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Earths History Essay Examples

8,385 total results
How Earth's Climate and Seasons Relate
Earth's Climate and Seasons: How Do They Relate?
The tilt, shape, rotation, revolution, and the energy received from the sun all share one relationship. They play major rolls in determining what the earths climate and seasons are.
First of all, the earths tilt effects these things, because as the earth revolves around the...
386 words
1 page
A Study on the Process of Ozone Depletion
I. The Ozone Layer The Earth's atmosphere is divided into several layers. The lowest region, the troposphere, extends from the Earth's surface up to about 10 kilometers (km) in altitude. The next layer, the stratosphere, continues from 10 km to about 50 km. Most atmospheric ozone is concentrated in a layer in the stratosph...
1,118 words
2 pages
The Search for Other Earths Beyond Earth
Earths Beyond Earth: The Search for Other Worlds In early 1990, the first extrasolar planet was detected, surprising everyone by its strangeness. More planets have now been discovered outside our solar system than in it. These planets present many great mysteries to the astronomical world. Extrasolar planets are planets...
1,256 words
3 pages
Closing of the Cretaceous Period Marked a Major Transition in Earth's History
The tertiary consisted of two main epochs. The Paleocene, the Eocene and the Oligocene, which make up the Paleogene; and the Miocene and Pliocene, which make up the Neogene. The close of the Cretaceous Period marked a major transition in Earths history. Ammonoids and marine reptiles disappeared from the sea. Marine taxa th...
1,373 words
3 pages
The Several Different Types of Observations That Support the Theory of Organic Evolution
The origins of mankind is an extremely controversial issue within todays society. Scientists have a host of different theories pertaining to mans inhabitance of earth. Many disagreements arise between scientists who have different beliefs pertaining to where and how mankind arose. One such argument is the conflict involving...
2,457 words
5 pages
A History of the Nation of Gods and Earths
Gray 1 As a teenager, I was very easily influenced. My eclectic mind made it easier for me to open up and a lot of different kinds of people. This was very important to me because I learned from experience to respect other people and their beliefs. The first time it was put to test is when I met my long time friend Coran....
1,132 words
3 pages
An Essay on Unsolved Mysteries about Our Solar System
Ancient times have it that a group of people of heritage called the Sumerians has documented information about a planet thats beyond Pluto in our solar system in a different orbit. They have it documented as the 12th planet because they counted Earths moon as a planet and also counts the sun. They counted every object in th...
1,141 words
3 pages
A Generalized Report on Geological Oceanography
The Ocean When we think of Earth we think of the land, the mountains, the trees and many other things that exist on land. In reality, when we think of Earth, we should think of the world ocean. The world ocean covers three-fourths of the Earths surface. The major goals of studying the ocean, known as oceanography, are to...
1,026 words
2 pages
The Greenhouse Effect
In the last 80 years the earths temperature has risen over half a degree. That may not sound much by if you consider that if the temperature rises 4 degrees, the global sea level will rise to 5m higher than it is today causing hundreds of coastal cities to be completely under water. This is caused partly by the amount of ca...
981 words
2 pages
An Analysis of the Contribution of Increased Carbon Dioxide in the Atmosphere to the Global Warming Problem
The problem is global warming caused by a build up of CO2 in the earths atmosphere. I read this article on the envirolink website at The author got their information from funding by NASA and the National Science Foundation, NCAR's primary sponsor. Also from an article in the magazine...
430 words
1 page
The Greenhouse Effect and the Globala Warming as the Causes for the Rise of Temperature
So, The Temperature Is Rising The earths climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the building up of greenhouse gases or global warming. These gasses are caused primarily from carbon dioxide, methane, and nitrous oxide and sulfate aerosols. The...
681 words
2 pages
A Study of Robert Frost's Poem "Birches"
"Birches" , by Robert Frost, is a symbolic poem about choices, the choices of heaven's truth, and earth's truth. The choices exists because when Frost had first experienced earth's truth he did not like what the senses convey, or can find no meaning in it, then the aspiration toward some kind of heaven became more...
