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Earth science

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June 2018 Earth Science Regents ANSWERS EXPLAINED

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#1: 02:20
#2: 03:49
#3: 04:48
#4: 05:34
#5: 06:27
#6: 07:24
#7: 08:36
#8: 09:23
#9: 10:41
#10: 11:44
#11: 13:41
#12: 14:51
#13: 16:26
#14: 18:31
#15: 19:10
#16: 20:00
#17: 21:44
#18: 22:58
#19: 24:23
#20: 25:21
#21: 26:47
#22: 27:54
#23: 29:39
#24: 31:23
#25: 32:49
#26: 34:54
#27: 36:12
#28: 37:05
#29: 37:59
#30: 38:58
#31: 39:57
#32: 41:25
#33: 42:13
#34: 43:16
#35: 44:50
#36: 45:46
#37: 47:05
#38: 47:45
#39: 48:41
#40: 50:00
#41: 51:14
#42: 52:48
#43: 53:55
#44: 54:54
#45: 55:48
#46: 56:49
#47: 57:23
#48: 58:00
#49: 59:08
#50: 1:01:10


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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?

Check Out my Free Earth Science App Now! Regular Updates are Coming!

A quick look at the field of Earth Science, including the three main areas of study including astronomy, meteorology, and geology.

100 Greatest discoveries Earth science

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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.
We are a team of designers, journalists and musicians who want to make science look beautiful. Because it is beautiful.

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Everything You Need to Know About Planet Earth

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Greatest Discoveries with Bill Nye Earth Science

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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!

Epicenter Review: Earth Science Regents Part D (Lab Practical)

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Earth | The Core - Documentary HD 2017

Earth | The Core - Documentary HD 2017Earth's Core Documentary

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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SOL Review for Earth Science

Adapted from Mr. and Mrs. Mosser (Briar Woods High School)

Earth Science: The Basics - Earth's Geologic History

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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.

Living Rock An Introduction to Earth's Geology ✪ 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.

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

#Science #impossibleplaces #Actuallyexist



Music : Floating Cities Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
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Naked Science - Birth of the Earth

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Every other Wednesday we present a new video, so join us to see the truth laid bare...

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.

History Channel Documentary Ancient Discoveries #9 ✪ 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.

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.

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.

Thanks to Studio 252mya for their illustrations. You can find more of their work here:

Produced in collaboration with PBS Digital Studios:

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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

The Birth of Planet Earth - New Documentary

The Birth of Planet Earth - New Documentary
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.

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