Science Essays Examples For College & High School Students in PDF

14278 total results

An Analysis of the Earthquake Issues and the Prediction Overview (1169 words, 2 pages)

Earthquakes have plagued our lives for as long as people have inhabited the earth. These dangerous acts of the earth have been the cause of many deaths in the past century. So what can be done about these violent eruptions that take place nearly with out warning? Predicting an earthquake ... Read More

An Analysis of the Atmospheric Values and Geographical Positions (420 words, 2 pages)

Atmosphere Gas Nitrogen (most abundant), oxygen, carbon dioxide has the ability to absorb heat radiated by earth, water vaporAtmosphere pressure at sea level slightly more 1000 millibars, pressure decrease with altitudeAtmospheric carbon dioxide is transparent to incoming Short-Wavelength solar radiation. But it is not transparent to some of the Long ... Read More

An Analysis of the Creation of Hurricanes at North Atlantic Ocean (594 words, 1 pages)

Hurricanes get their start over the warm tropical waters of the North Atlantic Ocean near the equator. Most hurricanes appear in late summer or early fall, when sea temperatures are at their highest. The warm waters heats the air above it, and the updrafts of warm, moist air begin to ... Read More

An Analysis of the Complexity of the Coral Species (1499 words, 2 pages)

l reefs are one of natures most magnificent creations, filled with thousands of unique and valuable plants and animals. More than one quarter of all marine animals is dependent on coral reefs. Coral reefs are also a source of food and income for millions of people too. The coral reef ... Read More

An Analysis of the Experiment on Bean Growth (880 words, 2 pages)

For this experiment, I needed to plant some beans. I did this using plastic planting cups, potting soil, and beans provided by my professor. I also would need to set up my experiment, which I did by building saran wrap tee-pees. I used dowel rods to construct the basic frame ... Read More

An Analysis of the Bacterial Diversity and Antibiotic Resistance (1630 words, 3 pages)

In my introduction, I will discuss a bacterial diversity and antibiotic resistance. I will then go on to describe our experiments and results. I will then finish with a brief discussion of our results and my thoughts. Bacterial diversity and the evolution of antibiotic resistance is an amazing topic in ... Read More

The Most Important Engineering Feat in US Naval History (607 words, 1 pages)

The most important engineering feat on an U. S. Naval vessel is its watertight doors. Watertight doors do not move the ship through the water, nor do they act as any sort of weapon and they really do not contribute much to the ships main mission in general, but they ... Read More

Using Water Pressure in Hydroforming the Futuristic Creation of Steel Framing (1459 words, 4 pages)

Hydroforming the futuristic creation of steel framing using water pressureSince the beginning of the horse drawn carriage people have relied on some sort of vehicle to help transport them from one place to another. Although people may have taken these carriages for granted there was a definite science to the ... Read More

An Analysis of the Topic of the Life of a Material and Remedies Provided (1475 words, 4 pages)

5.Life of a material and remedies providedCorrosion is the electrochemical deterioration of a metal because of its chemical reaction with the surrounding environment. While new and better materials are continuously being developed, this progress is offset, in part, by a more aggressive operational environment. This problem is compounded by the ... Read More

The Great Involvement of Chemistry in the World of Engineering (3042 words, 4 pages)

In todays society chemistry is greatly involved in the world of engineering. Whether it is aerospace, mechanical, environmental or other engineering fields the makeup of substances is always a key factor which must be known. Engineering today has morphed from only dealing with the physical aspect of the field into ... Read More

The Life and Contributions of Anton Van Leeuwenhoek (580 words, 3 pages)

The biologist I chose to report on is Antony van Leeuwenhoek. Ichose to report on him because he made many great microscopicdiscoveries. Those discoveries include bacteria, free-living andparasitic microscopic protist, sperm cells, blood cells, and manyLeeuwenhoek was born on October 24, 1632, in Delft. Hismothers family were brewers and his ... Read More

An Analysis of Alexander Graham Bell’s Invention of the Telephone Grew Out of His Research into Ways To Improve the Telegraph (900 words, 2 pages)

Alexander Graham Bell's invention of the telephone grew out of his research into ways to improve the telegraph. His soul purpose was to help the deaf hear again. Alexander Graham Bell was not trying to invent the telephone, he was just trying to help out people in need. Young Alexander ... Read More

An Analysis of Galileo’s Work in the Starry Messenger (878 words, 2 pages)

I cannot recall its origin but there is an old adage that says ones way of thinking and speculating depends on hisher perspective. There is no need argue about its validity for I am sure everyone would agree from their own experience. With the adage said above, I would like ... Read More

An Analysis of the Topic of the Moon (418 words, 1 pages)

The Moon is the only natural satellite of Earth orbit 384,400 km from Earth diameter 3476 km mass 7.35e22 kg Called Luna by the Romans, Selene and Artemis by the Greeks, and many other names in other mythologies. The Moon, of course, has been known since prehistoric times. It is ... Read More

