Essays Tagged: "Plate tectonics"

Ecosystems of Hydrothermal Vents

acteriaA group of scientists were searching for hydrothermal vents in order to find moreevidence on plate tectonics when they made a startling discovery. Their discoveryrevolutionized the way the worl ...

(1 pages) 53 0 3.5 Feb/1997

Subjects: Science Essays > Biology

The forever shifting earth

The land below us is always in motion. Plate tectonics studies these restless effects to give us a better understanding of the Earth and it ... arth in deep ocean trenches through convection current. The convection current in the mantle drives plates around either against or away from each other. These collisions give rise to earthquakes, vol ... rise to earthquakes, volcanoes, mountains, and continental drift. The crashing and spreading of the plates forms the landscape of the Earth as we see it today. The positions of the land masses today i ...

(11 pages) 225 0 5.0 Dec/1995

Subjects: Science Essays > Earth Sciences

Geothermal Energy

d layer of the earth called the lithosphere. The lithosphere is divided into seven main continental plates. These continental plates are constantly moving on a viscous base. The viscosity of this base ... ase. The viscosity of this base is a function of the temperature. The study of shifting continental plates is called Plate Tectonics. Plate Tectonics allows scientists to locate regions of geothermal ...

(19 pages) 219 1 4.8 Sep/1996

Subjects: Science Essays > Chemistry

Continental Drift: Exploring the Theory.

magnetism, paleoglaciation, and paleoclimatology evidence all are valid pieces of evidence that the plates on the earth are in fact drifting.Close examination of a globe often results in the observati ... g and growing, a soon-to-be fact.Bibliography1) Sharron Sample, On the Move.. Continental Drift and Plate Techtonics. http://kids.earth.nasa.gov/archive/pangaea/. Viewed December 1, 2002.2) Continenta ...

(3 pages) 52 0 3.5 Jun/2003

Subjects: Science Essays > Earth Sciences

Plate Tectonics.

Plate TectonicsBy **********, ************Plate tectonics are a somewhat new method of analysis that ... s that has radically changed the way geologists think about the Earth. According to the new theory, Plate tectonics, the surface of the Earth is broken into several differently, and large, sized plate ... e Earth is broken into several differently, and large, sized plates. The size and position of these plates change over time due to earthquakes, the plates colliding, etc, but we will explain this late ...

(3 pages) 142 1 2.2 Nov/2003

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

The Role of Plate Tectonics, In Natural Disasters on the West Coast: How the Great Alaskian Earthquake, Eruprion of Mt. St. Hellens, and the Loma Prieta Earthquake are connected.

The Role of Plate TectonicsIn Natural Disasters on the West CoastOn March 27, 1964 an earthquake shook Anchorage ... like a war zone.2The cause of the "Great Alaskan earthquake" was the result of the movement of huge plates of the earth's surface. In this case the Pacific Plate containing the Pacific Ocean was being ... this case the Pacific Plate containing the Pacific Ocean was being pushed under the North American Plate. This kind of subduction causes the largest and deepest earthquakes known.3 The end result was ...

(8 pages) 157 5 4.4 Dec/2003

Subjects: Science Essays > Earth Sciences

Earthquakes

quake will happen.A mid-ocean ridge occurs under the sea at a divergent boundary. This is where two plates are been pulled apart because of tension. This then allows new oceanic crust to be made in th ... st to be made in the divergent boundary, as magma rises and eventually sets on the sea floor.If the plates on either side of the divergent boundary continue to spread then the ocean slowly becomes lar ...

(6 pages) 143 0 4.8 Feb/2004

Subjects: Science Essays

The Assam Earthquake

rth. Put out your hand. Look at any one of your finger nails and watch it grow. This is what plate tectonics looks like! Plate tectonics is practically invisible to use in our daily life ... s ESE of Sangsik, India, stones on the road started vibrating. Soon after, sections of the Shillong Plateau shifted 16 meters. This earthquake destroyed towns in Assam and Meghalays, also known ...

(2 pages) 25 0 4.6 May/2004

Subjects: Science Essays > Earth Sciences

Planet Earth (SCI350 Astronomy)

crusts: seafloor and continental. These two crusts are a result of Earth's unique process known as plate tectonics; ours is the only planet known to have this special feature. Radioactive decay keeps ... planet known to have this special feature. Radioactive decay keeps Earth's center hot which causes plate tectonics. These giant conveyor belts of Earth's lithosphere recycle seafloor crust, which eve ...

(3 pages) 101 0 5.0 Jul/2005

Subjects: Science Essays > Earth Sciences

The San Francisco earthquake of April 18, 1906.

t and recognition of its large cumulative offset would not be fully appreciated until the advent of plate tectonics more than half a century later. Analysis of the 1906 displacements and strain in the ... hter scale. Its center was just off the coast, around Pacifica. Two of the world's largest tectonic plates, the North American and the Pacific, had lurched past each other at a distance of between nin ...

