Science Essays Examples For College & High School Students in PDF

14278 total results

A Paper on Max Karl Ernst Ludwig Planck (329 words, 1 pages)

Max Karl Ernst Ludwig Planck (1858 - 1947) was a German physicist who was of the first people to contribute to the invention of quantum theory. After studying physics at Munchen University, he moved to Berlin where, in 1889, Planck discovered a new fundamental constant (h), which is named Planck's ... Read More

A Paper on Sensors and Actuators (441 words, 1 pages)

A senor is a device that converts a physical phenomenon into an electrical signal. As such sensors represent part of the interface between the physical world and the world of electrical devices, such as computers. The other part of this interface is represented by actuators, which convert electrical signals into ... Read More

An Analysis of Science (1678 words, 2 pages)

Science has always been seen as a quest for knowledge that quenches mans thirst for the ultimate truth. This is actually a statement that really cant just be stated but must be followed with a deep explanation as not everyone would agree with this saying. Even if the statement is ... Read More

The Concept of in-Vitro Fertilization (597 words, 2 pages)

There has been an extensive history in the development of In Vitro Fertilisation. This is evident in the scientific discoveries and advances in medical procedures. In addition, the church and society have made scientific contributions to the debate concerning In Vitro Fertilisation techniques. The discovering of human ova and sperm ... Read More

The Theory of the Two Hemispheres of the Human Brain (804 words, 2 pages)

"right brain, Left Brain." The article in which I chose to examine is called Right Brain, Left Brain Fact and Fiction, written by Jerre Levy. In the past fifteen years or so there has been a lot of talk of left brain and right brain people. Levy's reason for righting ... Read More

The Agricultural Revolution (1963 words, 4 pages)

Conditions Before Before the agricultural revolution there was the open field system was used. There were strips of land which were shared between farmers meaning that no one had any privacy on their farm. There were many disadvantages of the open field. Disease could spread quickly and easily among animals ... Read More

What Is Electrical Conductivity (1548 words, 2 pages)

Electrical conductivity estimates the amount of total dissolved salts, or the total amount of dissolved ions in the water. EC is the abbreviation of electrical conductivity, and TDS is the abbreviation of total dissolved salts. This is stated by numerous sources, including J. P. Michaud, 1991. Conductance is the opposite ... Read More

An Paper on Research Methodology (2072 words, 7 pages)

Research Methodology. Research involves two steps Generating scientific hypothesis testing hypohtesis. Generating Hypothesis Hypothesis a statement that can be tested - about the topic of interest Eg Adolescents tend to be more moodier than children or adults How to generate hypothesis by general observation It also helps to be very ... Read More

The Accuracy of Radiocarbon Dating (2612 words, 4 pages)

The method of radiocarbon dating and its potential usefulness was discovered and developed by a team of scientists led by the late Dr. Willard Libby. He later received a Nobel Peace Prize for chemistry. Since the formation and calibration of radiocarbon dating, it has risen to become the field standard ... Read More

A Short Essay on Radar Applications According to Frequency (433 words, 2 pages)

Radar applications by frequency HF (3 to 30 MHz) The very first British radar system chain home used the HF band, but it was soon realised that these frequencies were becoming too crowded with other users and they suffered from too much external noise for serious use. The HF band ... Read More

An Essay on the Quantitative and Qualitative Approaches to Research (3400 words, 6 pages)

FET 8801 Research Methods in Education Quantitative and Qualitative Approaches to Research (3,248 words) INTRODUCTION For thousands of years, philosophers and other academics have formulated and debated theories of knowledge in attempts to conceptualize and analyze reality. These ways of knowing are commonly referred to as epistemologies which help us ... Read More

A Research on Quantum Physics (1551 words, 3 pages)

While researching quantum physics, I realized that I had just finished a book that was based on quantum theory. At the time, I didnt quite realize that quantum theory and quantum physics were related except in name. Niels Bohr once said, Anyone who is not shocked by quantum theory has ... Read More

What Is Qualitative Analysis? (2100 words, 4 pages)

Qualitative Analysis Introduction Qualitative analysis is used in the determination of the identity of a substance. It is different from quantitative analysis, which deals with the determination of the amount of a substance. In this experiment, qualitative analysis techniques are used to determine whether or not a sample contains a ... Read More

An Essay on the Invasive Qualities of Purple Loose-strife (3095 words, 4 pages)

an essay on the invasive qualities of purple loosestrife and the consequences. well researched, minor grammar mistakes PURPLE LOOSESTRIFE The scene is breathtakingly beautiful, a thick brush of purple flowers blankets Canada's wetlands. This blanket silences the expected sounds of the wetland environment, birds chirping, ducks splashing, insects buzzing and ... Read More

A Paper on Astronomers and Their Jobs (381 words, 2 pages)

People would think that staring at the stars and pondering the interactions of large bodies of matter would involve a life of quiet contemplation, removed from the petty day-to-day distractions of the working world. But being an astronomer involves more then just this. Astronomers track, study and review data of ... Read More