Uncovering the Mysteries of the Universe (1284 words, 3 pages)

It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can ... Read More

Stephen Hawking Tries to Discover the Secrets of the Universe (1664 words, 2 pages)

The history of the universe is one of the most perplexing subjects of all time. For years, people have looked up to the stars and wondered where does it end? Where do we come from? What of time travel? We have always watched science fiction movies on these subjects and ... Read More

Fun Facts About the Earth’s Moon (419 words, 1 pages)

The Moon is the only natural satellite of Earth orbit 384,400 km from Earth diameter 3476 km mass 7.35e22 kg Called Luna by the Romans, Selene and Artemis by the Greeks, and many other names in other mythologies. The Moon, of course, has been known since prehistoric times. It is ... Read More

An Analysis of the Geography of Mars, the Fourth Planet in the Solar System (487 words, 1 pages)

The planet Mars is nicknamed the god of war. The Planet probably got its name from its red color, Mars is sometimes called the red planet. Mars orbit is significant because it is elliptical. Mars average temperature is about -55C and at the winter poles it is almost about 27 ... Read More

A Report on the Hubble Space Telescope Project (1174 words, 3 pages)

The forty-three and a half foot long, twelve ton, one and a half billion dollar Hubble Space Telescope was launched into orbit on April 24,1990 (Macchetto, p. 125). The Hubble Space Telescope or HST has been the best way to look far into the universe ever since then. Ground-based telescopes ... Read More

An Essay on Jan Oort and Fritz Zwicky: The Dark Matter (809 words, 2 pages)

Two people have been credited for determining the need for dark matter. The first was astronomer Jan Oort, who back in 1932 measured the perpendicular motions of nearby stars relative to the disk of our galaxy. By studying the gravitational influence of the disk on these stars he was able ... Read More

A Study on Black Holes in the Galaxy (3000 words, 4 pages)

Every day we look out upon the night sky, wondering and dreaming of what lies beyond our planet. The universe that we live in is so diverse and unique, and it interests us to learn about all the variance that lies beyond our grasp. Within this marvel of wonders, our ... Read More

The Theory of the Existence of Black Holes in the Galaxy (1527 words, 2 pages)

Within our universe there are millions upon millions of galaxies. Humans have known the existence of stars since they have had eyes. The mystery does not lie within what we can see, but what we cannot see. The theory that black holes have existed is not new at all. All ... Read More

A Research on Two Cosmological Models: The Big Bang Theory and Steady State Model (1231 words, 3 pages)

The mystery of the beginning of our universe has puzzled mankind since the dawn of time. This mystery is especially relevant to astronomers, who construct hypotheses called cosmological models to try to find the answer to this ancient question. This paper will focus on two of these models The Big ... Read More

A Report on the Big Bang Theory (1437 words, 2 pages)

My report is about the Big Bang Theory. It contains three major points, which are the origin, how this theory was formed and my thoughts about the theory. First, I will start with how the Big Bang Theory came about.No one really knows how the solar system was formed. The ... Read More

A Research on the Marvelous Norther Lights and the Findings of Kristian Birkeland (1035 words, 2 pages)

The Northern Lights and Kristian BirkelandThe northern lights have inspired awe and reverence in people all throughout the northern latitudes. At their most impressive, they form an immense halo of pulsating light around the pole, stretching hundreds of kilometers out into space. People in the 18th century were unsure what ... Read More

A Study on Isaac Newton’s Law of Universal Gravitation (3030 words, 5 pages)

1) (A) Issac Newtons Law of Universal Gravitation is Two bodies attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. This means that the further apart these two attracting bodies are ... Read More

A Comparison of Astronomy and Astrology (563 words, 2 pages)

One similarity that exists between astrology and astronomy is the way in which they originated. Astronomy originated in the ancient world when people began to notice that heavenly bodies moved in a specific, consistent motion. The more people understood about the movement of the heavenly bodies, the easier it was ... Read More

Attempting to Explain When the Evolution of Humanity All Started (718 words, 2 pages)

When did the evolution of humanity all start? Were apes our ancestors? In the past early man used to communication through telling stories, painting and drawing on cave walls, using simplified symbols. The human mind developed its capability as its needs for comfort grew. Our achievement has been remarkable. The ... Read More

A History of the Human Evolution (1494 words, 3 pages)

Human evolution, the biological and cultural development of the species Homo Sapiens, or human beings. A large number of fossil bones and teeth have been found at various places throughout Africa, Europe, and Asia. It gives idea of human evolution during past 4 million to 5 million years. From a ... Read More

A Report on Lucy, a Member of the Australopithecus Afarensis Species (313 words, 2 pages)

Lucy was found by Donald C. Johanson Ph.D. and Tom Gray on November 30th 1974, inthe Hadar Region in Ethiopia and was named after the song Lucy in the Sky WithDiamonds. She is special because she lived just less than 3.18 million years and becauseabout 40 of her skeleton was ... Read More

Science Essay Examples