(4 pages) 41 1 4.0 Jan/2006

Subjects: Science Essays > Earth Sciences

Meteorologist: Alfred Wegener

he Origin of Continents and Oceans. This work was one of the first to suggest continental drift and plate tectonics. He suggested that a supercontinent he called Pangaea had existed in the past, broke ... tions, and apparent polar wandering as it rearranges Earth's geography.Geologists call the process "plate tectonics," after the large moving plates that form the planet's outer shell. These plates car ...

(15 pages) 45 0 0.0 Mar/2006

Subjects: Science Essays > Earth Sciences > Meteorology

Plate Tectonics: History

The most carefully researched topic is the history of the plate tectonic revolution throughout the centuries. Plate tectonic theories have been researched sin ... andmass that slowly drifted to today's world. Studies show that through the years, the sides of the plates are either being created or destroyed in its size and shapes. At the at hand time, the mechan ... ed by the transfer of heat energy or convection in the earth's mantle. Ice ages are also due to the plate tectonics. Geological forces include continental drift, volcanoes, earthquakes, mountain build ...

(2 pages) 52 0 4.5 Apr/2006

Subjects: Science Essays > Earth Sciences

Plate Tectonics

e lithosphere or also know as the Earth's surface, is broken into sections, or uneven pieces called plates, also known as tectonic plates. These plates are called African, North American, South Americ ... es are called African, North American, South American, Eurasian, Australian, Antarctic, and Pacific plates.Earthquakes, the origin of mountain belts, the origin of sea floor topography, the distributi ...

(4 pages) 86 0 5.0 Oct/2006

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

Rocks

h's surface is subject to constant change. Some of this is driven by sub-surface processes such as, plate tectonics, folding, faulting and volcanic activities, which tend to raise the surface. However ... al structure, appearance and properties. Sedimentary and metamorphic rocks at the edges of tectonic plates are subducted back into the mantle, where they are melted and can eventually be released as m ...

(2 pages) 54 0 5.0 Jan/2007

Subjects: Science Essays > Earth Sciences > Geology & Geosciences

Essay On The Evidence That Supports The Theory Of Continental Drift And Plate Tectonics

orologist Alfred Wegener in 1915. This theory did not seem credible until it was connected with the plate tectonic theory in the mid 1960's. The Tectonic plate theory had an advantage over previous pr ... eption of places such as Hawaii and other small islands. This puzzled scientists until the tectonic plate theory was introduced. The theory supposes that destructive plate boundaries and hot spots can ...

(3 pages) 30 0 0.0 Aug/2001

Subjects: Science Essays > Environmental Science

Convection

iques that put pressure on the layered pieces of clay. These forces had to either push or pull like plate tectonics. The clay was pulled apart, pushed inward going up and pushed inward going down.Anal ... en the clay was pushed in it either created a mountain (volcano) or a hole in the ground. On earth, plate techtonics create forces which are caused by convection currents. Under the ground magma is ca ...

(2 pages) 1746 0 3.0 Sep/2001

Subjects: Science Essays > Chemistry

Continental drift

s seeking to explain the phenomenon of polar wandering revived it. Since then, the modern theory of Plate Tectonics has evolved from and replaced Wegener's original thesis.Plate Tectonics is the theor ... tructure, history, and dynamics of the earth's crust. The earth's crust is formed of 13 continental plates. The boundaries of the zones are where tectonic activities occur, and where earthquakes and v ...

(3 pages) 25 0 3.0 Feb/2008

Subjects: Science Essays > Environmental Science

The Geomorphology of the Moon Mountain Area We started off

nt event. The pre-rifting stage commenced with an asthenospheric hot spot forming under the Arabian plate. Asthenospheric hot spots are areas underneath the lithosphere where molten rock builds up and ...

(2 pages) 1877 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

A World Without Friction

that probably don’t come readily to mind are the effects on the human body, thermodynamics and plate tectonics. Without friction, many functions of the human body would not work. Procreation woul ... tes heat, without friction there would be no heat, therefore, no laws of Thermodynamics (Goulding). Plate tectonics would also be drastically altered in the absence of friction. Currently the plates t ...

(3 pages) 9432 0 4.5 Nov/2008

Subjects: Science Essays > Physics

Earthquakes - Written for Geology 101 at University of Phoenix

esThe Red Sea is an example of Divergent Margins. Divergent margins are a result of twolithospheric plates that move apart. These Divergent Margins can occur either in continental or oceanic crust.Sch ... part. These Divergent Margins can occur either in continental or oceanic crust.Schematic diagram of plate divergence. U.S. Geological Survey image.A divergent zone happens when the plates are pulled a ...

(5 pages) 42 0 0.0 Sep/2010

Subjects: Science Essays > Earth Sciences > Geology & Geosciences