A Paper on Plate Tectonics Theory (771 words, 1 pages)

Plate tectonics are a relatively new theory that has revolutionized the way geologists think about the Earth. According to the theory, the surface of the Earth is broken into large plates. The size and position of these plates change over time. The hypothesis of continental drift was largely developed by ... Read More

A Research on Antarctic Phytoplankton Content (188 words, 1 pages)

ANTARCTIC PHYTOPLANKTON CONTENT Upon a short period of very extensive research, one can conclude many things about the phytoplankton content of the waters surrounding the continent of Antarctica.First of all, what is phytoplankton? Phytoplankton is defined as planktonic plants and other autotrophs which are the most important primary producers in ... Read More

Geometry and Physics Behind 3D Coding (611 words, 1 pages)

Physics in 3D Worlds - Relating Video Games to Schoolwork Have you ever wondered what goes into the visual creation of those 3D worlds (and video games)? If you ever look closely at the 3D characters (and objects), you should be able to tell that there are some identifiable 3D ... Read More

A Short Paper on Oxygen (178 words, 1 pages)

Oxygen is the most important element in the periodic table, its symbol is O . Oxygen is colorless and odorless, it was found in 1774 by a man named Joseph Priestly, the origin of the name oxygen comes from the Greek words oxus (acid) and gennan (Generate). Oxygen has a ... Read More

An Example of Statistics Exam (839 words, 3 pages)

Chapter 7 Outline Objectives Find the confidence interval for the mean when s is known or n gt 30. Determine the minimum sample size for finding a confidence interval for the mean. Find the confidence interval for the mean when s is unknown and n lt 30. Objectives (cont'd.) Find ... Read More

A Paper on Osmosis, Plasmolysis and Turgor (657 words, 1 pages)

Osmosis, Plasmolysis, and Turgor Each cell has constantly to cope with osmotic phenomenons. Cells without walls that live in aqueous solutions are usually hypertonic. They are subject to a continuous influx of water that results in a pressure on the inside of the membrane. Some ciliates (like Paramecium) and flagellates ... Read More

An Essay on Fusion Reaction (2377 words, 7 pages)

For a fusion reaction to take place, the nuclei, which are positively charged, must have enough kinetic energy to overcome their electrostatic force of repulsion. This can occur either when one nucleus is accelerated to high energies by an accelerating device, or when the energies of both nuclei are raised ... Read More

Rules of Numbers and Their Meanings for Different People (1093 words, 2 pages)

Shiraz Z. Moughal Numbers! What are numbers? Well can someone think of them? Well as far as I know, numbers came from the Egyptians. Though the passage of time, Arabs played a great role in numbers. In the past, numbers were used for different then they are now a days. ... Read More

Properties of Neon and Its Uses (459 words, 1 pages)

Neon Neon, meaning new in Greek, was discovered by two British chemists Sir William Ramsay and Morris W. Travers. They discovered the element in the atmosphere while they were studying liquid air. It was separated from other inert gases. This was in the year 1898. Ramsay had predicted the existince ... Read More

Traditional Morality Comparable to Physics and Chemistry (3951 words, 7 pages)

INTRODUCTION. Traditional morality is a set of rules and beliefs about appropriate social behaviour, which have evolved to facilitate and improve social life. Most people feel that morality is somehow more than this. They think it's not merely something that's developed in response to human needs, but that it's true ... Read More

A Paper on the Planet Venus (904 words, 2 pages)

Venus is the 2nd closest planet to the Sun, and the closest planet to Earth. Venus can reach visual magnitudes (brightness) of -4.4, making it the brightest object in the night sky, excluding the moon. Venus was once considered Earth's twin, a swampy place with oceans and strange creatures were ... Read More

Imagining Life on Mars (1015 words, 2 pages)

Life on Mars If life ever evolved on any of the other planets, Mars is the likeliest candidate. After Earth, Mars is the planet with the most hospitable climate in the solar system. So hospitable that it may once have inhabited primitive, bacteria-like life. Outflow channels and other geologic features ... Read More

The Role of Chemistry in the formation and test of Margarine (799 words, 1 pages)

In the April 2006 issue of ChemMatters, I found an article entitled "Bread-and-butter issues, the chemistry of margarine" which is of great relevance to what I have just studied in the topic of organic chemistry. The author of this article is Andrew Parsons, who is currently a senior lecturer in ... Read More

The Extraordinary Life of Steven Paul Jobs (1370 words, 3 pages)

Life of Steven Paul Jobs Steve Paul Jobs was born in 1955 in Los Altos, California. Steve was adopted by Paul and Clara Jobs of Mountain View, California. The Job's were not happy with the school system of Mountain View so they packed up their bags and headed off to ... Read More

An Essay on the Components of Lasers (761 words, 1 pages)

The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The beam is produced by a process known as stimulated emission, and the word "laser" is an acronym for the phrase "light amplification by stimulated emission ... Read More

Science Essay Examples