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Earth science

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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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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.
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Why Earth Science

The earth sciences are central to all aspects of life - get a quick glimpse in this 6 min video.

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.
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Geology

003 - Geology

In this video Paul Andersen explains how rock is formed and changed on the planet. The video begins with a brief description of rocks, minerals, and the rock cycle. Plate tectonics is used to describe structure near plate boundaries. Hot spots and natural hazards (like volcanos, earthquake, and tsunamis) are included.

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Music Attribution

Intro
Title: I4dsong_loop_main.wav
Artist: CosmicD
Link to sound:
Creative Commons Atribution License

Outro
Title: String Theory
Artist: Herman Jolly


All of the images are licensed under creative commons and public domain licensing:
Benbennick, David. English: This Is a Locator Map Showing Kalawao County in Hawaii. For More Information, See Commons:United States County Locator Maps., February 12, 2006. Own work: English: The maps use data from nationalatlas.gov, specifically countyp020.tar.gz on the Raw Data Download page. The maps also use state outline data from statesp020.tar.gz. The Florida maps use hydrogm020.tar.gz to display Lake Okeechobee.
“Earth.” Wikipedia, the Free Encyclopedia, August 23, 2015.
File:Hawaiien (volcano).svg, n.d.
File:Structure Volcano Unlabeled.svg, n.d.
Fir0002. A Diagram of the Rock Cycle That Is Modified off of Rockcycle.jpg by User:Woudloper. The Changes Made to This Photo Were Made according to the Conversation at Where the Original Is Being Nominated for Featured Picture Status. It Is Very Important That You Change the Chance of You Getting a Rock of Bandshoe Very Rare Rock Very Costly Too There Are Only 3 Every like It in the World and It Costs 3 Gold Mines and the Mountains Ontop of Them., February 10, 2008. Own work.
“Gneiss.” Wikipedia, the Free Encyclopedia, July 29, 2015.
Gringer. English: SVG Version of File:Pacific_Ring_of_Fire.png, Recreated by Me Using WDB Vector Data Using Code Mentioned in File:Worldmap_wdb_combined.svg., February 11, 2009. vector data from [1].
H.Stauffer, Brian F. Atwater, Marco Cisternas V. , Joanne Bourgeois, Walter C. Dudley, James W. Hendley II, and Peter. English: Vertical Slice Through a Subduction Zone, 1999. U.S. Geological Survey, Circular 1187 (
Karta24. Français : Trois Différents Types de Faille, January 20, 2008. earthquake.usgs.gov.
Khruner. English: commons.wikimedia.org/wiki/File:Rocks_-_Pink_granite_Baveno.JPG.
“Landslide.” Wikipedia, the Free Encyclopedia, August 27, 2015.
“Landslide.” Wikipedia, the Free Encyclopedia, August 27, 2015.
“Mount St. Helens.” Wikipedia, the Free Encyclopedia, August 8, 2015.
“Plate Tectonics.” Wikipedia, the Free Encyclopedia, August 17, 2015.
“Ring of Fire.” Wikipedia, the Free Encyclopedia, August 20, 2015.
“Tsunami.” Wikipedia, the Free Encyclopedia, July 19, 2015.
User:Moondigger. Inside Lower Antelope Canyon, Looking out with the Sky near the Top of the Frame. Characteristic Layering in the Sandstone Is Visible., April 16, 2005. Own work.
USGS, derivative work: AnasofiapaixaoEarth_internal_structure png: English: Cutaway Diagram of Earth’s Internal Structure (to Scale) with Inset Showing Detailed Breakdown of Structure (not to Scale), April 27, 2013. Earth_internal_structure.png. work.

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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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.[24][25][26] 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.[27] The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation.[28] 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.[29] 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.[30][31] 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[32] that ever lived on Earth are extinct.[33][34] Estimates of the number of species on Earth today vary widely;[35][36][37] most species have not been described.[38] 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.


I created this video with the YouTube Video Editor (

2018-ல் பூமிக்கு வரும் பேரழிவு 1500 விஞ்சானிகள் எச்சரிக்கை | Earth Science | Tamil Mithran

2018-ல் பூமிக்கு வரும் பேரழிவு 1500 விஞ்சானிகள் எச்சரிக்கை | Earth Science | Tamil Mithran
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.[24][25][26] 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.[27] The gravitational interaction between the Earth and Moon causes ocean tides, stabilizes the Earth's orientation on its axis, and gradually slows its rotation.[28] 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.[29] 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.[30][31] 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[32] that ever lived on Earth are extinct.[33][34] Estimates of the number of species on Earth today vary widely;[35][36][37] most species have not been described.[38] 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.

Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for fair use for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

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Everything You Need to Know About Planet Earth

Planet Earth is this solid thing you are standing on right now. In your everyday life you don't really waste a thought about how amazing this is. A giant, ancient, hot rock. How did it come into existence and how big is it really? You will be surprised. The ground you are standing on is just a very, very small part of the big picture.

