Science Essays Examples For College & High School Students in PDF

14278 total results

Account of the Life and Works of Albert Einstein (1432 words, 6 pages)

Einstein was born in Ulm, Germany on Mar. 14, 1879. Einstein's parents, whowere non observant Jews, moved from Ulm to Munich when Einstein was an infant. Thefamily business was the manufacture of electrical parts. When the business failed, in 1894,the family moved to Milan, Italy. At this time Einstein decided ... Read More

An Analysis of the Effects of Depth and Sediment Concentration on the Penetration of Light in Water (1063 words, 2 pages)

Effects of Depth and Sediment Concentration on the Penetration of PhotosyntheticallyIntroductionThe purpose of this study plan is to measure the effects of light on sedimentary particles in water. This study plan will include information pertaining to equipment, procedures, and analysis. This plan will also discuss problems that could arise during ... Read More

An Analysis of Enzymes Such as Catalase as Large Protein Molecules That are Found in Living Cell (2431 words, 6 pages)

Enzymes such as Catalase are large protein molecules that are found in living cells. They are used to speed up specific reactions in the cells. They are all specific as each enzyme just performs one particular reaction. In their globular structure, one or more polypeptide chains twist and fold, bringing ... Read More

An Analysis of the Ways an Organism Avoids Being Prayed Upon (2506 words, 4 pages)

An organism has several ways to avoid being prated upon. One way to avoid this is to practice crptis. Crypis is the action of organisms avoiding predation by blending in with their backgrounds and matching the color pattern of a bark, twigs or leaves. Palatable animals often utilize this strategy ... Read More

A Description of DNA as a Deoxyribonucleic Acid Which is Double Stranded, Helical Nucleic Acid Molecule Which Determines Inherited Structure of a Protein (555 words, 3 pages)

DNA, Deoxyribonucleic acid, is a double stranded, helical nucleic acid molecule which determines inherited structure of a protein. The steps are made of bases adenine, guanine, cytosine, and thymine. The sides are sugar and phosphate molecules. Restriction enzymes are enzymes that cut DNA at restriction sites, leaving fragments blunt or ... Read More

An Analysis of the Life and Contributions of Dmitri Ivanovich Mendeleev, a Russian Chemist and Inventor (604 words, 2 pages)

Derived by Dimitri Mendeleev, the periodic table may be one of the most informational tables contained in chemistry. By leaving gaps in the columns and rows, Mendeleev was allowing for the discovery of undiscovered elements of that time. From the properties of the elements surrounding these gaps, Mendeleev was able ... Read More

An Analysis of the Bulk Movement as the Overall Movement of a Fluid (614 words, 3 pages)

1. a) Bulk movement is the overall movement of a fluid. The molecules allmove in the same direction. Diffusion however is the random movement ofmolecules which usually results in a fairly even distribution. In otherwords the movement is not guaranteed to move in one direction but theprobability that it will ... Read More

An Analysis of Different Arguments on the Issue of Ozone Depletion (381 words, 1 pages)

The issue of whether the people of the world have exaggerated the threat of the ozone depletion has been widely debated. It is an important issue because it concerns health and well being now and tomorrow. A variety of different arguments have been put forward about this issue. Because air ... Read More

An Analysis of Electromagnetism Which Exists Everywhere (593 words, 1 pages)

Electromagnetism exists everywhere. When people drive, walk, or even go to the beach. However, due to the extreme complexity of the topic, electromagnetism has proven to be a subject studied by those who are crafty and willing enough to explore the domain. The ideas of electricity start from simple objects ... Read More

An Introduction to the Genetic Material of Cells (993 words, 2 pages)

Deoxyribonucleic acid and ribonucleic acid are two chemical substances involved in transmitting genetic information from parent to offspring. It was known early into the 20th century that chromosomes, the genetic material of cells, contained DNA. In 1944, Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA was ... Read More

An Argument Against Teaching the Evolution and Creation in Mankind (1056 words, 4 pages)

For a long time school administrators, teachers, parents and even students haveargued for and against the teaching of either creation andor evolution. Evolution hasbeen taught in many public schools for generations because of the scientific methods andsupport it has as a scientific theory of how we as humans came to ... Read More

An Analysis of the Characteristics, Types and Creation of Crystals (1487 words, 3 pages)

What is a crystal? A crystal is a solid substance with definite geometric shapes and molecules that are arranged in a repeating pattern (Comptons ). Crystals have fixed angles between its faces, which have distinct edges. If the faces of a crystal can reflect light, then it will sparkle (Stangle). ... Read More

A Description of Creatine as a Substance That is Naturally Produced in Every Human Being (2654 words, 5 pages)

Mark McGwire uses it. Sammy Sosa uses it. The Atlanta Braves have tubs of it in their locker room. Then why does Scott Carnahan, Linfield Colleges varsity baseball coach and coach of the 1994 U.S.A. Olympic baseball team emphasize, I will not participate in distributing it to any of my ... Read More

A Discussion of the Issues Related to the Theory of Creationism (1399 words, 2 pages)

Creationism is a religious metaphysical theory about the origin of the universe. It is not a scientific theory. Technically, creationism is not necessarily connected to any particular religion. It simply requires a belief in a Creator. Millions of Christians and non-Christians believe there is a Creator of the universe and ... Read More

