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Earth science

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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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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.
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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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Everything You Need to Know About Planet Earth

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Earth Science: Lecture 1 - Introduction to Earth Science

Additional videos to watch before Lecture 2:
1) Interactive scale of the Universe:
2) Scale of the Universe video:
3) Star sizes video:
4) Asteroid discovery video:
5) The most astounding fact video:
6) Why is the milk gone video:
7) You are here video:

This is the first video I have recorded in quite some time. I apologize for the excess uhm and uhh sounds. Those should be worked out in time!
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100 Greatest discoveries Earth science

Earth 101 | National Geographic

Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.
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#NationalGeographic #Earth #Educational

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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

Please rate this video and feel free to comment. If you like it, please help me spread the word by posting links on your media websites. The more students who can enjoy these dramatic videos, the better!

To view all of my videos in Biology, Earth Science, Astronomy, Chemistry and Physics, subscribe to my channel at: I will be releasing new videos periodically.

I wish to thank all the quality video and music producers whose postings enabled me to assemble this video for educational use. To best enjoy this video, turn up your speakers. The music is very powerful and dramatic!

I can customize this video to add your name or school name at the end credits, for a very modest fee. If interested, email me at fsgregs@comcast.net

Until recently, you were able to download my videos for free from my other video storage site (vimeo.com). Recently, however, they began charging a significant membership fee to enable that feature, so I regret that downloading from there is no longer available. However, you can search for and obtain free download addons for your browser that will allow you to download my videos from either YouTube or Vimeo.

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.

Earths Core - Full Science Documentary

There is a place on Earth that we have never seen. It is a place of unimaginable heat and pressure, where no life could survive. Yet without it, we would perish for it holds the key to our precarious existence on this planet.

2000 miles below the Earth's surface, there is a vast ocean of molten iron. The spinning outer core of the Earth generates a protective magnetic shield around the planet, defending life from lethal space radiation. But now there is startling data that it could be about to stop defending us. Naked Science is taking you on a journey to the centre of the Earth.

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Earth Science: Lecture 3 - Minerals

Streak demo video: goo.gl\MdH5j9
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The Story Of Earth And Life - Full Documentary- Blue Planet

Understanding the formation of life in earth.

TMArtScience Earth Science Mapping part I

Introduction to mapping. Latitude and Longitude, and basic geographic locations.
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Structure Of The Earth | The Dr. Binocs Show | Educational Videos For Kids

Learn about the Structure Of The Earth with Dr. Binocs.

Hey kids! Did you know that our planet Earth is made up of three distinct layers? And that each of these layers have their own distinct properties? Join Dr. Binocs as he takes you through the journey inside the Earth and explains about the structure of the Earth.

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Earth Science: The Basics - Earth's Geologic History

UPCAT & DOST Examination Reviewer (EARTH SCIENCE)

UPCAT and DOST Examination Reviewer for Earth Science

Both of this examination are time pressured so limited time is provided to answer every question.

Common Questions were gathered with some reference from the K-12 Earth Science Module:



Topics Included:
a. The Universe and the Solar System
b. Earth System
c. Minerals and Rocks
d. Atmosphere
e. Hydrosphere


Transcript:
EARTH SCIENCE QUESTIONS
1. Which is not a characteristic of a mineral?
a. Naturally occurring
b. Organic
c. Definite chemical composition
d. Solid

2. What is the source of igneous rocks?
a. Surface deposits of fine materials
b. Crystallization from molten magma
c. Pressure from the lithosphere
d. Application of both heat and pressure

3. It is the property of some minerals to break along parallel repetitive planes of weakness to form smooth surfaces.
a. Fracture
b. Luster
c. Streak
d. Cleavage

4. What is the most abundant element on the Earth’s crust?
a. Silicon
b. Iron
c. Oxygen
d. Aluminum

5 Which of the following mineral is the hardest?
a. Feldspar
b. Quartz
c. Apatite
d. Flourite

6. This type of rock have layered appearance that is produced by exposure to heat and pressure.
a. Felsic
b. Foliated
c. Mafic
d. Non-foliated

7. It is the layer of the atmosphere that where absorption of dangerous UV radiation takes place.
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere

8. It is the layer of the atmosphere that where most meteors burn up.
a. Troposphere
b. Stratosphere
c. Mesosphere
d. Thermosphere

9. A boundary between outer core and inner core.
a. Moho
b. Gutenberg Discontinuity
c. Asthenosphere
d. None of the above

10. What kind of cloud occur in broad layers and often cover the whole sky?
a. Stratus
b. Nimbus
c. Cumulus
d. Cirrus

11. Which of the following describes bathypelagic zone in the ocean?
a. No presence of light
b. Enough sunlight to support photosynthesis
c. Extends as far as 3000 feet below
d. Weak water pressure

12. Which of the following is not true?
a. Earth rotate prograde
b. All planets are located at regular intervals from the Sun
c. Inner terrestrial planets have thin or no atmosphere
d. Jovian planets rotate slower because they are larger in size

13. What explains the accelerating expansion of the universe?
a. Existence of dark energy
b. Existence of dark matter
c. Existence of baryonic matter
d. Existence of anti-particle

14. What would happen if a star with the same size of the Sun dies?
a. It explodes into a black hole
b. It would become a red supergiant
c. It would undergo a planetary nebula phase.
d. All of its density would be concentrated resulting to the creation of neutron star

15. What element is produced when hydrogen atoms are fused through thermonuclear reactions?
a. Lithium
b. Helium
c. Carbon
d. Uranium


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Earth Science - Rock Cycle And Types Of Rock | Iken Edu

Earth Science - Rock Cycle And Types Of Rock | Iken Edu

Find 1500+ education videos available at
There are many types rock on the earth like igneous, sedimentary etc. but do you think why are they are named so or how they are made?
In this video, you will learn about complete rock cycle as how they changed with time and how they converted from one form to another.

Watch the complete video and share your views on this. Also share this with your friends to help them learn.

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A Brief History of Geologic Time

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By looking at the layers beneath our feet, geologists have been able to identify and describe crucial episodes in life’s history. These key events frame the chapters in the story of life on earth and the system we use to bind all these chapters together is the Geologic Time Scale.

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References:
































Steno, N. (1916). 1669: De solido intra solidum naturaliter contento dissertationis prodromus. Florence, 78p.
Hancock, Paul L; Skinner, Brian J, Oxford Companion to the Earth, Oxford University Press, 2000

Addition to image credits: some footage from this episode is from VideoBlocks.com

Earth Sciences at Cambridge

#earthsciences #resultsday #naturalsciences
A brief look at the Earth Sciences course, part of the Natural Sciences Tripos at the University of Cambridge. How to apply:

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

Origins of the Universe 101 | National Geographic

How old is the universe, and how did it begin? Throughout history, countless myths and scientific theories have tried to explain the universe's origins. The most widely accepted explanation is the big bang theory. Learn about the explosion that started it all and how the universe grew from the size of an atom to encompass everything in existence today.
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About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.

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Origins of the Universe 101 | National Geographic


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