13 results found, view free essays on page:
-
Hurricanes And Typhoons Uv Radiation Air
332 wordsAir surrounds the Earth, giving it protection from the constant battering of meteorites. It provides a shield against the UV radiation of the sun so that the organisms can survive. It also makes itself available to be breathed in by animals. Yes, we need the air, otherwise known as the atmosphere; or else wed be nothing. However, the atmosphere can have its ugly side. Tornados, hurricanes and typhoons move through things we have painstakingly built, clearing it all away. They sometimes even take...
Free research essays on topics related to: hurricanes, uv radiation, meteorites, radiation, oxygen -
One Of The Most Important Desalination Plants
910 wordsNickel is one of the most important elements on the periodic table. It has plenty of history, as well as a huge importance to society. Its has unique chemical, physical, and geological properties. Nickel is used commercially in abundance, as it is used anywhere from simple art products such as ceramics to complex structures such as tubing for desalination plants. It is even used in the American five-cent coin, the "nickel." Nickel was discovered by Axel Fredrik Cronstedt, in Sweden, during the y...
Free research essays on topics related to: five percent, desalination plants, one of the most important, five cent, periodic table -
Earths Crust Earths Magnetic
1,642 wordster> What is the evidence for our knowledge of the internal structure of the Earth? As we enter the twenty first century we are beginning to learn more and more about the composition of the Earth. Early predictions have thrown up some rather strange and peculiar thoughts as to what is making up our Earth, but now days scientists can be confident that the Earth is made up of what they think. As from experiments and other sources of information a picture to what is really down there is b...
Free research essays on topics related to: s waves, earths crust, earths magnetic, p waves, magnetic field -
Earth Atmosphere Years Ago
1,031 wordsH. G. Wells wrote in his book, "War of the Worlds", about Martian invasion toward earth. He mentioned, "No one would have believed, in the last years of the nineteenth century that this world was being watched keenly and closely by intelligences greater than man's and yet as mortal as his own; that as men busied themselves about their various concerns they were scrutinized and studied, perhaps almost as narrowly as man with a microscope might scrutinize the transient creatures that swarm and mul...
Free research essays on topics related to: earth atmosphere, years ago, mars, bacteria, million years -
Life On Mars Electron Microscope
1,080 words... ite burning up upon entry into the earth's atmosphere vaporizing PAHs near the surface. "No PAHs were found in the meteorite's exterior crust, but the concentration of PAHs increased in the meteorite's interior to levels higher that ever found in Antarctica" Also the concentration of PAHs is greater that what would have been in the atmosphere at the time impacted. Again this makes the source more likely to be extraterrestrial. PAHs that occur in other meteorites within the galaxy their sourc...
Free research essays on topics related to: 1997 v, science news, electron microscope, x ray, life on mars -
Force Of Gravity Plantation Owner
1,300 words"Late every autumn around November 17 th or 18 th, in the still, silent hours before dawn, dedicated meteor watchers have long kept a vigil. In the cold early morning darkness the sky glimmers with a preview of early spring constellations. Leading them up in the east is Leo. Its familiar Sickle asterism, a backward question mark, seems especially full of meaning these nights, for on the cutting edge of the Sickle's curved hook is the radiant of the greatest of all meteor showers" (Roe). The Leon...
Free research essays on topics related to: plantation owner, solar system, force of gravity, early morning, 25 years -
Gas And Dust Nuclear Fusion
991 wordsAn Introduction to World History. "Any scientist, I think, will agree that in a hundred years time, many of the details of the story we tell now may look kind of cute and naive, because well have moved on beyond them. But if you happen to live now, " he concludes, "this is the best story going. " said David Christians and it is really true. We lived in a beautiful world but dont know a lot about cosmology, geology, archeology, and population and environmental studies. Today with the help of Davi...
Free research essays on topics related to: world history, billion years, solar system, gas and dust, nuclear fusion -
Permian Extinction Mass Extinction
537 wordsThe Mother of All Extinctions The article deals with the question that has been argued about by biologists and geologists for many years now. In the history of Earth, there were a number of mass extinction events that left their track in the geological record. This particular article addresses the largest one that ever happened, The Permian extinction which took place about 250 million years ago and destroyed 90 % of all living forms on Earth. Until recent time, the Permian extinction was not so...
Free research essays on topics related to: collision, mass extinction, permian extinction, great amount, extinction -
Planet From The Sun Center Of The Universe
2,375 wordsAssignment 1: The Solar System The solar system consists of the Sun; the nine planets, 67 satellites of the planets and a large number of small bodies (comets and asteroids). The inner solar system contains the Sun, Mercury, Venus, Earth and Mars: The planets of the outer solar system are Jupiter, Saturn, Uranus, Neptune and Pluto: The orbits of the planets are ellipses with the Sun at one focus, though all except Mercury and Pluto are very nearly circular. The orbits of the planets are all more...
Free research essays on topics related to: gravitational force, surface temperature, solar system, center of the universe, planet from the sun -
Earths Crust Iron Ore
632 wordsFe While Iron Iron Fe While my study on iron i found that iron is actually an important element. I always thought of it as just a metal but it has many other uses. While reading this report you will learn about these uses. You will also learn about Irons properties and where iron is found. Irons Facts And History Irons symbol is Fe, It is a silvery white metal. Irons symbol comes from the latin word ferrum The atomic number of iron is 26; iron is one of the transition elements. Metallic iron was...
Free research essays on topics related to: earths crust, iron ore, iron, physical properties, ore -
Lava Flows Earths Atmosphere
2,015 wordsThe Mercury Report Mercury Report The magnificent planet Mercury is the planet I have chosen to research. I this report I have explained all there is to know about Mercury and its aura. The Romans gave Mercury its name after the fleet-footed messenger of the gods because it seemed to move quicker than any other planet. It is the closest planet to the Sun, and second smallest planet in the solar system. Its diameter is 40 % smaller than Earth and 40 % larger than the Moon. It is even smaller than...
Free research essays on topics related to: space shuttle, high density, magnetic field, lava flows, earths atmosphere -
Kilometers In Diameter Mitral Valve
1,169 wordsReading Response Researchers have now concluded that a heart defect, called mitral valve prolapse is not as dangerous as it was previously pronounced. The defect is far less common and dangerous, only effecting about 5 percent of Americans. The syndrome, which is caused by the mitral valve flaps becoming elongated and floppy, letting blood flow backwards into the heart chamber. The defect may require surgery to prevent sudden death, stroke, heart failure, and abnormal heart rhythms that cause fa...
Free research essays on topics related to: three categories, million miles, mitral valve, kilometers in diameter, heart failure -
Gas And Dust Solar System
893 wordsOrigin Of The Solar System For more than 300 years there has been serious scientific discussion of the processes and events that led to the formation of the solar system. For most of this time lack of knowledge about the physical conditions in the solar system prevented a rigorous approach to the problem. Explanations were especially sought for the regularity in the directions of rotation and orbit of objects in the solar system, the slow rotation of the Sun, and the Titles-Bode law, which state...
Free research essays on topics related to: solar system, gas and dust, planets, nebula, solar
13 results found, view free essays on page:
