Search Results: "air force academy history"

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29:57
GOING SUPERSONIC with U.S. Air Force Thunderbirds! Pulling 7 G's in an F-16 -Smarter Every Day 235

315 views / 0 likes - added 3 years ago

How to Join the United States Air Force: https://www.airforce.com/apply-nowHow to Support Smarter Every Day on Patreon: https://www.patreon.com/smartereverydayClick here if you're interested in subscribing: http://bit.ly/Subscribe2SED Click below for more
02:51 Popular
Why The Air Force's Lightest Fighter Is Its Most Effective

709 views / 4 likes - added 7 years ago

The F-16 Fighting Falcon has a take-off weight of just 20,000 pounds, less than half the weight of the F-15. But as aerial opponents soon discover, lighter doesn't mean lesser. From: AIR WARRIORS: F-16 http://bit.ly/1PkvXL1
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Khan Academy Live: AP US History

657 views / 0 likes - added 6 years ago

Taking AP US History? Prep for the AP exam with our free live tutoring session. Kim, our history expert, will share tips and strategies for the exam. Study for AP US History on Khan Academy: https://www.khanacademy.org/humanities/us-history/ap-us-history
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BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

592 views / 0 likes - added 6 years ago

David, Paige, and Jake cover the fascinating history of the possessive apostrophe. Stay tuned for this bonus video! Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/v/bonus-history-of-the-ap
The man who shaped the history of hot air balloons - BBC News

161 views / 0 likes - added 2 years ago

For more than half a century, Scotland-born Don Cameron has been a pioneer in the world of hot air balloons.He built and flew western Europes first modern hot air balloon in 1967, before founding his company Cameron Balloons from the basement of his flat.
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BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

465 views / 0 likes - added 6 years ago

The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a
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Normal Force and Contact Force

592 views / 0 likes - added 9 years ago

The force that keeps a block of ice from falling towards the center of the earth More free lessons at: http://www.khanacademy.org/video?v=1WOrgrIcQZU
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What Is The Magnus Force?

702 views / 0 likes - added 3 years ago

Whenever an object spins through the air it experiences a 'Magnus Force' due to friction between the air and the object's surface. This force was originally identified while studying the trajectories of cannon balls (though earlier observations of this ef
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What is a Force?

613 views / 1 likes - added 3 years ago

Force is a central concept in physics. By analysing the forces on an object, its resulting motion can be determined. But what exactly is a force? The word force is used in everyday language in a variety of contexts, only some of which reflect the scientif
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Homemade Evap./Swamp Air Cooler - DIY AC (air cooler) - Low tech. Very Effective!

186 views / 0 likes - added 1 year ago

Homemade Evap./Swamp Air Cooler . easy DIY. made using only a fan, towels and a drying rack. very low tech and very effective. dropped 82F air (with relative humidity 8%) down to 59F. dropped overall air temp. in room down about 13 degrees. for more cooli
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Tension Force Physics Problems

432 views / 0 likes - added 3 years ago

This physics video tutorial explains how to solve tension force problems. It explains how to calculate the tension force in a rope for a object descending with a downward acceleration using newton's laws of motion. it also discusses how to use free body d
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Spin Art... centripetal force..."centrifugal" force // Homemade Science with Bruce Yeany

1,186 views / 1 likes - added 6 years ago

Spin art has been a popular device in the arts and science over the years. It is rather simple, spin a piece of paper at high speeds, splash some paints on it and then stop it and admire the results. It can be a nice piece to start a discussion on the app
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Sesame Street: Grover Shows Force

965 views / 0 likes - added 8 years ago

Grover knows all about force. Grover uses force every day. Grover is actually a force expert. What? You don't know what force is? Force is the pushing and pulling you use to move things. When do you use force? Subscribe to the Sesame Street Channel here:
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The Weak Nuclear Force: Through the looking glass

463 views / 0 likes - added 5 years ago

Of all of the known subatomic forces, the weak force is in many ways unique. One particularly interesting facet is that the force differentiates between a particle that is rotating clockwise and counterclockwise. In this video, Fermilab’s Dr. Don Lincoln
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How to Force a Card

875 views / 0 likes - added 4 years ago

Here are my 5 favorite methods for forcing a card. Knowing how to force a card is a skill every card magician must possess. Once you learn how to force a card, you will be able to perform an unlimited number of card tricks.
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How Do Hot Air Balloons Work?

