Chemistry Essays Examples For College & High School Students in PDF

1489 total results

Alternative Ways of Water Filtration and Disinfection (663 words, 2 pages)

Water Treatment Devices There are many different types of water treatment devices currently being used by countries, cities, and even for personal use. Some of the devices that will be analysed are Im running out of creativity. Chemical Disinfection In Canada, the most common method of disinfecting drinking water is ... Read More

A Study of Soil (822 words, 2 pages)

Soil, superficial covering of most of the earths land area an aggregation of unconsolidated mineral and organic particles produced by the combined action of wind, water, and organic decay. Soils vary widely from place to place. The chemical composition and physical structure of the soil at any given location are ... Read More

A Comparison of Differences Between Water and Plant Growth Regulators in Experiment (532 words, 1 pages)

Least Significant Difference Luke Hamann Introduction Organic chemicals which are produced by the plant in small amounts act as a plant growth regulator (PGRs). This plant growth regulators do exactly what the name says the regulate the growth of a plant. They also regulate how the plant grows. Plant growth ... Read More

An Introduction to the Analysis of Soda-Lime-Glass (326 words, 2 pages)

Name of the material The material I will be writing about is glass. Soda-Lime-Glass will be the main type of glass I will explain in detail even though there are five other main types of glass including Lead-alkali glass, borosilicate glass, alumino-silicate, silica glass and fused silica glass. How the ... Read More

The Major Developments in the Field of Textile Printing (3185 words, 8 pages)

Transfer Printing Mans urge to decorate his clothing and fabrics of his environment, by means of printing, dates back to the earliest of times. Over the ages and even more now it is desirable to have designs on our fabrics. There are many ways of getting these designs onto our ... Read More

A Study of the Environment on the Cell Membrane by Dave Lima (1461 words, 5 pages)

Study Of The Enviroment On The Cell Membrane Dave Lima SBI OA1 Mr. Swanson 10499 Purpose To study the effect of environmental changes in the permeability of living beet root cells. Procedure A The effect of pH on the cell membrane Materials Method 1. Cut a beet root into slices ... Read More

Preventing Pre-Natal Alcohol Exposure (1423 words, 3 pages)

Kaylee Final PositionProposal Paper Preventing Pre-natal Alcohol Exposure A growing body of scientific evidence indicates that alcohol use by pregnant women can result in birth defects in unborn children. When alcohol crosses the placenta, it enters the fetal bloodstream in a concentration equal to the mothers bloodstream. This alcohol is ... Read More

An Experiment with Plant Hormones and Growth Regulators (482 words, 1 pages)

Introduction Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, killing of leaves, promotion of stem elongation, color enhancement of fruit, prevention of leafing, and many other conditions. Very small concentrations of these substances produce major growth changes. All plants produce hormones naturally, and growth regulators ... Read More

An Experiment to Range the Metals Copper, Lead, Silver and Zinc Together with Hydrogen (713 words, 2 pages)

EXPERIMENT 1 Aim To range the metals copper, lead, silver and zinc together with hydrogen. Start with the strongest reducing agent. Hypothesis The nobler a metal is, the worse reducing agent. Apparatusrequirements Sandpaper, strips of zinc, lead, silver and copper, solutions containing aqueous Zn2, Pb2, Cu2 and Ag ions (0.2 ... Read More

An Argument Against the Production of Nuclear Energy (244 words, 1 pages)

Nuclear Energy should be produced because it is an alternative to fossil fuel. Nuclear energy helps to conserve our national resources that we use as fuel such as coil, oil, and natural gas. Another pro of nuclear energy is that radiation that is given off by nuclear energy is mostly ... Read More

A Report on the Manhattan Project: The Building of the Bomb (768 words, 1 pages)

Manhattan Project The Manhattan Project was the name for the United States program to develop an atomic bomb during the second world war. It was the largest scientific effort undertaken at that time. It involved thirty-seven laboratories throughout the country. One-hundred thousand people worked on this project. Some of these ... Read More

An Analysis of a Light Fundamental on Forces in Our World (904 words, 3 pages)

LIGHT A FUNDAMENTAL FORCE IN OUR WORLD If asked what light is, one could say that it's one of the most basic elements of our world and our universe as we perceive it. It is through sight that we receive 90 of our information. It is through the use of ... Read More

An Overview of an Experimental Procedure (274 words, 1 pages)

EXPERIMENTAL PROCEDURE 1. 2.07 g of the mixture of naphthalene and benzoic acid was weighed accurately on a balance. The mixture was then dissolved in 40 ml dichloromethane and the solution was poured into a separatory funnel. 2. 20 ml of aqueous sodium bicarbonate solution was added to the dichloromethane. ... Read More

An Introduction to the Analysis of the Experiment with Test Tubes (429 words, 1 pages)

What is in each test-tube? What proof do I have of this? Test-tube A Test-tube A had water in it. I can base this on the fact that it was a neutral, reacting neither to red or blue litmus paper. Phenolphthalein also did not react to this substance. The pH ... Read More

An Analysis of a Chain Reaction in Out of the Crisis by W. Edwards Deming (453 words, 1 pages)