3,080 words
7 pages
Role of Plate Tectonics in Creating Ocean Basins
Plate Tectonics is theory of global tectonics (geologic structural deformations) that has served as a master key in modern geology for understanding the structure, history, and dynamics of the earth's crust. The theory is based on the observation that the earth's solid crust is broken up into about a dozen semirigid plates....
519 words
1 page
An Analysis of Cat's Cradle is "Vonnegut's Most Highly Praised Novel"
Cat's Cradle is, "Vonnegut's most highly praised novel. Filled with humor and unforgettable characters, this apocalyptic story tells of Earth's ultimate end, and presents a vision of the future that is both darkly fantastic and funny, as Vonnegut weaves a satirical commentary on modern man and his madness" In Cat'...
913 words
2 pages
The Life and Contributions of Jean Bernard Leon Foucault
Jean Bernard Leon Foucault was a very instrumental scientist in history. Born on the 18th. of September 1819, in Paris. Foucault was born into a fairly wealthy family. As he grew up his father urged him to pursue a career in medicine. Foucault agreed, and began his medical studies. He soon became bored, and then tur...
429 words
1 page
A Description of Soil, Superficial Covering of Most of the Earth's Land Area
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 determined...
816 words
2 pages
The Expedition to the Centre of the Earth
It was the year 2056, Jonathan Burke, Sam Hiltz and I (Chris Landry) were setting up to go on the greatest expedition in the history of the world. We were going to travel to the centre of the earth. We had attempted the same thing about four years back, but due to some unfortunate incidences the expedition was postponed unt...
761 words
2 pages
An Analysis of the Earth's Climate Changes Since the Industrial Revolution
The earths climate is predicted to change because human activities are altering the chemical composition of the atmosphere through the build up of greenhouse gases primarily carbon dioxide, methane, and nitrous oxide. Energy from the sun drives the earths weather and climate, and heats the earths surface. This causes th...
731 words
2 pages
A Report on Global Warming
Global Warming Global warming is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased emission of greenhouse gases. Short-wave solar radiation sinks into the Earth's atmosphere and warms its surfa...
717 words
2 pages
A History of the Earths Population in the 20th Century
Earth Population
Our Earth has changed more dramatically in the 20th Century then in any other time period previous. During this time the health of our planet has also been both harmed and improved in dramatic ways. Two examples are that in this century, we have produced more air pollution then ever before, but our nature c...
424 words
1 page
A Lab Report on the Tectonic Plates of the Earth
Lab Report The structure of the earth is made up of many layers, but the crust and the upper mantle make up the lithosphere. The lithosphere is divided into individual sections called plates. The rest of the mantle makes up the asthenosphere. Convection in asthenosphere causes the plates to shift and move about. We can...
444 words
1 page
An Analysis of the Three Different Kinds of Tectonic Plates in the Earth's Layer
Techtonic Plates
Lab Report The structure of the earth is made up of many layers, but the crust and the upper mantle make up the lithosphere. The lithosphere is divided into individual sections called plates. The rest of the mantle makes up the asthenosphere. Convection in asthenosphere causes the plates to shift...
446 words
1 page
The Principle Events in the Evolution of the Earth's Atmosphere
The Principle Events In The Evolution Of The Earth's Atmosphere
The Principle Events in the Evolution of the Earth's Atmosphere
The literal translation of the word atmosphere is sphere of vapors. The Earth's atmosphere is a protective sphere of vapors, or air that surrounds the Earth and provides it with a layer of insulati...
659 words
1 page
Earthquakes: What Makes Them So Powerful and Terrifying?
What is an Earthquake?
An earthquake is a shaking of the ground caused by the sudden shifting of large sections
of the earth's crust. Earthquakes are one of the most powerful events on earth, and they can be
terrifying. A severe earthquake may release energy 10,000 times as great as that of the first
atomic bomb. Rock movem...
288 words
1 page
An Introduction to Earth's Poles
Near the Earth's poles a magnificent spectacle of shimmering colored light can sometimes be seen --- the aurora. The aurora is called the (Northern lights) and the aurora austrails (Southern lights); it can appear as bright as a full moon. The aurora usually appears near the Earth's poles, and more northerly (or southerly)...
299 words
1 page