948 views / 0 likes - added 6 years ago

When you move through the sky, the main method of transport you think of is via airplane. Flying in an airplane is probably the most practical way. There are other methods that people use but more likely in a recreational way. One of these is riding in a
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Star Wars: The Force Awakens Official Teaser #2

1,369 views / 7 likes - added 9 years ago

Get your first look at the new Star Wars: The Force Awakens teaser #2!Lucasfilm and visionary director J.J. Abrams join forces to take you back again to a galaxy far, far away as “Star Wars” returns to the big screen with “Star Wars: The
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How to calculate the force between THREE charges

1,260 views / 0 likes - added 6 years ago

You've been asked to calculate the force on a charge. Easy right? Just use Coulomb's law. BUT WAIT! There are THREE charges! Ahh! This video walks you through every detail of how to go about solving this problem so you can ace that exam question. Watch th
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The Planet Trap | Voltron Vehicle Force | Voltron | Full Episode

306 views / 0 likes - added 3 years ago

The Drules send a bogus distress call in order to lure the VV Force to a planet with an energy-sapping aura. The Air Team becomes trapped on the planet when they go to investigate. Also, Lisa gets knocked out, forcing VV to form without his right leg!
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Why Australia bottles up its air

160 views / 0 likes - added 1 year ago

Every few months, when the wind's blowing in the right direction, a bottle of air is taken from Kennaook / Cape Grim, at the northern tip of Tasmania, and saved for science. Here's how and why. More about the Cape Grim Air Archive: https://research.csiro.
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Free Body Diagrams - Tension, Friction, Inclined Planes, & Net Force

458 views / 1 likes - added 3 years ago

This physics video tutorial explains how to draw free body diagrams for different situations particular those that involve constant velocity and constant acceleration. It explains when to uses forces such as tension, static and kinetic friction, gravity /
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G-Force, Jerk, and Passing Out In A Centrifuge

572 views / 0 likes - added 6 years ago

Thanks to the Starrship team for arranging this! I'm also over on their channel, flying with the Blades: https://www.youtube.com/watch?v=iWY3-1gOrxk • At the Royal Air Force training centrifuge in Farnbrough, pilots learn how to avoid G-LOC: g-induce
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Normal Force in an Elevator

544 views / 0 likes - added 9 years ago

How the normal force changes when an elevator accelerates More free lessons at: http://www.khanacademy.org/video?v=hoRsHNSrMpc
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Centripetal Force and Acceleration Intuition

639 views / 0 likes - added 9 years ago

The direction of the force in cases of circular motion at constant speeds More free lessons at: http://www.khanacademy.org/video?v=vZOk8NnjILg
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Inclined Plane Force Components

700 views / 0 likes - added 9 years ago

Figuring out the components of the force due to gravity that are parallel and perpendicular to the surface of an inclined plane More free lessons at: http://www.khanacademy.org/video?v=TC23wD34C7k
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How Heavy Is Air? - Dan Quinn

1,173 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-heavy-is-air-dan-quinn Too often we think of air as empty space — but compared to a vacuum, air is actually pretty heavy. So, just how heavy is it? And if it's so heavy, why doesn't it crush us? Dan Quinn de
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Correction to Force of Friction Keeping the Block Stationary

472 views / 0 likes - added 9 years ago

Correction to Force of Friction Keeping the Block Stationary More free lessons at: http://www.khanacademy.org/video?v=BukTc4q9BMc
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Star Wars - The Force Theme (Piano Version)

1,242 views / 7 likes - added 4 years ago

Sheet Music https://www.musicnotes.com/l/H2gWW Learn piano with flowkey http://tinyurl.com/patrik-flowkey Support my work on Patreon https://www.patreon.com/PatrikPietschmann All My Music is Available Here iTunes: https://smarturl.it/PP_iTunes Amazon: htt
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Force of Friction Keeping the Block Stationary

810 views / 0 likes - added 9 years ago

Block of wood kept stationary by the force of friction (Correction made in next video) More free lessons at: http://www.khanacademy.org/video?v=v8ODIMqbQ44
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Quarks, Gluon flux tubes, Strong Nuclear Force, & Quantum Chromodynamics

500 views / 0 likes - added 5 years ago

Quantum Chromodynamics (QCD) and the Strong Nuclear Force. Quarks and Gluons explained.
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Star Wars: The Force Awakens Trailer (Official)

1,187 views / 3 likes - added 8 years ago

Watch the official trailer for Star Wars: The Force Awakens, coming to theaters December 18, 2015.
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This Engineer's Crazy Plan to Clean Air with Smog-Sucking Bikes

748 views / 1 likes - added 6 years ago

These bicycles are designed to filter smog out of the air as you ride. This could be a game changer for smoggy cities like Beijing. This Is What Pollution Does To Your Body - https://youtu.be/_k22ejJ_fvc Sign Up For The Seeker Newsletter Here - http://bit
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"The Force Theme" - Star Wars - stairwell with awesome reverb

