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Earth science

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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:
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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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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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.

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.
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Earth Science: Lecture 3 - Minerals

Streak demo video: goo.gl\MdH5j9
Habit demo video: goo.gl\vaVDiS
Chemical test video: goo.gl/5L3gns

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.

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


Timer video from:


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Layers of the Earth | #aumsum

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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The Story Of Earth And Life - Full Documentary- Blue Planet

Understanding the formation of life in earth.

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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100 Greatest discoveries Earth science

Earth Science Quiz - Science Quiz For Kids- Science Quiz Bee Questions & Answers Grade 5,6,7,8

Earth Science - Earth Science Quiz.
For Kids.
Science Quiz Bee.
Earth Science Test Grade 5, Grade6, Grade7, Grade8, Grade9.
Earth Science Trivia Questions And Answers.
GK - general Knowledge.
Science Test.
Science Teaching.

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
19:45 Mineralogy
23:12 Volcanoes
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
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Earth Science: Lecture 13 - Crustal Deformation

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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Creative Team (Rajshri): Kavya Krishnaswamy, Alisha Baghel, Sreejoni Nag
Producer: Rajjat A. Barjatya
Copyrights and Publishing: Rajshri Entertainment Private Limited
All rights reserved.

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Earth Science: Lecture 11 - Volcanoes

Explosive eruption video: bit.ly/2Ehky2B
aa lava flow video: bit.ly/2IkSRtt
cinder cone video: bit.ly/2SHtfMj
volcano types video: bit.ly/2IlScIl
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EARTH SCIENCE SONG

Earth Science

Beginning and end of Earth science expectations

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