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.
10 Mysterious Places On Earth Scientists Are Still Trying To Understand
The most mysterious and strange places on Earth are sometimes hard to understand even by scientists. A lot of things about the world aren't well known but there are still some theories going around.
The tools needed to solve some of life's biggest mysteries are relatively new, and it's going to take scientists some time to comb through all of the mysteries. When it comes to the inexplicably strange and surreal places out there, they can sometimes leave us feeling like there's no logical answer as to why they exist.
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Back to these mysterious places. Take the Namibian Fairy Circles as an example. Located in Africa's Namib Desert, these circles vary vastly in diameter, but they also span an area of over 1,000 miles.
While locals believe them to be the footprints of gods who once walked across the desert, scientists have been trying to make sense of them for decades. One theory involves sand termites, but experts can't seem to agree on that being the cause.
Then there's the confusion surrounding the Naga Fireballs. This name was given to the tiny orbs of fire that seem to lift out of the Mekong River in Thailand every October and May. People are so fascinated by this phenomenon that there's an entire festival dedicated to their ascension.
If you want to learn more about the places that are baffling experts everywhere, check out this video!
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Solar System 101 | National Geographic
How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system’s genesis, plus its planets, moons, and asteroids.
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9 Incredible Science Facts You Probably Didn't Learn At School
Common scientific facts you won't believe are real
How well did you perform at school? Were you among the best students or in the outsiders team? It doesn't really matter, because they probably didn't teach these science facts at school. Be ready to be amazed!
01:49 How deep is the sea?
03:29 The journey at the speed of light
04:17 How high can we build?
06:38 What organism lives the longest?
08:38 Five places on Earth you should avoid
09:33 Marie Sklodowska Curie
Breathtaking journey to the centre of the Earth
- 20 m - The roots of a camel thorn
- 40 m - The deepest pool in the world
- 60 m - Ancient underground cities
- 105 m - The deepest underground station in the world. By the way, do you know where it is located? Leave your answer in the comments down below!
- 1370 m - Permafrost in Yakutia
- 1642 m - The depth of lake Baikal
- 4500 m - Tautona gold mine
- 6700 m - Fossilized algae
- 12262 m - The deepest well in the world
- 70000 m - The end of the Earth's crust
- 6 381 000 m - The distance to the Earth's core
What organism lives the longest?
Do you know the answer to this question? Leave it in the comment section below. And no, it is not a turtle :)
- Mayfly only lives for a day
- Flies live for approximately 17 days
- Honey bees live for 4 weeks
- Bed bugs (oh these creatures!) live for 6 months
- Octopus lives for 3 years
- Rabbits live for 12 years
- Lions can live up to 20 years old
- Rhinoceros live for 40 years
- Elephants live for 80 years (average human life)
- Japanese spider-crab lives for 100 years
- Bowhead whale lives for 200 years
- Torriropsis Nutricula jellyfish is the only thing on Earth that lives forever!
The explosion of Supernova
According to the leading scientists, two stars will collide in the constellation cygnus. As a result, a supernova will occur, and a huge amount of energy will be ejected into space. It will be brighter that the light from a majority of stars in the galaxy. The consequences will be visible to the naked eye from the earth's surface. It will take place in 2022.
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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.
Hey there! My name is Mike Sammartano. I'm an educator, instructional designer, and technologist. I spent 15 years teaching astronomy, oceanography, geology, environmental science and meteorology to students in middle and high school. On my channel, you will mostly find videos which explore these topics, along with a handful of instructional technology tutorials. Thanks for watching, and please feel free to connect with me with any suggestions for new videos, comments, or just to say hi!
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Earth Science: Lecture 1 - Introduction to Earth Science
Additional videos to watch before Lecture 2:
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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!
Earth Science for Kids - Solar System, Weather, Fossils, Volcanoes & More
Earth Science for Kids is the fun way to learn important facts about earth science and prepare for tests. Take a fascinating journey to the Super Science Station to learn about the Solar System, weather and the water cycle, types of rocks, properties of minerals, volcanoes and plate tectonics, and renewable energy. For gifted preschool learners to kids in junior high, all ages will enjoy this learning adventure. Clear explanations and humor make this video perfect for the classroom and home. Created along with teachers to meet state testing standards.
Click below to jump to any part of the program:
00:05 Introduction to Earth Science
01:18 The Solar System
08:37 Weather and the Water Cycle
13:22 Sedimentary Rocks
15:40 Igneous & Metamorphic Rocks
18:35 The Pet Rocks Song
26:50 Plate Tectonics
29:36 Weather & Erosion
35:16 Energy & Resources
41:18 Practice Test Download
41:57 Question 1 - Planets
42:53 Question 2 - Solar System
43:27 Question 3 - Day & Night
45:00 Question 4 - Water Cycle
45:39 Question 5 - Air Currents
47:01 Question 6 - Rock Layers
47:44 Question 7 - Fossils
48:50 Question 8 - Mohs Hardness Scale
50:21 Question 9 - Forming Mountains
51:18 Question 10 - Plate Movement
52:00 Question 11 - Moving Water
52:56 Question 12 - Arch Shaping
54:11 Question 13 - Resource Types
55:13 Question 14 - Water Conservation
56:21 Question 15 - Energy Conservation
Entrance Exam Reviewer 2020 | Common Questions with Answer in Science - Earth Science | PART 1
Use this video as an entrance exam reviewer for senior high school and college. This video will test you knowledge in SCIENCE specifically in Earth Science. Reviewer for entrance exams such as this video is very important in order for you to get into the school, shs strand or college and course that you really like!
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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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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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100 Greatest discoveries Earth science
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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[Why series] Earth Science Episode 2 - Volcanoes, Earthquakes, and Plate Boundaries
[Why series] Earth Science Episode 2
Volcanoes, Earthquakes, and Plate Boundaries
The Earth’s crust is located below the ground on which we live. Deeper still within the Earth, awesome powers are at work. Just think: the ground on which we live is alive and moving. And the forces that move the ground we live on are the forces behind volcanoes and earthquakes. Today we will be examining natural phenomena created by forces below the crust: volcanic eruptions and earthquakes.
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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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UPCAT & DOST Examination Reviewer (EARTH SCIENCE)
This reviewer about EARTH SCIENCE is effective for examination like UPCAT, PUPCET, ACET, DCAT, USTET, PLMAT, etc.
This video presents reviewer for the college entrance exam and scholarship exams for the senior high school students to prepare them in conquering different CET examination.
Questions are based from the previous exams took by the examinees and are structured according to K-12 lesson and modules. Rest assured that topics included are commonly found in the exams and will greatly helped you in acing it.
Common Questions were gathered with some reference from the K-12 Earth Science Module:
a. The Universe and the Solar System
b. Earth System
c. Minerals and Rocks
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Layers of the Earth | #aumsum #kids #science #education #children
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 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 Geosphere - Layers of the Earth - Science for Kids
Educational video about the geosphere. Whats is the geosphere? It's the inner layer of the Earth and extends from the surface to the core of the planet. Learn about the characteristics of the geosphere and its layers: the crust, the mantle and the core. This video belongs to a collection of science videos for elementary school children and it's an ideal resource for primary education.
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This Lake Creates Strange Magnetic Forces | What On Earth?
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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.