429 views / 1 likes - added 4 years ago

Great sound from a solo trumpet playing "The Force Theme"
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Centripetal Force Board - Sick Science! #191

1,250 views / 0 likes - added 8 years ago

GET EVERYTHING YOU NEED HERE: http://www.stevespanglerscience.com/centripetal-force-board.html When you swing a bucket of water over your head, you probably expect a big, wet rush of water to soak you as the bucket goes upside down. However, if you were s
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‎2,000 Years of Chinese History! The Mandate of Heaven and Confucius: World History #7

1,115 views / 3 likes - added 9 years ago

2,000 Years of Chinese History! The Mandate of Heaven and Confucius: Crash Course World History #7 In which John introduces you to quite a lot of Chinese history by discussing the complicated relationship between the Confucian scholars who wrote Chinese h
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Using Centrifugal Force With Mr. Wizard

564 views / 0 likes - added 8 years ago

Check out this centrifugal force experiment with Mr. Wizard. Subscribe now for more science, nature and technology clips from the 1980's Nickelodeon show, Mr. Wizard's World, every week on #WizardWednesdays.
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Have We Found The Fifth Force Of Nature?!

1,186 views / 0 likes - added 7 years ago

Scientists recently discovered an anomaly in the 4 fundamental forces of nature. What was it and might it indicate a 5th fundamental force? Inside The World's Largest Particle Accelerator - http://bit.ly/2bReDRH Sign Up For The Seeker Newsletter Here - ht
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Weak Nuclear Force and Standard Model of Particle Physics

493 views / 0 likes - added 5 years ago

Standard Model, Chirality, Helicity, W & Z bosons, and the Weak Nuclear Force. My Patreon page is at https://www.patreon.com/EugeneK
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Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,128 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers
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Is There a Fifth Fundamental Force? + Quantum Eraser Answer | Space Time | PBS Digital Studios

644 views / 0 likes - added 7 years ago

Has a fifth fundamental force been discovered and how will this effect our understanding of the universe? Get your own Space Time tshirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] g
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What is Gravity? The Illusion of Force by a Curved Dimension

164 views / 0 likes - added 2 years ago

Why does it seem everything attracts everything to themselves? If gravity technically isn't a real force, then why can it perform work? Because although imperceptible to us, the 4th dimension is curved.Kinda like the music?Checkout more at: https://dopemi
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Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

937 views / 0 likes - added 8 years ago

The plural of "whale" is "whales", but what's the plural of "child"? David, Khan Academy's resident grammarian, explains. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower
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Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

1,273 views / 0 likes - added 8 years ago

David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize
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Just Like Earth | Voltron Vehicle Force | Voltron | Full Episode

274 views / 0 likes - added 3 years ago

The Drules' plot this time is to avoid the Alliance to give them a false sense of security. Keyzor has a plan to snare the Voltron Force in yet another "Planet Trap" of sorts. Phase one is to launch "decoy" missiles, which the Explorer scanners pick up. H
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Are Force Fields Possible?

712 views / 0 likes - added 6 years ago

You know the awesomely powerful force fields you see in the movies? Why don't they exist in real life? Are they physically possible? Come find out. Hi! I'm Jade. I'm an Aussie with a Bachelor's degree in Applied Physics. After three years and over 100 lab
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Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

879 views / 0 likes - added 8 years ago

The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains. Watch the next lesson: https://youtu.be/n9poHOKkF28 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a perso
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History of the Holidays: Columbus Day | History

790 views / 0 likes - added 6 years ago

How Columbus Day came to be celebrated. HISTORY®, now reaching more than 98 million homes, is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manne
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Paper Saw Blades- paper cuts paper- Part 1- centrifugal force // Homemade Science with Bruce Yeany

1,180 views / 1 likes - added 7 years ago

Part one: Can a saw blade made out paper cut through a sheet paper? It can if it's spinning fast enough. Circles of paper are mounted onto a Dremel type tool and then are tested to see if they can cut paper, cardboard foam cups, even thin strips of wood.
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Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

529 views / 1 likes - added 6 years ago

David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe
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BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

849 views / 0 likes - added 6 years ago

David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm
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Ellipses | Punctuation | Khan Academy

667 views / 0 likes - added 6 years ago

Ellipses are three little dots that we use to show a pause or that a portion of a quote has been removed. Learn how to use them in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introd
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How to use italics and underlines | Punctuation | Khan Academy

568 views / 0 likes - added 6 years ago

Learn how to use italics and underlines when writing the titles of works or when emphasizing a particular word or phrase. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-qu
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Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

606 views / 0 likes - added 6 years ago

Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www
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How Much Force Does It Take To Break A Bone?

