Biology Essays Examples For College & High School Students in PDF

10822 total results

An Introduction to the Four Chemicals: Bendedrine, Chloral Hydrate, Caffeine and Alcohol (1187 words, 5 pages)

This report deals with testing the toxicity of certain chemicals onspiders, and determining the toxicity by how it affects its ability to weaveits web. This report contains research on the four chemicals (benzedrine,chloral hydrate, caffeine, and alcohol) as wellas the spiders and their webs.Spiders are of course found in the ... Read More

An Introduction to the Genetically Enhanced Products in Today’s Society (2174 words, 10 pages)

If you have had a can of soft drink, ate a fruit, or took some head achemedicine this morning - then it's very likely you have used a geneticallyenhanced product. Genetics is a part of biotechnology that manipulatesbiological organisms to make products that benefit humankind. Biotechnology isessential in our life, ... Read More

The Invention and History of the Steam Powered Bicycle (1088 words, 5 pages)

In 1868 Ernest and Pierre Michaux of France, experimented with a steam-poweredbicycle. This engine was to big and heavy to really do much other than be a goodidea. In 1868, steam powered motors was all that they had. The idea of amotor-powered bicycle had not come around again until 1884 ... Read More

An Analysis of Nikita Khrushchev’s Policies of Desalinization (1660 words, 7 pages)

Although many of his ideas did not bring the expected results, Nikita Khrushchevpolicies of de-Stalinization were politically wise. He went against many ofStalins tyrannical policies and gave the people a much greater sense offreedom. In the process known as de-Stalinization, legal procedures wererestored, some greater degree of meaningful public controversy ... Read More

An Analysis of Human Cloning in Today’s Society (1384 words, 6 pages)

Cloning humans has recently become a possibility that seems much more feasiblein today's society than it was twenty years ago. It is a method that involvesthe production of a group of identical cells or organisms that all derive from asingle individual (Grolier 220). It is not known when or how ... Read More

An Introduction to the Determination of the Gonads (1026 words, 4 pages)

Concerns the determination of the gonads. In mammals, determination strictlychromosomal not influenced by the environment. Most cases- female XX maleXY Every individual organism has atleast one X Chromosome. Since the female has2 X chromosomes, each of her eggs posses one X chromosome. The male posses an Xand a Y, so ... Read More

How the Brain Processes and Stores Memory (724 words, 3 pages)

When forming a memory, the brain takes what we see, hear, smell, feel, and ortaste, and fills in the blank spots with information that we have perceived fromcommon knowledge and stores it as a memory. But sometimes something happens thatis so shocking that the mind grabs hold of the memory ... Read More

An Analysis of the Topic of the Scientific Research (3078 words, 13 pages)

Although it is only in recent times that scientists have started to document theeffects of music, the qualities of music were understood even in earliest times.Evidence suggests that dance and song preceded speech, which means that music isthe original language of humans. Researcher's have found that about two-thirdsof the inner ... Read More

A Short Biography of a Great Inventor, Albert Einstein (372 words, 2 pages)

Albert Einstein Albert Einstein, a Jew by birth and one of the fathers of the atomic age, was born in 1879 in Ulm,Germany.After public school in Munich and Aarau, Switzerland, Einstein studied mathematics and physics at Swiss Polytechnic Institute in Zurich.In 1914 he assumed a professorship of physics in the ... Read More

The Developmental Blueprints of an Infant (1280 words, 5 pages)

Infants grow at a very rapid rate during the first one and a half years of life.Their development is not only physical, it is also mental, emotionally, andsocial. These developments are the blue prints for further development in life.During development, there are three basic developmental laws. The first one isthe ... Read More

An Introduction to the Human Brain a Miraculous Organ (656 words, 3 pages)

The human brain is a miraculous organ. It regulates thought, memory, judgment,personal identity, and other aspects of what is commonly called mind. It alsoregulates aspects of the body including body temperature, blood pressure, andthe activity of internal organs to help the body respond to its environment andto maintain the body's ... Read More

An Analysis of the Responsibility of Water Resource Engineers (786 words, 4 pages)

Dealing with the natural resources of our environment, both in managementcapacities for present needs and safety and in planning for the future availableresources, is the responsibility of water resource engineers. Working in thefields of Hydrology and Hydraulics, water resource engineers help to guaranteethe availability and quality of public water supplies ... Read More

An Analysis of the Phenomenon of Superfluidity Called Bose-Einstein Condensation (1358 words, 6 pages)

"As we shall see, it is generally believed that the phenomenon ofsuperfluidity is directly connected with the fact that the atoms of helium-4obey Bose statistics, and that the lambda-transition is due to the onset of thepeculiar phenomenon called Bose condensation." (Leggett, 1989) BOSE-EINSTEINCONDENSATION This is the phenomenon wherein the bosons ... Read More

A Description of Sir Isaac Newton (277 words, 2 pages)

Sir Isaac Newton was born on December 25, 1642 (according to the Julian calendarwhich was in use then the date was January 4, 1643, according to the GRegoriancalendar in use today0, at Woolsthorpe near Grantham in Lincolnshire. Hiswidowed mother remarried when he was three years old, leaving him in the ... Read More

A Report on the Creation of Energy Using Light Pulse Transformers (807 words, 4 pages)