W. Edwards Deming, the quality control expert, wrote a very interesting book in the 1950s, entitled Out of the Crisis. In this book, Deming wrote a formula to show how quality improvement results in a chain reaction Improve qualitygtgtcosts decrease (less rework, fewer delays)gtgtproductivity improvesgtgtcapture the market with better quality ... Read More

A Study on the Element of Hydrogen (1159 words, 2 pages)

Hydrogen in it's liquid form has been used in space vehicles for years. Hydrogen has a high combustion energy per pound relative to any other fuel, meaning hydrogen is more efficient on a weight basis than fuels currently used in air or ground transportation. Hydrogen is the universe's most abundant ... Read More

The Results of the Experiment Testing the Sensory Systems (852 words, 2 pages)

Experiment 2 I have found that the taste of the fresh water does change after having the sugar water in my mouth. My taste buds adapted to the sugar water. As the sugar water stayed in my mouth longer the water started to taste less sugary. The fresh water tasted ... Read More

The Life of Galileo Galilei, a Founder of Modern Experimental Science (429 words, 1 pages)

Galileo Galilei "founder of modern experimental science" Galileo Galilei was one of the most remarkable scientists ever. He discovered many new ideas and theories and introduced them to mankind. Galileo helped society as an Italian astronomer and physicist, but how did he come to be such a great and well-known ... Read More

An Introduction to the Development From Graphite to Diamond (1749 words, 3 pages)

From Graphite to Diamond The Whole Journey It is a long journey for a piece of graphite to transform into a beautiful diamond. It only takes a little energy ( 1.9 Kj mole ) but it is a very difficult process. To create a diamond you must have temperatures ranging ... Read More

The Process of Measuring Body Temperature (1179 words, 2 pages)

MEASURING BODY TEMPERATURE As humans we are able to maintain our body temperature at a constant level, out with the temperature around us. Most of the time we are not conscious of our own body temperature. The control of body temperature comes from a special regulating centre in the brain, ... Read More

A Description of the Opposition To Movement as a Multi-Fold Process (521 words, 1 pages)

Opposition to movement is a multi-fold process. The surfaces of encounter between the swimmer and the fluid provide resistance to efficient motion. Energy is sucked off as fluids change from laminar to turbulent flow. Flow may also become diverted inward creating rotations called vortices that project downstream from the swimmer. ... Read More

An Analysis of the Finch In A Pinch Lab Report (752 words, 2 pages)

Finch In A Pinch Lab Report Problem Statement As scientists, we have come to this island to observe the evolution of finches when forced into an unfamiliar habitat with a changing food supply. Hypothesis We believe our finch, Pherous robustus, will have a good chance at survival because its beak ... Read More

An Essay on the Development of a Living Organism in an Egg (1564 words, 2 pages)

AP-Biology Essay The egg of the amphibian is fertilized externally and contains a large amount of yolk. After the egg is fertilized there is a reorganization of the cytoplasm. When the sperm penetrates the egg the pigment cap rotates toward the point of sperm penetration and a gray crescent appears ... Read More

An Argument Against the Science of Cloning (868 words, 1 pages)

The term clone evokes rather frightening thoughts by many. Images of armies of identical people lacking individuality remind many of Aldous Huxley's fiction of a genetically engineered world. Despite the general public fear of this fictional view of cloning, science has a purer purpose of clones. Cloning in one sense ... Read More

An Experiment on Isolating DNA from Onion Cells (435 words, 1 pages)

Chromatin Isolation DNA is the blueprint for all living things. DNA is made of a material called chromatin. The purpose of this experiment was to attempt to isolate, or separate, chromatin from onion cells. My lab partner was Dave Sugg. Hypothesis We should be able to isolate DNA from onion ... Read More

The Development of Cellular Technology over the Second and Third Generation (884 words, 2 pages)

Imagine for a moment, the year is 1980. You are sitting beside a lake sketching the landscape and someone delivers a message to you that your mother has called and wanted to know if you needed any extra food dishes for the family dinner that is planned for this evening. ... Read More

An Experiment on the Extraction of T.H.C. from the Marijuana Plant (1008 words, 2 pages)

Making real hash requires the tedious collection of resin glands from several pounds of fresh female cannabis flowers, and is a rare delicacy in most parts of this country. In most cities, low-grade, unpalatable cannabis is the only available form of T.H.C. I decided I wanted to turn the available ... Read More

The Phenomena of Bernoulli’s Principle (358 words, 1 pages)

The Bernoullis Principle was a phonomena for all physics. He was considered to me the father of mathematical physics. The principle itslef was named after the Swiss scientist named Daniel Bernoulli during the eighteenth century. Bernoulli studied the many relationships among fluid and pressure. This principle shows the relationship of ... Read More

A Study of Adenosine Triphosphate (1096 words, 2 pages)

INTRODUCTION Adenosine triphosphate is the source of about 95 of the bodys energy requirements. The body burns food, storing some of the energy in the bonds of ATP. When these bonds are broken the energy is released supplying the body with energy for other reactions. ATP is simultaneously an ester, ... Read More

An Experiment on the Acceleration on an Incline (638 words, 2 pages)

Title Acceleration on an Incline Purpose (Hypothesis) By rolling a metal ball down an inclined ramp, we see the effects of gravity. As we perform this experiment, we get values for displacement, average time it takes for a ball to go a certain displacement, average velocity, initial velocity, final velocity, ... Read More

Chemistry Essay Examples