785 views / 1 likes - added 7 years ago

It seems like some people break bones all the time, while others consistently end up unscathed. What exactly does it take to break a bone? Check out Seeker VR! Why Humanity Must Explore The Unknown: A Cosmological Journey - https://youtu.be/rVcwlJEfh24 Pe
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Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

580 views / 0 likes - added 6 years ago

Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit
Find your Force with | Chapter I: Meltdown

143 views / 1 likes - added 1 year ago

Whats an adventure without a couple of bumps along the way? In Chapter I of Find Your Force, a new family and kids mindfulness series from Headspace and , Chewbacca and BB-8 are ready to start their journey to Chewbaccas home planet of Kashyyyk. But the ?
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Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

782 views / 0 likes - added 6 years ago

Is it okay to begin a sentence with a conjunction like "but" or "because"? Yes. David explains why. Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/v/correlative-conjunctions?utm_source=YT&utm_medium=D
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Meet the Comma | Punctuation | Grammar | Khan Academy

909 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
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Dashes | Punctuation | Khan Academy

514 views / 0 likes - added 6 years ago

Dashes are like little actors—they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introduction-to-the-
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Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

938 views / 1 likes - added 6 years ago

Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/
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Three types of sentence | Syntax | Khan Academy

641 views / 0 likes - added 6 years ago

Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig
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Dependent and independent clauses | Syntax | Khan Academy

1,282 views / 0 likes - added 6 years ago

Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat
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Complex sentences | Syntax | Khan Academy

774 views / 0 likes - added 6 years ago

Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple
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Subject-verb agreement | Syntax | Khan Academy

630 views / 0 likes - added 6 years ago

Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc
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Appositives | Punctuation | Grammar | Khan Academy

629 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
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Hyphens vs. dashes | Punctuation | Khan Academy

837 views / 1 likes - added 6 years ago

Hyphens and dashes look pretty similar, but their uses are very different! Learn when to use each one in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/dashes-and-hyphens Watch the nex
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Salutations and valedictions | Punctuation | Grammar | Khan Academy

828 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a
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More uses for commas | Punctuation | Grammar | Khan Academy

800 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c
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Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

559 views / 0 likes - added 6 years ago

Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch
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What is Air Made Of? | COLOSSAL QUESTIONS

561 views / 1 likes - added 2 years ago

Air is all around us, and without it, we would be able to breathe! But, have you ever stopped and wondered, what is air actually made out of??Images used under license from Shutterstock.comWelcome to Colossal Questions, the show that answers all of life's
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Compound-complex sentences | Syntax | Khan Academy

849 views / 0 likes - added 6 years ago

Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com
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Three ways to end a sentence | Punctuation | Khan Academy

582 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a
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Dangling modifiers | Syntax | Khan Academy

589 views / 0 likes - added 6 years ago

A modifying word or phrase “dangles” when it doesn’t apply to the word it’s supposed to modify. Learn how to spot and fix this problem! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dangling-modifiers/ Watch the ne
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Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

464 views / 0 likes - added 6 years ago

There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p
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Star Wars: The Force Awakens - Comic-Con Reel

763 views / 1 likes - added 8 years ago

Direct from San Diego Comic-Con, here’s an extra special look behind the scenes of The Force Awakens… Like Star Wars on Facebook at http://www.facebook.com/starwars.uk Follow Star Wars on Twitter at http://www.twitter.com/StarWarsUK
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Commas in space and time | The Comma | Punctuation | Khan Academy

824 views / 0 likes - added 6 years ago

Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t
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Coulomb's Law - Net Electric Force & Point Charges

530 views / 0 likes - added 3 years ago

This physics video tutorial explains the concept behind coulomb's law and how to use it calculate the electric force between two and three point charges. This video contains plenty of examples and practice problems for students taking high school or colle
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Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

1,487 views / 0 likes - added 8 years ago

How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity
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What is a sentence? | Syntax | Khan Academy

560 views / 0 likes - added 6 years ago

A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:
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Exclamations | Syntax | Khan Academy

478 views / 0 likes - added 6 years ago

An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http
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Why the Weak Nuclear Force Ruins Everything

347 views / 0 likes - added 5 years ago

The weak force has been causing trouble for a century, ruining everything physicists thought was true. But it might actually be responsible for your very existence. Hosted by: Hank Green Head to https://scishowfinds.com/ for hand selected artifacts of the
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Parentheses | Punctuation | Khan Academy

411 views / 0 likes - added 6 years ago

Parentheses set off extra information (such as a writer's remarks, an interruption, or a reference) from the rest of a sentence. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneo
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The First Air Combat...Ever?: The French Balloon Duel

