in a series of unexpected outcomes. Hence, scientists point out the increased level of drug resistance in certain bacteria and animals. In other words, some of the strains of bacteria have become completely resistant to antibiotics. As a result, fighting with pests is…

The participatory action research method is one of the many methods used in qualitative research. Action research sees a lot of use in areas that have to do with people – namely psychological, sociological, and educational studies. The method is popular in these areas due to its circular nature, which allows adapting and coming up with new ways of solving…

Abstract Making soap at home is a very rewarding experience. It is also a way of reducing home expenses since it is inexpensive, could be used in making worthy gifts for friends, and loved ones. A natural soap is one that is manufactured with natural ingredients such as vegetable oils and animal fats. One of the easiest ways to make…

Description In this passage, Pliny talks about mistletoe, a parasitic plant that is mostly found growing on oak trees. The author notes that mistletoe can also grow on other trees apart from the oak such as turpentine trees and wild pears. It is noted that there are different strains of mistletoe depending on the host plant. Different types of mistletoe…

Introduction: Why Choosing a Pet-Related Topic There comes a time in every person’s life when they are ready to take their love to pets from watching adorable YouTube cat videos to the next step. Getting a pet cat might sound very easy – and, in fact, it is – but it is the process of becoming its owner that might…

Determining the validity and reliability of the research instruments when reading a research study When reading and assessing a quantitative research study, it is paramount to determine the validity and reliability of the instruments utilized in that study to understand whether the findings of that study can be trusted. The validity of an instrument (construct validity) assesses the accuracy of…

Abstract Water is the most abundant liquid on the planet that makes up more than 75% of the Earth. In addition, it is the major constituents in the bodies of many organisms. It is important for life because it is a solvent, temperature buffer, metabolite, and a living environment that serves several functions. It has several chemical, physical, and biological…

Eliminating bias in research A crucial element of any competent research is objectivity and researchers are responsible for critically examining the methods and conclusions for bias. To help researchers avoid and eliminate biased attitude, a standard of validity and reliability may be instrumental in research (Creswell, 2013). One of the leading causes of bias is the researcher’s intentional attempt to…

Introduction Venezuela is a country in South America. It has been characterised by overreliance on petroleum exports. This has affected all the other sectors of the economy, as they receive less support from the government. One such sector is the agricultural sector. The country will be impacted greatly if no action is taken by the government to improve agriculture. Overreliance…

Concepts Phyletic gradualism is one of the theories that try to stress more on the genetic mutation and how one species can change to another totally different species through a combination of its better genetic features. The change seems to be slow and take quite some time before a total change is achieved. The gradual change, in this case, does…

Introduction Rivers are common sources of water in the world. Water is useful in various ways both domestically and in industries. It is imperative that such water remains clean and safe and free from any pollution. Unfortunately, water pollution takes place in various water bodies all over the world. This essay seeks to examine the concept of water pollution, its…

Introduction There are numerous sources of information that scholars and students can use in their research. They include, among others, journal articles, books, newspaper articles, and online resources. However, the bulk of these resources do not meet the validity requirements for them to be used in scholarly work. For example, they may lack empirical evidence to support the arguments made…

Peer Review has got explicitly very necessary steps. It is the best process that one can refer anyone who wants his or her work to gain acceptance worldwide. There are various important things about this cycle. The researcher has to have a new idea. Research is useful for answering a question or questions. Those questions are the ones that enable…

Origin Myths In the myths of the tribes inhabiting South America, there are multiple metaphors including those depicting the role of humans, animals, and objects of nature. These figurative images reflect the social beliefs of these nations. For instance, they show the role of a man and woman in society; the attitude to educating children; and the redistribution of social…

Plan for Data Analysis of Demographic Variables To identify associations between the demographic variables, correlational descriptive statistics tests will be used. The correlation coefficient will be the key focus to show how closely the two or more variables are related. The regression equation and the correlation coefficient will be calculated based on the dependence between the variables if they at…

How does the study of heat relate to the kinetic theory of matter? The kinetic theory of matter maintains that matter comprises tiny particles that are separated and in constant motion. These molecules collide with the walls of a container they are placed in. The theory gives an experimental explanation to the physical behavior of matter such as heat transfer.…

Action research is a type of research used in social sciences that implies taking action toward solving problems while conducting the research. Action research has been proved to be an effective method of addressing certain issues that involve human interaction and cooperation (Stringer, 2013). Also, there are many other areas where the method can be applied to potential success. To…

