Introduction to Earth Science
This HD dramatic video choreographed to powerful music introduces the viewer/student to the wonder of Earth Science. It is designed as a motivational trailer to be shown in classrooms by Earth Science and Physical Science teachers in middle, high school and college as a visual Introduction to the beauty and complexity of the planet Earth.
Music is Imperatrix Mundi by Jo Blankenburg
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What is Earth Science?
A quick look at the field of Earth Science, including the three main areas of study including astronomy, meteorology, and geology.
10 Scientifically Impossible Places That Actually Exist
The Seven Wonders of the Natural World may have been named too quickly. Wonders like The Grand Canyon and Victoria Falls are certainly big, and anyone who sees them will surely be impressed—but sheer size isn’t enough to truly leave a person in awe.
There are other places in this world, though, that are far stranger. Places that seem almost alien, as if they could only exist on a planet that evolved separately from our own. These are places that scientists have had to struggle just to understand how they ever could have been formed. Places that will truly make you wonder—not just because they’re beautiful, but because they seem to follow scientific laws that don’t exist anywhere else on earth. Here are 10 Scientifically Impossible Places That Actually Exist
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How Was the Earth Formed? How Life Started on Earth | History of Earth in Hindi
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Solar System History : How Was the Earth Formed? in Hindi/urdu | History of Earth | Origin of earth theory | birth of the earth how the earth was made
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution.approximately 13.8 billion years ago After the initial expansion, the universe cooled sufficiently to allow the formation of subatomic particles, and later simple atoms. Giant clouds of these primordial elements later coalesced through gravity to form stars and galaxies.
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The History of Earth - How Our Planet Formed - Full Documentary HD
In the very beginning of earth's history, this planet was a giant, red hot, roiling, boiling sea of molten rock - a magma ocean. The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet. As the collisions tapered off the earth began to cool, forming a thin crust on its surface. As the cooling continued, water vapor began to escape and condense in the earth's early atmosphere. Clouds formed and storms raged, raining more and more water down on the primitive earth, cooling the surface further until it was flooded with water, forming the seas.
It is theorized that the true age of the earth is about 4.6 billion years old, formed at about the same time as the rest of our solar system. The oldest rocks geologists have been able to find are 3.9 billion years old. Using radiometric dating methods to determine the age of rocks means scientists have to rely on when the rock was initially formed (as in - when its internal minerals first cooled). In the infancy of our home planet the entire earth was molten rock - a magma ocean.
Since we can only measure as far back in time as we had solid rock on this planet, we are limited in how we can measure the real age of the earth. Due to the forces of plate tectonics, our planet is also a very dynamic one; new mountains forming, old ones wearing down, volcanoes melting and reshaping new crust. The continual changing and reshaping of the earth's surface that involves the melting down and reconstructing of old rock has pretty much eliminated most of the original rocks that came with earth when it was newly formed. So the age is a theoretical age.
When Did Life on Earth Begin?
Scientists are still trying to unravel one of the greatest mysteries of earth: When did life first appear and how did it happen? It is estimated that the first life forms on earth were primitive, one-celled creatures that appeared about 3 billion years ago. That's pretty much all there was for about the next two billion years. Then suddenly those single celled organisms began to evolve into multicellular organisms. Then an unprecedented profusion of life in incredibly complex forms began to fill the oceans. Some crawled from the seas and took residence on land, perhaps to escape predators in the ocean. A cascading chain of new and increasingly differentiated forms of life appeared all over the planet, only to be virtually annihilated by an unexplained mass extinction. It would be the first of several mass extinctions in Earth's history.
Scientists have been looking increasingly to space to explain these mass extinctions that have been happening almost like clockwork since the beginning of living time. Perhaps we've been getting periodically belted by more space rocks (ie. asteroids), or the collision of neutron stars happening too close for comfort? Each time a mass extinction occurred, life found a way to come back from the brink. Life has tenaciously clung to this small blue planet for the last three billion years. Scientists are finding new cues as to how life first began on earth in some really interesting places - the deep ocean.
Our Story in 6 Minutes
I have compressed billions of years into 6 minutes. This is our story as revealed by science.
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Naked Science - Birth of the Earth
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How did the Earth evolve to support life.
Our planet now supports a huge diversity of living creatures requiring very special conditions, but what was the series of events that brought this unique set of conditions together? What did it take to make a world that would support human life? Naked Science takes an imaginary ‘human’ time traveller on a journey back to the moment of formation of our solar system. We meet the scientists who are carrying out their own detective work, uncovering the clues around the world today into what our planet was like 4 and a half billion years ago.
Our journey begins with the astonishing story of how a giant cloud of interstellar dust and gas collapsed to form the sun and planets. We discover that the intense heat of the early Earth created a molten iron core. This generated a magnetic shield around our planet that protects us, to this day, from the sun’s deadliest particles.