101 views / 0 likes - added 1 year ago

It wasn't 1918 or even 1865 when aircraft first fought one another... Don't ask me how, but I got Animarchy and Lazerpig to speak Japanese for me. ========================== My DCS Channel: youtube.com/@vf-163arkangels9 Hellions Patreon: https://www.patre
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Commas in dialogue | Punctuation | Grammar | Khan Academy

1,164 views / 1 likes - added 6 years ago

“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
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Soda Bottle Air Car- Physics of toys // Homemade Science with Bruce Yeany

1,126 views / 1 likes - added 7 years ago

The soda bottle car is driven by compressed air and is an excellent example for demonstrating Newton’s 3rd law of motion. The soda bottle is pumped up to about 60 PSI with air using a portable air pump. The bottles are able to withstand higher pressures b
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Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

506 views / 0 likes - added 6 years ago

Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha
11:05
What Does The Strong Nuclear Force Look Like?

104 views / 0 likes - added 1 year ago

Checkout our sponsor, Betterhelp, for 10% off your first month: https://www.betterhelp.com/actionlabIn this video I compare PFR to the strong nuclear force.To contact Hamdi Ucar see his Twitter page here: http://twitter.com/Sudanamaru1Polarity Free Magnet
09:03
BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

515 views / 0 likes - added 6 years ago

You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif
03:48
Recognizing fragments | Syntax | Khan Academy

491 views / 0 likes - added 6 years ago

A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan
07:37
Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

649 views / 0 likes - added 6 years ago

Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its
02:34
Subjects and predicates | Syntax | Khan Academy

656 views / 0 likes - added 6 years ago

A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id
00:59 Popular
Weight of Air

1,114 views / 0 likes - added 5 years ago

does air weigh anything? Deane challenges viewers to calculate the weight of air pressing down on them. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy

924 views / 0 likes - added 6 years ago

A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract
03:13
Using quotation marks in titles | Punctuation | Khan Academy

567 views / 0 likes - added 6 years ago

Learn how to use quotation marks to title things like poems, songs, and episodes of TV shows. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-quotes/ Watch the next lesson:
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

776 views / 0 likes - added 6 years ago

An antecedent is “the thing that came before”. When you use a pronoun, it’s standing in for a word you used previously—that’s the antecedent. Join us as we demonstrate how to make sure that your pronouns and antecedents match up with one another: that’s c
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy

582 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

940 views / 0 likes - added 6 years ago

A worked example using Le Chatelier's principle to predict how concentrations will shift for different perturbations. Example includes changes in reaction vessel volume, changing amount of solid product, adding inert gas, and adding a catalyst. Chemistry
05:05
Parallel structure | Syntax | Khan Academy

658 views / 0 likes - added 6 years ago

Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr
04:44 Popular
Relative clauses | Syntax | Khan Academy

748 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,506 views / 0 likes - added 6 years ago

A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy

528 views / 0 likes - added 6 years ago

In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an
06:56
The Weak Nuclear Force: Quantum Chameleon

311 views / 0 likes - added 5 years ago

Radioactive decay is the transmutation of one subatomic particle into another. In most instances, what happens is that existing particles move to new configurations. However in radioactive decays using the weak force, a particular kind of particle disappe
04:38
Run-ons and comma splices | Syntax | Khan Academy

601 views / 0 likes - added 6 years ago

A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on
10:44
Levitating objects in a stream of air.. Coanda effect // Homemade Science with Bruce Yeany

330 views / 0 likes - added 3 years ago

Tired of seeing the ping pong balls, beach balls, golf balls or a screwdriver float in a stream of air? I was, so I looked around andfound some other objects that demonstrated the same principles. In my investigations I found that the objects were support
01:13 Popular
Centripetal Force Penny - Sick Science! #157

783 views / 0 likes - added 3 years ago

Find out how this works at: http://www.stevespanglerscience.com/lab/experiments/centripetal-force-pennyAs a penny balances precariously on the hook of a wire hanger, you might think any sort of movement would send the penny flying. With a bit of physics k
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,132 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy

807 views / 0 likes - added 6 years ago

How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse
04:47
Who versus whom | The parts of speech | Grammar | Khan Academy

594 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy

927 views / 0 likes - added 6 years ago

When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=
02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy

524 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy

605 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

961 views / 0 likes - added 6 years ago

When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca
06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,632 views / 0 likes - added 8 years ago

Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy

615 views / 0 likes - added 6 years ago

Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

994 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy

686 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy

652 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,011 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,230 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,129 views / 0 likes - added 6 years ago

We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,032 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

966 views / 0 likes - added 6 years ago

Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,149 views / 0 likes - added 6 years ago