A Biography of Nicolaus Copernicus, a Renaissance Mathematician and Astronomer (252 words, 1 pages)

Nicolaus Copernicus was born in 1473 in Poland to a family of merchants andmunicipal officals. Copernicus later moved in with his uncle Bishop Lukasz Watzenrode. Nicolaus obtained a better education while living with his uncle. Copernicus entered Jagullonian University in 1491. He studied the liberial arts for fouryears without recieving ... Read More

An Introduction to the Process of Making a Column (350 words, 1 pages)

The purpose of this project was to make a comparison of two different columns using different ingredients.I made a hypothesis that two columns would decompose at a slow rate depending on the environment, heat, water, air etc. And at the end I would end up with soil in both the ... Read More

An Analysis of the History of DNA Which Use For Forensic Cases Already Spans More Than a Decade (1181 words, 3 pages)

The history of DNA use for forensic cases already spans more than a decade. The first cases into which DNA evidence was brought in were in England. The first case of using DNA-related evidence in Arizona courts was the 1988 murder of Jennifer Wilson by Richard Bible near Flagstaff. Blood ... Read More

Cloning and the Process of Genetic Engineering (1093 words, 2 pages)

Cloning is a process that has been debated for decades, and all the arguments are now coming to a head. The thought of cloning has been around since the turn of the century, but was not given much publication until the genre of science fiction pursued it in novels, comics, ... Read More

Clone: The Science of Cloning (911 words, 2 pages)

Science, in the past few years has made great strides in the field of mammal reproduction. Theyve worked for years to find out exactly what happens during a pregnancy, and also how it works. Weve come so far in these stages as to gain the knowledge needed to make oral ... Read More

A Study on Cloning: The Manipulation of the Genes (1853 words, 3 pages)

Everyday people find themselves at a crossroads that requires a decision as to which path to follow. In the past few years, scientists have gained knowledge about cloning that could impact our lives for centuries to come. As a society we are at a crossroads and we will have to ... Read More

An Analysis of Sensitive Chromosome Which Probes Recently Discovered By a University of Toronto Geneticist (710 words, 3 pages)

Sensitive chromosome probes recently discovered by a University of Torontogeneticist will make it easier to detect certain types of genetic and prenatal diseases, aswell as being used to determine paternity and provide forensic evidence in criminalProbes are short pieces of DNA which bind to, and actually pinpoint, particularsites on a ... Read More

A Study on Thermodynamics (430 words, 1 pages)

According to principles of Thermodynamics, the system tries to go to the state of minimum energy. Of course, we would have to assume that1.the system is not tight(so that energy may escape to some other system). The principle of conservation of energy has to be followed.2.the system is not in ... Read More

An Analysis of the History, Nerve Gas Agents and the Effects of Chemical Warfare (1212 words, 3 pages)

In this report I will be giving a history of chemical warfare. I will also be showing a chart that includes the Agent, and many other useful information about nerve gas agents which are the main item for chemical warfare. This report will also include the effects of nerve gas ... Read More

A Study on the Element, Bromine (279 words, 1 pages)

The element Bromine, is a red liquid which is explosive at room temperature and has ared brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. Themelting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relativeBromine is a ... Read More

An Analysis of the Use of Charles’s Law to Determine Absolute Zero Temperature (732 words, 2 pages)

Using Charles Law To Determine Absolute ZeroOne of the variables that affects the volume of a gas is the temperature of the gas and its surroundings. This volume-temperature relationship is quantified in Charless law. The law states that as the temperature of a gas decreases, the volume of the gas ... Read More

A Biography of Erwin Chargaff, a Pioneer in Biochemistry (351 words, 2 pages)

Erwin Chargaff, born 1905 in Czernowiz, Austria, was a pioneer in biochemistrycontributing to the understanding of DNA. He, in 1928, earned his doctoral degree inchemistry at the University of Vienna's Spath's Institute in 1928. Erwin began his careerin biochemistry at Yale University, working under Rudolph J. Anderson from 1928 to1930. ... Read More

An Analysis of the Theory of Biogenesis and Cell Theory, Their History and Relationship (299 words, 1 pages)

In this paper I will show my knowledge of many different topics of Cellular Life. I will explain the theory of biogenesis, cell theory, the history of both and how they tie in together. I will also state the scientific method and why it is important to science. Abbi Spallonzani ... Read More

A Research on the Mitochondria (2282 words, 6 pages)

The mitochondria has an egg shape structure. The mitochondria consists of an inner and outer membrane. The outer membrane is what shapes the organelle to its egg like shape. The inner membrane which folds inward makes a set of "shelves" or cristae that allow the reactions of the mitochondria to ... Read More

A Research on Cells and Their Importance (560 words, 1 pages)

All living things are made of the same basic building blocks, cells. A human is made of 65 trillion cells. Cells are everywhere, on you skin, in your blood, and even on your tongue. In fact, your blood is clear but red blood cells are what make your blood red. ... Read More

The Role of Cell Nucleus (271 words, 1 pages)

The cell nucleus was discovered in 1828. At this time no one really understood what it did but eventually it was found to be the control center for the cell and it organelles. The cell was discovered by a Robert Brown, a botanist. Robert Brown invented his own microscope with ... Read More

Science Essay Examples