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Videos, explaining things. Like evolution, time, space, global energy or our existence in this strange universe.
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Everything You Need to Know About Planet Earth

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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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★ NASA - Returning to the Moon

The Constellation Program was a human spaceflight program developed within NASA, the space agency of the United States, from 2005 to 2009. The milestone goals of the program were completion of the International Space Station and a return to the moon no later than 2020 with the planet Mars as the ultimate goal.

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The program's logo reflected the three stages of the program—earth (ISS), moon, Mars—while the Mars goal found expression in the name given to the program's booster rockets: Ares. Technological aims of the program included the regaining of significant astronaut experience beyond low earth orbit and development of technologies necessary to enable sustained human presence on other planetary bodies.

Constellation began in response to the goals laid out in the Vision for Space Exploration under NASA Administrator Sean O'Keefe. It had already begun development, under several proposals. O'Keefe's successor, Michael D. Griffin, ordered a complete review, termed the Exploration Systems Architecture Study, which reshaped how NASA would pursue the goals laid out in the Vision for Space Exploration. The NASA Authorization Act of 2005 formalized the findings of the Exploration Systems Architecture Study. The Act directed NASA to develop a sustained human presence on the Moon, including a robust precursor program to promote exploration, science, commerce and US preeminence in space, and as a stepping stone to future exploration of Mars and other destinations. Work began on this revised Constellation Program to send astronauts first to the International Space Station, then to the Moon, then Mars and beyond.

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10 Places Science Can't Explain

Some of our planet's most mysterious places seem to defy the laws of science. Here are some of such.




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The devil's kettle waterfall is believed by some to be a gateway to another universe or even to hell itself. The two streamed waterfall has baffled geologists for decades as no one can work out where the water flowing into the kettle leads. It's as if it simply disappears. But that's not the only mysterious water structure. In the amazon river is now known to be a boiling river hot enough to kill any creature to fall into it. It was thought nothing more than a myth until it's recent discovery and no one knows why the water is hot enough to boil.

In India stands a small village known for having a high twin rate. It's obvious why the settlement is now known as twin town but less obvious why so many twins are born here. Suggested answers include the claim that government experiments secretly changed the genetics of locals decades ago.

Perhaps the most mysterious location is the zone of silence in Mexico, a place known for magnetic phenomena and as a dead zone for radio. You will receive no radio signal while in the zone and don't expect your compass to be reliable. Also watch out for mutated animals or strange alien like figures - those are never a good sign.
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Greatest Discoveries with Bill Nye Earth Science

10 Things You Never Knew About The Earth

The third rock from the sun, our home, planet Earth is full of mysteries.

From the secret ocean flowing beneath the Earth's crust, to the science of how life on Earth began, AllTime10s brings you, the 10 things you didn't know about Earth.

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Music = Earth Signals by Igor Dvorkin / Tim Garland

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Earth Sciences (Geology) at Oxford University

Want to know more about studying at Oxford University? Watch this short film to hear tutors and students talk about this undergraduate degree. For more information on this course, please visit our website at

The Birth of Planet Earth - New Documentary 2015

The Birth of Planet Earth - New Documentary 2015
The Birth Of Planet Earth is a short film Basically Setup On the platform Of Alternate reality and Science fiction in a way which considers the Facts of Stephen Hawkings theory to the Formation of the universe and Creates an incident Which Could possibly have caused the development of Planet Earth.
This Development accidentally triggers the negative side of Nature.

Earth Sciences

Science proves Earth is Flat - Terra convexa

Terra convexa is an independent research of Dákila Researches and Centro Tecnológico Zigurats ctzbrasil.com.br originally published in and convexearth.org


This video proves boats don't vanish over the curve, but just mirror off the water as we have been saying. Proves Earth not a globe, and proves all our maps are wrong. I don't agree with everything, but the science team did a great Job and their bravery for publishing their findings is something you won't see in our Universities.

The Earth: Crash Course Astronomy #11

Phil starts the planet-by-planet tour of the solar system right here at home, Earth.

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Table of Contents
Earth is a Planet 0:03
Layers of Earth 1:25
The Magnetic Field 5:10
Atmosphere and the Human Influence 6:14

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PHOTOS/VIDEOS
Planets:
Mercury:
Venus:
Earth:
Mars:
Jupiter:
Saturn: [credit: Photo by NASA/JPL/Space Science Institute/Gordan Ugarkovic]
Uranus:
Neptune:

Ulaan Tsutgalan waterfall:
Perspective on a cloudy day: [credit: Oleg Artemyev]
Rain droplets:
Yellowston Mud Pot:
Sea otters holding hands:
Continental Drift: [credit: NASA/Goddard Space Flight Center Scientific Visualization Studio]
Mission to Bennu: [credit: NASA's Goddard Space Flight Center Conceptual Image Lab]
[credit: San Diego Supercomputer Center / Nature]
Excerpt from Dynamic Earth [credit: NASA/Goddard Space Flight Center]
Clouds:
Aurora Borealis: [credit: Fotograf Göran Strand]
Waves On Rocky Shore 1080 (2011):
A Year In The Life Of Earth’s CO2: [credit: NASA's Goddard Space Flight Center]
NASA | 2014 Continues Long-Term Global Warming:

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