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
02:15
Indoor Plants Can Clean Your Air

578 views / 0 likes - added 7 years ago

Many houseplants can scrub irritants like acetone from the air, but which ones do it best?
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02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy

890 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

571 views / 0 likes - added 6 years ago

If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
05:51 Popular
This Is Your Brain On Stale Air

910 views / 0 likes - added 5 years ago

Subscribe to Kurtis Baute! https://www.youtube.com/channel/UCTRM8LE1g6UXrVZKwgw5oEA or start with his one-take video on the history of the universe: https://www.youtube.com/watch?v=ObngtuPFI8A Inside his homemade, hermetically-sealed, airtight biodome, Ku
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,075 views / 0 likes - added 6 years ago

Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q
03:02 Popular
Linking verbs | The parts of speech | Grammar | Khan Academy

1,638 views / 0 likes - added 6 years ago

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs
03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy

589 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
26:40
Airline Food During the Golden Age of Air Travel

25 views / 0 likes - added 1 week ago

Thanks to Trade Coffee for sponsoring! Get a free bag of fresh coffee with any Trade subscription: https://drinktrade.com/maxmillerCheck out Richard Foss's book, Food in the Air and Space here: https://amzn.to/4cEToRd or at his website https://richardfoss
05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy

1,086 views / 0 likes - added 6 years ago

We use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy

869 views / 0 likes - added 6 years ago

The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp
02:46 Popular
Introduction to Grammar | Grammar | Khan Academy

967 views / 0 likes - added 6 years ago

Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa
04:50
Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

606 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy

1,468 views / 0 likes - added 6 years ago

There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you
13:33 Popular
Japan in the Heian Period and Cultural History: Crash Course World History 227

1,321 views / 7 likes - added 9 years ago

In which John Green teaches you about what westerners call the middle ages and the lives of the aristocracy...in Japan. The Heian period in Japan lasted from 794CE to 1185CE, and it was an interesting time in Japan. Rather than being known for a thriving
02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

537 views / 0 likes - added 6 years ago

We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
01:00
This is how air conditioners make Earth warmer

33 views / 0 likes - added 4 months ago

Another YouTube #shorts from your favorite science dad, Dr. Joe!Discover the fascinating story of the "Air Conditioned Village" in Austin, Texas, where builders conducted a remarkable social experiment almost 70 years ago. Learn how this experiment paved
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,092 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

828 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy

530 views / 0 likes - added 6 years ago

Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,712 views / 0 likes - added 8 years ago

Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o
04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

869 views / 0 likes - added 6 years ago

There's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts
07:43
How does your AIR CONDITIONER work?

474 views / 0 likes - added 4 years ago

Sign up for your free Danfoss Learning account - http://bit.ly/DanfossLearningNow . Danfoss Learning is a free online training and certification hub. You can boost your knowledge on hundreds of cooling topics right from your desktop or mobile device. eLes
01:04
Watch Plants Choke On Air

603 views / 0 likes - added 8 years ago

Air bubbles prove deadly for parched plants. Learn more: http://scim.ag/1qEpCUS
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy

807 views / 0 likes - added 6 years ago

An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/
09:47
Different Way to Determine Time in Air

646 views / 0 likes - added 9 years ago

Another way to determine time in the air given an initial vertical velocity More free lessons at: http://www.khanacademy.org/video?v=_NWc3C3cTNA
04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy

667 views / 0 likes - added 6 years ago

We can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

1,188 views / 0 likes - added 6 years ago

This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
03:21 Popular
DIY Unique Air Jordan Sneakers

719 views / 2 likes - added 6 years ago

How to Make Unique Air Jordan Sneakers with 3D Pen In today's video you will learn how to draw cool accessory Nike Air Jordan sneakers with 3d pen. All you need are old sneakers, 3d pen and fillament. Just follow instructions from this video and in few ho
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

929 views / 0 likes - added 6 years ago

Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

582 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
12:07
Is an AIR FRYER worth the money? | How To Cook That Ann Reardon

200 views / 0 likes - added 3 years ago

In this episode we investigate whether air fryers are a waste of money? Are air fryers just the same as a convection oven? Do you need an air fryer?Get your TaoTronics Air Fryer here http://amzn.to/3i9sLYJ Thank you TaoTronics for sponsoring this videoSUB
02:43 Popular
How Do We Know What Air Is Like On Other Planets?