The source is a nine volt battery. I'm creating energy by using light pulsetransformers...columns of light pulse transformers...The timing is so that thebase wire is a constant current.The columns of the light pulse transformers arein a circle all going to the same base wire. They fire like timed pistons in ... Read More

An Introduction to the Definition of Matter Which Consists of Atoms Held Together by Electromagnetic Forces (562 words, 3 pages)

Matter consists of atoms held together by electromagnetic forces. How tightthese bonds are, determines which of the four states solid, liquid, gas andplasma, matter exists as. Plasma is only found naturally in the corona and coresof stars and in bolts of lightning. There are three classic states of mattersolid, liquid, ... Read More

A Study of Nuclear Fusion (506 words, 2 pages)

Nuclear Fusion is the energy-producing process which takes place continuously inthe sun and stars. In the core of the sun at temperatures of 10-15 milliondegrees Celsius, Hydrogen is converted to Helium providing enough energy for usto sustain life on earth. For energy production on earth, different fusionreactions are involved. The ... Read More

A Report of Theoretical Velocity of a Ball Bearing Gun (602 words, 3 pages)

This report will investigate the theoretical velocity of a ball bearing gun. Themethods and techniques used to derive the results will be shown along with thepossible systematic and random errors caused by experimental limitations.Discussion Since the track is virtually frictionless and air resistance isneglected, the system is isolated the net ... Read More

The Introduction of How Jet Aircraft Lifts Tremendous Weight Off the Ground (494 words, 2 pages)

Have you ever wondered how a jet aircraft lifts its tremendous weight off theground, or what gives a runner the stamina to reach the finish line in a race?In order to answer all these questions we must talk about the transformation ofone sort of energy into another. The jet aircraft ... Read More

A Report on the Experiment on Two Objects Colliding, Their Measurements of Velocity and Mass, and the Conservation of Linear Momentum (615 words, 3 pages)

Measurements of velocity and mass of two objects colliding, support theconservation of linear momentum. The dynamics of different masses distinguishvelocity values experimentally. Video recordings of two colliding masses can bemanipulated to extract frames displaying distance verses time. Computer softwareenables us to derive the velocity. Different masses were tested to determine ... Read More

A Study of Lightning (1633 words, 7 pages)

Lightning is a discharge of static electricity in the atmosphere, which causes abright flash of light. When lighting goes through the air, it heats the air todegrees hotter than the sun's surface about 50,000 degrees fahrenheit. Thisheating causes the air to expand and contract. This causes the sound calledthunder. Lightning ... Read More

An Introduction to the Lightning a Natural Phenomenon That Occurs More Often than We Think It Does (2237 words, 9 pages)

Lightning is a natural phenomenon that occurs more often than we think it does.That streaking flash, followed by a loud rumbling noise, that makes your kneesbuckle is very dangerous because of its unpredictable striking force. Beingstruck by lightning can be deadly, so the more precautions you take ahead oftime, the ... Read More

A Discovery of Hydrothermal Vent (521 words, 3 pages)

Imagine being on the ocean floor. You are in total darkness and in unbearablepressure. You would think that in this freezing environment there is no life,but there is. Eight years ago something was discovered that no one could evenimagine. It was a source of life called a hydrothermal vent. A ... Read More

An Analysis of the History and Characteristics of Hydroponics, a Technique of Growing Plants without Soil (1602 words, 7 pages)

The word hydroponics is thought to have been derived from the Latinwater working. Water is the basis for hydroponics. Stated plainly,hydroponics is the growth of plants without soil. History Though often thoughtof as modern and experimental, hydroponics is an ancient practice. Though itwasnt known at the time, the Hanging Gardens ... Read More

A Study of Hydrogen (1159 words, 5 pages)

Hydrogen in its 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 usedin air or ground transportation. Hydrogen is the universes most abundantelement. Most of that ... Read More

A Essay on Physics (1314 words, 6 pages)

Physics began when man first started to study his surroundings. Earlyapplications of physics include the invention of the wheel and of primitiveweapons. The people who built Stone Henge had knowledge of physical mechanics inorder to move the rocks and place them on top of each other. It was not untilduring ... Read More

An Introduction to the Understanding of Newton’s Laws (322 words, 2 pages)

By possessing an understanding of Newton's Laws, following these three laws ofgraphical solutions, and understanding vector algebra you can solve mostengineering static problems. Systems of Force Systems of force acting on objectsin equilibrium can be classified as either concurrent or nonconcurrent and aseither coplanar or noncoplanar. This gives us four ... Read More

n Analysis of the Argon-Fluoride Excimer Laser and Its Application (1073 words, 5 pages)

The first report of a new type of excimer system came from Golde and Thrush atCambridge who observed characteristic bound-free transitions in ArCl produced byreacting argon metstables with chlorine in a flowing afterglow system. Atpresent the rare-gas halidel asers are undoubtedly the most important excimerlasers and are being actively developed ... Read More

An Introduction to the Electromagnetism in Today’s Society (594 words, 3 pages)

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

An Analysis of the Characteristics of Electrolytes, the Liquids That Conduct Electricity (614 words, 3 pages)

Electrolytes are liquids that conduct electricity. Most need to be dissolvedinto water or another solvent. Batterys have an electrolyte in them, eitheras a liquid or as a paste. Liquid electrolytes are used in electrolysis,electroplating, and other chemical processes. When electrolytes dissolve theyrelease positive and negative ions. The released ions carry ... Read More

Biology Essay Examples