Materials and Methods A stock solution of starch was prepared by mixing 1ml of starch with 2.5ml of hydrogen peroxide (H­2O2) to form 3.5ml of the stock solution, which is enough for the experiment. Next, six test tubes were arranged in their rack and labeled one to six. To prepare the iodine solution, 250µl of potassium iodide (KI) was added…

The Hopi culture is unprecedented in their understanding of the archaeological sites and their cultural implications. The unique blend of geographic landmarks with their symbolic significance and ancestral ties coupled with the unusual non-linear perception of time is the reason their culture has enjoyed special attention from the scholars. The central theme in Hopi’s understanding of life as a process…

Correlation Test To establish the nature of correlation that exists between mindfulness and two forms of happiness, namely, subjective happiness and Oxford happiness, Spearman’s correlation test was used. According to Coolican (2014), Spearman’s correlation test is suitable in the analysis of ordinal data because it is a nonparametric test, which assesses the extent of dependence between two variables. Since Spearman’s…

Industrial fermentation is the way of making products useful to people by the use of the microorganism’s fermentation. Fermented products can be generated in food and other industry sectors. One of the most common examples of employing fermentation in the industry is producing alcoholic drinks and dairy products. This type of energy conversion refers to anaerobic. In comparison with aerobic…

Learning statistics is viewed as an essential subject for every student. It is also crucial to do a reflection about statistics. The author will talk about their experience of learning the necessary skills for analyzing data and predicting possible outcomes. The statistics essay sample is going to speak on the author’s statistics and probability reflection. Introduction I have extensively studied…

Many scholars consider Italy to be the birthplace of human culture and the cradle of civilization as we know it. Lying under the bright hot sun of the southern part of Europe, Italy has been basking in scrutinizing public attention for as long as it has existed. It is one of the key players in the arena of world importance.…

Spatial planning is one of the issues that are of great concern to policy-makers in Belgium. Currently, this country is strongly affected by such trends as increasing population, the growing necessity to protect cultural heritage, and transformation of former industrial zones (Gropas 2014). Therefore, it is vital for local communities to adjust to these factors and become more sustainable in…

Conversation Analysis (CA) is the technique used to investigate and analyze the structures and processes of social interactions between human beings. CA is primarily focused on casual conversations but it also deals with the non-verbal forms of social interaction. CA’s research methodologies have evolved to include advanced forms of social interactions such as the ones that occur at courts of…

A random sample presupposes that all the elements of a particular frame are given the same selection probability. A random sample can be of great use in creating and analyzing surveys carried out among the customers of a particular company. A stratified sample is probabilistic. It is utilized when every single element is considered unique, and therefore, the samples cannot…

Definition of Critical Discourse Analysis (CDA) Kramer (2007, 93) defined critical discourse analysis as a system of analysis that “attends to discreet portions of the language with a particular socio-historical context with an aim of providing a multi-layered analysis of how the language operates communicate surface level language as well as underlying dynamics of interpersonal relations, cultural traces, institutional influences,…

Abstract For centuries, people had been marveling at the phenomenon of northern lights, attempting to explain them in the ways available to them: through legends, myths, and supernatural forces. Northern lights, or auroras, still represent a source of awe, and many go on special tours designed to provide the observers with the best view of the lights. The purpose of…

Abstract The phenomenon of the water exchange between the Baltic and the North Sea attracted the attention of numerous scientists because their waters meet without mixing. Such thing is observed mainly because of the difference in density, but a range of other factors also plays a significant role in this perspective. Thus, it is critical to discuss the geography of…

Introduction: Global Warming Is Coming The issue of climate changes not new; it has already been on the agenda of the world ecologists in 1990s, and in 2010s, the issue seems to have gained a new significance. The phenomenon is traditionally defined as a “process strongly affecting the water resources management as well as the flood frequency of the extreme…

Introduction There is a close relation between field research and qualitative research. However, the observations made while conducting field studies may either be presented as quantitative or qualitative data or both. The data recorded by field investigators are highly dependent on whether it is qualitative or quantitative. Qualitative observation This is detailed data recorded in a field study at a…

Experiment Description Introduction Identifying the flow rates of liquid in a specific environment is a complicated task. However, the adoption of the Venturi Flow Meter contributes to acquiring rather accurate results. Purpose The purpose of the experiment is to understand the principles of flow measurement and to learn to apply the essential principles and formulas to a practical task. Additionally,…