Many of the features we take for granted on our living planet were forged in the most violent event in our planet’s history. Early in its life, the Earth collided with another planet. Planetary Scientist Robin Canup has modelled the impact using supercomputers. She reveals that the resulting fireball was so energetic it melted the Earth and created the moon. This dramatic impact gave us our tides and seasons.
We wouldn’t have life today without water. But where our water came from is a mystery that has long puzzled scientists. At a NASA research laboratory, Michael Zolensky studies a recently discovered meteorite that supports the view that water came from space.
For the first half of its history the Earth had an atmosphere of methane and carbon dioxide we would find impossible to breathe. One clue as to how the earth acquired its oxygen can be found in Australia. Shark Bay in Western Australia is home to strange bacterial mounds called stromatolites. The bacteria in these objects are pumping out oxygen. A few hundred miles away geologist Martin Van Kranendonk shows us a fossil stromatolite, the world’s oldest fossil. The evidence suggests that these strange objects are responsible for creating the air we breathe.
Secrets Of Earth : Hindi Documentary
Secrets Of Earth : Hindi Documentary
Earth is the third planet from the Sun and the only object in the Universe known to harbor life. According to radiometric dating and other sources of evidence, Earth formed over 4 billion years ago. Earth's gravity interacts with other objects in space, especially the Sun and the Moon, Earth's only natural satellite. Earth revolves around the Sun in 365.26 days, a period known as an Earth year. During this time, Earth rotates about its axis about 366.26 times.[n 5]
Earth's axis of rotation is tilted, producing seasonal variations on the planet's surface. The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation. Earth is the densest planet in the Solar System and the largest of the four terrestrial planets.
Earth's lithosphere is divided into several rigid tectonic plates that migrate across the surface over periods of many millions of years. About 71% of Earth's surface is covered with water, mostly by oceans. The remaining 29% is land consisting of continents and islands that together have many lakes, rivers and other sources of water that contribute to the hydrosphere. The majority of Earth's polar regions are covered in ice, including the Antarctic ice sheet and the sea ice of the Arctic ice pack. Earth's interior remains active with a solid iron inner core, a liquid outer core that generates the Earth's magnetic field, and a convecting mantle that drives plate tectonics.
Within the first billion years of Earth's history, life appeared in the oceans and began to affect the Earth's atmosphere and surface, leading to the proliferation of aerobic and anaerobic organisms. Some geological evidence indicates that life may have arisen as much as 4.1 billion years ago. Since then, the combination of Earth's distance from the Sun, physical properties, and geological history have allowed life to evolve and thrive. In the history of the Earth, biodiversity has gone through long periods of expansion, occasionally punctuated by mass extinction events. Over 99% of all species that ever lived on Earth are extinct. Estimates of the number of species on Earth today vary widely; most species have not been described. Over 7.4 billion humans live on Earth and depend on its biosphere and natural resources for their survival. Humans have developed diverse societies and cultures; politically, the world has about 200 sovereign states.
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Layers of the Earth for Kids | #aumsum #kids #education #layers #earth
Layers of Earth.
Many years ago, when Earth was formed, it was very hot.
Rains and thunderstorms cooled the outer portion and different life forms started originating on the earth.
The outer cool layer on which we live is called Crust.
Earth's crust is covered with landforms, air and water.
After crust, the next layer is Mantle.
Mantle is the layer below the crust. Mantle is very hot. Mantle consists of rocks in molten form.
The Core is located just below the Mantle.
Core is divided into two parts, outer core and inner core.
The outer core is in liquid state.
The inner core is in solid state.
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Earth Science: Crash Course History of Science #20
It's Earth Science time!!!! In this field, natural philosophers were asking questions like, what’s up with fossils? Are they the remains of extinct organisms? Or are they so-called “sports of nature”—rocks that just happen to look like living things but don’t /mean/ anything? And most importantly, how old is… everything?
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EARTH BORN STORY | Tamil | Science and Tech Tamil
This is earth science video. This is related to space science part of our channel
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Flat Earth Science - Gravity Not a Real Force, Globe Doesn't Exist
A 'force' of gravity is not required on flat earth. Globe earth gravity is not a measurable physical force. f=ma is an abstract measurement of distance over time. Weight is a physical force that's not accelerating. Gravity on flat earth is simply dense mass in a less dense medium.
100 Greatest discoveries Earth science
How The Sahara Desert Was Made Documentary ✪ Earth Science Channel HD
We always have to keep in mind that a Documentary, after all, can tell lies and it can tell lies because it lays claim to a form of veracity which fiction doesn't. Some of the documentaries are made just to discredit some particular person, party, organization, system etc, but most of them here on TDF are non biased, without prejudice and worth watching.
... The American Geological Institute (AGI) is a nonprofit federation of 45 geoscientific and professional associations that represents more than 120,000 geologists, geophysicists, and other earth scientists.