903 views / 0 likes - added 8 years ago

How do we know what the air is like on planets we haven't visited? This video explains how to see air from 150 light years away. Thanks to NASA’s James Webb Space Telescope project at the Space Telescope Science Institute for supporting this video. Link t
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03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

566 views / 0 likes - added 6 years ago

Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,254 views / 0 likes - added 6 years ago

Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l
01:38
Sooty Birds Share Dirt on Air Pollution [60 Second Specimens]

629 views / 0 likes - added 5 years ago

Every specimen has a story; these dirty birds helped scientists answer questions about levels of air pollution in the United States over a period of 135 years. More 60 Second Specimen stories: https://www.youtube.com/playlist?list=PLL8_5VpX9Txpke4mWgBrsHV
02:54
Instruments imitations on guitar 2 (using an air compressor)

485 views / 1 likes - added 4 years ago

I tried to get closer to the sound of some musical instruments with my acoustic and electric guitars, without using pedals, midi, synth or special effects. I discovered that using an air compressor it is possible to get close to the sound of wind instrume
11:57 Popular
How to Draw Candy | Glitter Force

1,112 views / 2 likes - added 5 years ago

Learn How to Draw and Color Candy easy, step by step art tutorial. This cute baby pixie is Candy, a character in Glitter Force, a Japanese Animated Series. Coloring with markers and color pencil. ★Easy, simple follow along drawing lessons for kids or begi
01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

568 views / 1 likes - added 6 years ago

These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac
05:49
How To Improve Indoor Air Quality

142 views / 0 likes - added 1 year ago

Why do we pay attention to the quality of our drinking water, but not to our indoor air? Scientific American's Senior Health Editor, Tanya Lewis, explains how and why this matters.
09:47
Biggest air cannon in the world

309 views / 0 likes - added 3 years ago

Video of our our biggest air cannon, which was made in cooperation with czech TV show 'Wonders of nature'.
04:39 Popular
How Air Conditioning Works

728 views / 0 likes - added 5 years ago

To beat the summer heat, we turn to air conditioning. But that sweet, cool relief isn’t magic: it’s the science of heat transfer and the chemistry of refrigerants. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReaction
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07:46
Copper's Surprising Reaction to Strong Magnets | Force Field Motion Dampening

437 views / 2 likes - added 4 years ago

In this video I experiment with Lenz's Law And Faraday's Law of Induction to generate electricity and magnetic force fields in copper. Check out my sponsor Brilliant for a really fun way to learn! https://www.Brilliant.org/NightHawk To read more about Len
04:00
Liquid Nitrogen Air Horns - Most annoying sound ever!

592 views / 0 likes - added 4 years ago

Craig Beals uses the science of liquid nitrogen to make air horns out of soda bottles and test tubes laying around the lab. The goal was just to see how loud and annoying we could get it to sound in the lab. Mission Accomplished!Full instructions can be f
03:50 Popular
How Do Hot Air Balloons Work?

995 views / 1 likes - added 7 years ago

Hot Air Balloons! They're those big, beautiful balloons people can float up to the sky in-- but how do they get up there?! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids?
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01:00
What, exactly, is in the air you breathe? #shorts

122 views / 0 likes - added 1 year ago

What, exactly, is in the air you breathe? #CO2 #climate #warming #climeworksTeamEarth #climatechange #climeworks. Join our team in the fight against climate change. Remove carbon dioxide today at https://actnow.climeworks.com/MinuteEarth
04:09
Flyboard Air World First - Flying Frenchman Cross English Channel on Jet Hoverboard

446 views / 1 likes - added 4 years ago

Flying Frenchman crosses English channel on jet powered hoverboard.Flyboard Air is now the worlds first jet powered hoverboard to cross the English channel.Flyboard Air is a personal aviation transport, the hoverboard is powered by five small jet engines
02:25
Three-Dimensional Mid-Air Acoustic Manipulation [Acoustic Levitation] (2014-)

339 views / 0 likes - added 4 years ago

(2014/7/23) Here is Next Levitation Project! https://www.youtube.com/watch?v=NLgD3EtxwdY Three-Dimensional Mid-Air Acoustic Manipulation (2013,2014-) Yoichi Ochiai / (The University of Tokyo / ) Takayuki Hoshi / (Nagoya Institute of Technology / ) Jun Rek
23:31
Hazar Is Demoted | Voltron Vehicle Force | Voltron | Full Episode

270 views / 0 likes - added 3 years ago

The Voltron team takes some time to reminisce about home while Hazar returns to planet Drule to face trial for helping them. He meets up with his sister Dorma and they go to their parents' home. The climate on Drule is hostile towards him. His trial is qu
01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy

1,652 views / 0 likes - added 8 years ago

Translation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa
03:37 Popular
Scatterplots — Harder Example | Math | New SAT | Khan Academy

1,324 views / 0 likes - added 8 years ago

Watch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy

1,610 views / 0 likes - added 8 years ago

Watch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy

807 views / 0 likes - added 8 years ago

Watch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo
03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy

820 views / 0 likes - added 8 years ago

Watch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy

756 views / 0 likes - added 8 years ago

Watch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:14 Popular
Percents — Basic Example | Math | New SAT | Khan Academy

708 views / 0 likes - added 8 years ago

Watch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
05:25 Popular
Complex Numbers — Harder Example | Math | New SAT | Khan Academy

1,041 views / 0 likes - added 8 years ago

Watch Sal work through a harder Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/walk-through-sat-practice-platform?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
04:57
Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy

634 views / 0 likes - added 6 years ago

You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca
02:28 Popular
Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

1,047 views / 0 likes - added 8 years ago

Drawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www
02:49
Circle Equations — Harder Example | Math | New SAT | Khan Academy

652 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
01:53 Popular
Circle Equations — Basic Example | Math | New SAT | Khan Academy

775 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
03:43
Right Triangle Geometry — Harder Example | Math | New SAT | Khan Academy

614 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
08:17 Popular
Right Triangle Geometry — Basic Example | Math | New SAT | Khan Academy

924 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle geometry problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
03:18 Popular
Congruence And Similarity — Harder Example | Math | New SAT | Khan Academy

1,182 views / 0 likes - added 8 years ago

Watch Sal work through a harder Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Miss
04:19 Popular
Congruence And Similarity — Basic Example | Math | New SAT | Khan Academy

1,581 views / 0 likes - added 8 years ago

Watch Sal work through a basic Congruence and similarity problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
04:10 Popular
Circle Theorems — Harder Example | Math | New SAT | Khan Academy

1,488 views / 0 likes - added 8 years ago

Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
04:28 Popular
Circle Theorems — Basic Example | Math | New SAT | Khan Academy

1,356 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
02:50 Popular
Complex Numbers — Basic Example | Math | New SAT | Khan Academy

1,015 views / 0 likes - added 8 years ago

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
00:58
Making liquid air

243 views / 0 likes - added 3 years ago

Check out my main channel: https://www.youtube.com/c/NileRedToday I'll be using a cryocooler to turn air into a liquid.#shorts
23:34
Hazar On The Carpet | Voltron Vehicle Force | Voltron | Full Episode

392 views / 0 likes - added 3 years ago

Mongo is defeated by an Alliance support fleet and defects in disgrace, and Hazar is courtmartialed as a result. Voltron Force Full Episodes: http://bit.ly/2sIQK7x DreamWorks Voltron Legendary Defender Full Episodes: http://bit.ly/2sIOOvR Voltron: The Thi
05:41
What makes Delhi's air so deadly

329 views / 0 likes - added 4 years ago

The policy behind the pollution.Become a Video Lab member!http://bit.ly/video-labEvery November, Northern India experiences some of the most dangerous air pollution levels in the world. Typical pollution sources like car exhaust, construction dust, and in
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,212 views / 0 likes - added 8 years ago

Watch Sal work through a harder Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:23
Isolating Quantities — Harder Example | Math | New SAT | Khan Academy

661 views / 0 likes - added 8 years ago

Watch Sal work through a harder Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,108 views / 0 likes - added 8 years ago

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,129 views / 0 likes - added 8 years ago

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

1,445 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

1,506 views / 0 likes - added 8 years ago

Watch Sal work through a basic Operations with polynomials problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
07:52 Popular
Why Nike Air Jordans Are So Expensive | So Expensive

7,627 views / 3 likes - added 4 years ago

Air Jordans retail and resell at higher prices than the average basketball sneaker. The high prices come from how the company makes and markets its iconic sneakers. The brand has a rich history, and its Air Jordan 1 is widely credited as the catalyst for
01:25 Popular
Using Rotation Widget | Transformations | Geometry | Khan Academy

1,488 views / 0 likes - added 8 years ago

Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai
04:46 Popular
Physics of toys-wooden air engine // Homemade Science with Bruce Yeany

839 views / 0 likes - added 7 years ago

The basic concept of a reciprocating engine goes back about 300 years when first developed into a crude stream engine. the same basic principles are used in today's modern engine where expanding gas is used to drive a piston and a crank is used to convert
05:16
Visualize air pressure | Wiggle Pressure - Science Snack Activity

629 views / 0 likes - added 5 years ago

Visualize air pressure with the help of a wiggling, wobbling, self-rolling pet toy. Air molecules are too small to see, so it can be hard to imagine how they can apply forces and create pressure. Self-rolling pet toys can wiggle around erratically, pushin
04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy

755 views / 1 likes - added 8 years ago

Watch Sal work through a harder Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q9-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed

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