Evidence of dark matter- the motion of galaxies within clusters Galaxy clusters are the leading bound formations in the cosmos. They are the best structure in which to view the impact of the dark matter. The dark matter occupies most of the space in the galaxy clusters. The dark matter is a gravitational mass, which is comprised of exotic elements…

The region of Central Asia has been a focus of the world’s political and economic attention due to its rich oil and gas resources. Ever since the 19th century when the natural riches of the area were first detected the region became a target for the dominant powers of the world such as the USSR and, after that – the…

Abstract For centuries, people across different civilizations had been terrified by the display of power that volcanic eruptions present, and they interpreted them as a sign of wrath and vengeance of gods. Clearly, with the progress of the modern science, volcanoes have been demystified; particularly, the development of the plate tectonics theory in the 1960s has played a major role…

Introduction The contribution made by Muslim mathematicians towards Western civilization cannot be underestimated. Unlike other religions where dogmas are not linked to science, Islam and science are correlated (Ahmed 63). Muslims have contributed greatly to the development of modern science especially in the area of algebra. Muslim mathematicians are the inventors of the Arabic numeral notation and the decimal system,…

Introduction The research under analysis is aimed at the examination of the epidemiology of nosocomial infections in the framework of the Fiji region. The study was carried out by the local health care workers in the Colonial War Memorial Hospital that has the largest Intensive Care Units (ICU) adult ward in the area. According to the researchers, their primary concern…

Introduction: The Use of T-Tests in Nutrition Studies Used to find out whether there is a difference between two groups of numbers, a t-test is an efficient means to conduct a mathematical analysis (Keller, 2011). Obviously useful in a number of fields, a t-test is essential for the evaluation of a specific issue. Therefore, when it comes to people’s health…

Introduction Isaac Newton was an ancient scientist and a great mathematician who is credited for the invention of several scientific theories. Newton is credited for coming up with theories that explain the nature of the universe ranging from the theory on the force of gravity to the theory of inertia. The theories by Isaac Newton changed peoples’ view of the…

Introduction Do you believe that the human species is unique? Evolutionary scientists have claimed that human species emanated from ape-like creatures, but the truths about such claims have remained controversial. However, scientific studies have compared human species to other species and noted substantial uniqueness in terms of personality, judgment, and abstract thinking and others (Hunt and Colander 1). Creativity Humans…

The article under consideration Thousands of Birds Found Dead along Alaskan Shoreline is written by Seth Kovar and Steve Almasy. It addresses the relevant issue, namely the death of the birds in Alaska because of starvation. However, it should be highlighted that the primary reason is somewhere deeper. The major purpose of the paper is to evaluate the presented information…

Food safety constitutes proper preparation, storage, and preservation of all foods. According to the United Nations Asian and Pacific Center for Agricultural Engineering and Machinery (APCAEM), an upsurge in international trade on agricultural products has made food safety a major concern. Furthermore, food safety is becoming a serious policy matter due to rigorous agricultural activities, pollution and man-made, and natural…

The exploration of space has always set people’s imagination on fire. Popular science fiction only added to the excitement of the humankind, making people wonder what wonders the Universe has in store for its explorers. However, focusing on the unknown and the mysterious that the outer space concealed, people are apt to forgetting that the Earth also has a range…

Marine pollution is a sad yet integral part of the 21st century reality. A range of technological advances and solutions for economic issues pose a tangible threat to environment, and oceans are by far the most vulnerable element of the latter. A recent marine pollution issue shows in a very graphic way that the safety of the current technology should…

South-Eastern Asia is one of the most actively developing regions in the world. In spite of the fact that the majority of countries in this region are traditionally discussed as underdeveloped in relation to the economic and political factors, the situation has changed significantly during the 2010s (Butts, Mitchell, & Berkoh, 2012, p. 91). Today, Singapore, Indonesia, Thailand, and Malaysia…

Introduction Measures of central tendency are values that fall in the midline of a given data set (Dodge, 2003). Measures of central tendency are often used in research to get an idea of where most data values lie. Other data measures that are closely related to measures of central tendency are variance and standard deviation. The most commonly used measures…

There are various speculations about the possibility of a significant natural disaster that can take place in California in the near future. In particular, it is often assumed that this state may eventually fall into the ocean due to the influence of some forces. One should keep in mind that in the course of the last two centuries, this region…

Latent heat is the energy that is accumulated or released in a specific thermodynamic system as a result of a constant temperature process (Lutgens and Tarbuck 375). The aforementioned process can be observed in the course of a change of state of matter and the following release or accumulation of energy. In contrast to melting, which requires that a substance…