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Founded in 1948, AGI provides information services to geoscientists, serves as a voice of shared interests in our profession, plays a major role in strengthening geoscience education, and strives to increase public awareness of the vital role the geosciences play in society's use of resources, resilience to natural hazards, and the health of the environment.
Earth science (also known as geoscience, the geosciences or the Earth sciences), is an all-embracing term for the sciences related to the planet Earth. It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and holistic approaches to Earth science.
There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy. These major disciplines use physics, chemistry, biology, chronology and mathematics to build a quantitative understanding of the principal areas or spheres of the Earth system.
The following fields of science are generally categorized within the geosciences:
- Geology describes the rocky parts of the Earth's crust (or lithosphere) and its historic development. Major subdisciplines are mineralogy and petrology, geochemistry, geomorphology, paleontology, stratigraphy, structural geology, engineering geology and sedimentology.
- Geophysics and Geodesy investigate the figure of the Earth, its reaction to forces and its magnetic and gravity fields. Geophysicists explore the Earth's core and mantle as well as the tectonic and seismic activity of the lithosphere.
- Soil science covers the outermost layer of the Earth's crust that is subject to soil formation processes (or pedosphere). Major subdisciplines include edaphology and pedology.
- Oceanography and hydrology (includes limnology) describe the marine and freshwater domains of the watery parts of the Earth (or hydrosphere). Major subdisciplines include hydrogeology and physical, chemical, and biological oceanography.
- Glaciology covers the icy parts of the Earth (or cryosphere).
- Atmospheric sciences cover the gaseous parts of the Earth (or atmosphere) between the surface and the exosphere (about 1000 km). Major subdisciplines are meteorology, climatology, atmospheric chemistry and atmospheric physics.
- A very important linking sphere is the biosphere, the study of which is biology. The biosphere consists of all forms of life, from single-celled organisms to pine trees to people. The interactions of Earth's other spheres - lithosphere/geosphere, hydrosphere, atmosphere and/or cryosphere and pedosphere - create the conditions that can support life.
HELL Found At Bottom Of Deepest Hole On Earth?!
The Kola Borehole is the deepest point on Earth that is also man-made. Recently scientists have discovered a few breakthroughs that lie within it.
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Introduction to Earth Science
The video reviews the basic skills and concepts of Regents Earth Science.
004 - The Atmosphere
In this video Paul Andersen explains how the atmosphere surrounds the planet. The state of the atmosphere is climate and is affected by unequal heating, the Coriolis Effect, and the ocean. Convection cells and ENSO are discussed in detail.
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“Biome.” Wikipedia, the Free Encyclopedia, August 20, 2015.
Bjankuloski06en, Latitude_and_Longitude_of_the_Earth svg: Djexploderivative work: Македонски: Илустрација На Географската Ширина И Должина На Земјата., February 9, 2013. This file was derived from: Latitude and Longitude of the Earth.svg:
Brown Cone, n.d.
domain, Robert Simmon, NASA Minor modifications by Robert A. Rohde also released to the public. English: This Map Shows the Pattern of Thermohaline Circulation, March 29, 2008. NASA Earth Observatory.
“Earth - Free Shapes Icons.” Flaticon. Accessed August 29, 2015.
en.wikipedia, National Weather Service JetStream Original uploader was Thegreatdr at. English: Cross Section of the Two Main Jet Streams, by Latitude, May 8, 2008.
“Hadley Cell.” Wikipedia, the Free Encyclopedia, August 15, 2015.
Lilly, Florence. English:, February 28, 2013.
“Mountain Summit - Free Nature Icons.” Flaticon. Accessed August 29, 2015.
NOAA. NOAA Continental US Weather Forecast Map for Election Day 2012-18-8, [object HTMLTableCellElement]. date 08-18-12.
“Ocean Current.” Wikipedia, the Free Encyclopedia, July 23, 2015.
Olsen, Arctic light-Frank. English: Camera: Canon EOS 5D Mark III, September 1, 2013. Own work.
Oyster, Fred the. English: ENSO/El Niño State., September 7, 2014. Own work.
———. English: ENSO Normal State., September 7, 2014. Own work.
“Ozone Depletion.” Wikipedia, the Free Encyclopedia, August 28, 2015.
Tauʻolunga. English: The Earth at the Start of the 4 (astronomical) Seasons as Seen from the North and Ignoring the Atmosphere (no Clouds, No Twilight)., July 7, 2006. Own work.
“The Blue Marble.” Wikipedia, the Free Encyclopedia, July 26, 2015.
Discovering Earth: science meets art | Natural History Museum
Join planetary geologist Joe Michalski and #Otherworlds artist Michael Benson as they explain how space exploration sheds light on the delicate beauty of life on Earth. See more of Michael Benson's in Otherworlds: Visions of our Solar System: