Search Results: "Category:Calculus"

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1:10:07
Khan Academy Live: AP Calculus

581 views / 0 likes - added 6 years ago

Taking AP Calculus? Prep for the exam with our free live tutoring session. Dave, one of our calculus experts, will review key concepts, solve sample questions, and share ways to avoid common mistakes. Prep for your AP Calculus exams on Khan Academy: https
00:44 Popular
Count By Category | Counting | Early Math | Khan Academy

766 views / 0 likes - added 8 years ago

Learn to count the number of things in different categories. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/sort-groups-by-count?utm_so
19:53 Popular
Calculus at a Fifth Grade Level

1,226 views / 0 likes - added 6 years ago

The foreign concepts of calculus often make it hard to jump right into learning it. If you ever wanted to dive into the world of mathematics - or if you are just having difficulty in your calculus class - and are having a hard time grasping the ideas, you
04:22 Popular
Calculus Limits - Factoring Example

1,419 views / 0 likes - added 7 years ago

Learning Calculus limits is a breeze with this tutorial and video example.. This example teaches you how to solve limits by factoring. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra
04:30 Popular
Calculus Limits - Easy Problem and Introduction

1,247 views / 0 likes - added 7 years ago

Learning Calculus limits is a breeze with this problem and introduction. This example is an easy problem. Check out my Calculus limits playlist if you want some harder examples. I also offer live tutoring if you need any extra help. Check out my website i
04:01 Popular
Product rule - Calculus derivatives tutorial

986 views / 0 likes - added 6 years ago

Learn how to take the derivative of a function using the product rule. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMeeting.com My name is Chris and
14:41
Find the Volume of Any Shape Using Calculus

325 views / 0 likes - added 3 years ago

Calculus isn't just abstract mathematics, it is an incredibly useful tool. Here I show you how to use it to derive the volumes of 3D shapes. Check out my posters here https://store.dftba.com/collections/domain-of-scienceThis was the first example that rea
10:14
Calculus Proof that a=v^2/r

652 views / 0 likes - added 9 years ago

Using calculus and vectors to show that centripetal acceleration = v^2/r
07:43
Calculus, what is it good for?

434 views / 1 likes - added 4 years ago

Calculus is an incredibly useful tool for deriving new physics. Check out this video's sponsor https://brilliant.org/dosHere is a brief description of calculus, integration and differentiation and one example of where it is useful: deriving new physics. I
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Optional Calculus Proof to Show that MR has Twice Slope of Demand

620 views / 0 likes - added 9 years ago

Using some basic calculus to show that marginal revenue has twice the slope of the demand curve for a monopolist More free lessons at: http://www.khanacademy.org/video?v=atI4QH2acuw
15:43 Popular
Calculus: Derivatives 1 (new HD version)

886 views / 0 likes - added 9 years ago

Calculus-Derivative: Understanding that the derivative is just the slope of a curve at a point (or the slope of the tangent line) More free lessons at: http://www.khanacademy.org/video?v=ANyVpMS3HL4
12:22
Exponential Decay Formula Proof (can skip, involves Calculus)

638 views / 0 likes - added 9 years ago

Showing that N(t)=Ne^(-kt) describes the amount of a radioactive substance we have at time T. For students with background in Calculus. Not necessary for intro chemistry class. More free lessons at: http://www.khanacademy.org/video?v=H7nrVDV8ahc
1:27:26 Popular
Calculus 1 Lecture 1.1: An Introduction to Limits

855 views / 0 likes - added 8 years ago

Calculus 1 Lecture 1.1: An Introduction to Limits. Great intro video on Calculus.
11:51 Popular
Optimization - Calculus

735 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. I also provided the links for my other optimization videos as well. Optimization - "minimum sum of two numbers" example https://www.youtube.com/watch?v=WJy3EEJPV3g Optimization - "Maximum volume
1:04:56
Optimization Problems - Calculus

437 views / 0 likes - added 2 years ago

This calculus video explains how to solve optimization problems. It explains how to solve the fence along the river problem, how to calculate the minimum distance between a point and a line, and how to maximize area while minimizing perimeter as in the ca
19:04
Calculus -- The foundation of modern science

462 views / 0 likes - added 5 years ago

Easy to understand explanation of integrals and derivatives using 3D animations.
14:22
Calculus proof of centripetal acceleration formula

624 views / 0 likes - added 9 years ago

Proving that a = v^2/r More free lessons at: http://www.khanacademy.org/video?v=XjCEumlJBno
09:46
Harmonic Motion Part 2 (calculus)

546 views / 0 likes - added 9 years ago

We test whether Acos(wt) can describe the motion of the mass on a spring by substituting into the differential equation F=-kx More free lessons at: http://www.khanacademy.org/video?v=xoUppFlif04
09:44
Harmonic Motion Part 3 (no calculus)

547 views / 0 likes - added 9 years ago

Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. More free lessons at: http://www.khanacademy.org/video?v=oqBHBO8cqLI
09:51
Electric Potential Energy (part 2-- involves calculus)

629 views / 0 likes - added 9 years ago

Electric potential energy difference in a varying field More free lessons at: http://www.khanacademy.org/video?v=CqsYCIjSm9A
01:44
Math Whizzes Of Ancient Babylon Figured Out Forerunner Of Calculus

547 views / 0 likes - added 8 years ago

Clay tablets document precocious astronomical calculations by 50 B.C.E. Read more: http://scim.ag/1nRxu3V Read the research ($): http://scim.ag/1PVEVgT
01:51
Why Hurricane Categories Make a Difference

658 views / 3 likes - added 2 years ago

During a hurricane you usually hear meteorologists refer to its intensity by categories. If you don't know the difference between a category 1 and a category 5 hurricane, The Weather Channel meteorologist Mark Elliot breaks it down for you.
04:47
The Case for Hovercars

465 views / 0 likes - added 6 years ago

Mathematically, they've got a lot going for them. Last week's video on the calculus of bad driving: https://www.youtube.com/watch?v=pI62ANEGK6Q NOTE: Leibniz independently discovered/invented calculus. Liebnitz is my imaginary slope friend.
04:28 Popular
Product rule - Logarithm derivatives example

977 views / 0 likes - added 6 years ago

Learn calculus with this product rule Derivative example with logarithms and exponential functions. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMee
07:15
Product Rule for derivatives: Visualized with 3D animations

552 views / 0 likes - added 5 years ago

Visual representation of the product rule for derivatives in Calculus.
09:07
Newton Leibniz And Usain Bolt

617 views / 0 likes - added 8 years ago

Why we study differential calculus More free lessons at: http://www.khanacademy.org/video?v=EKvHQc3QEow
10:02 Popular
Derivatives: Crash Course Physics #2

1,113 views / 0 likes - added 8 years ago

CALCULUS! Today we take our first steps into the language of Physics; mathematics. Every branch of science has its own way to describe the things that it investigates. And, with Physics, that's math. In this episode, Shini talks us through derivatives and
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I Have a SECRET HOUSE in Minecraft Hardcore..

791 views / 13 likes - added 3 years ago

NEW MERCH : http://www.represent.com/dantdmsub pls : http://bit.ly/TxtGm8Twitch : http://www.twitch.tv/dantdmFollow Me : http://www.twitter.com/DanTDM http://www.instagram.com/DanTDMThumbnail House Image: http://arbtserver.net/wp/category/builds/
10:04
Introduction to Harmonic Motion

468 views / 0 likes - added 9 years ago

Intuition behind the motion of a mass on a spring (some calculus near the end). More free lessons at: http://www.khanacademy.org/video?v=Nk2q-_jkJVs
02:00 Popular
What it's like to fly through Hurricane Florence

1,193 views / 4 likes - added 5 years ago

Experience what it's like to fly through a Category 4 hurricane in NOAA's WP-3D Hurricane Hunter. With Hurricane Florence's 130 MPH winds raging, you can literally feel the stillness in the storm's eye. Media NOAA/Nick Underwood For more hurricane science
02:59
Proof that 1 = 2.

515 views / 0 likes - added 6 years ago

Using algebra and a little deception, Mr. John Hush proves (or does he?) that 1 = 2 to a class of amazed calculus students.
01:12
These Bags Make Perfect Grilled Cheese

516 views / 0 likes - added 6 years ago

Toaster Grilled Cheese Bags prevent your grilled cheese from burning. The INSIDER team believes that life is an adventure! Subscribe to our channel and visit us at: https://thisisinsider.com INSIDER on Facebook: https://www.facebook.com/thisisinsider/ INS
21:35 Popular
How To Integrate Using U-Substitution

1,018 views / 0 likes - added 2 years ago

This calculus video tutorial provides a basic introduction into u-substitution. It explains how to integrate using u-substitution. You need to determine which part of the function to set equal to the u variable and you to find the derivative of u to get d
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Comparing Small Numbers On The Number Line | Counting | Early Math | Khan Academy

1,613 views / 0 likes - added 8 years ago

Learn to use a number line to compare numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/comparing-numbers-through-10?utm_source=Y
03:11
Introduction To Addition | Basic Addition And Subtraction | Early Math | Khan Academy

666 views / 0 likes - added 8 years ago

Learn what it means to add. The examples used in this video are 1+1 and 2+3. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/addition_1?utm_
10:03
Living with 1000s of Tumors (And Marrying a Man with the Same Condition)

438 views / 0 likes - added 4 years ago

Gail has thousands of tumors due to a condition known as neurofibromatosis. She grew to love herself and was happy to live independently. Gail then met her husband, who lives with the same diagnosis, at age 50.SBSK Patreon: https://patreon.com/SBSKSBSK So
14:44
Newton's quarantine notes that changed math forever

329 views / 0 likes - added 3 years ago

Documents shown:October 1666 Tract on Fluxions (Original) [Starts page 93/190. Demonstration on page 100]: https://cudl.lib.cam.ac.uk/view/MS-ADD-03958/93October 1666 Tract on Fluxions (Translated): http://www.newtonproject.ox.ac.uk/view/texts/normalized/
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Top 5 Hurricane Irma Science Experiments 2017 DIY Hurricanes and Tornado!

879 views / 8 likes - added 6 years ago

Welcome back to Incredible Science. The forecast is calling for a category 5 hurricane.Today I'll show you some really awesome hurricane science experiments. With hurricane Harvey behind us and Hurricane Irma about to slam Florida it's a great time to lea
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How Princess Leia Was Brought Back in 'Star Wars: The Rise of Skywalker' | Localish

427 views / 0 likes - added 4 years ago

The latest movie in the Star Wars franchise, 'Star Wars: The Rise of Skywalker,' is epic in its battle scenes, speeder chases and lightsaber duels. But one of the biggest challenges for the visual effects team was something seemingly smaller, though hugel
01:26 Popular
Dance Monkey - Karolina Protsenko - Street Performance - Violin Cover

812 views / 2 likes - added 2 years ago

My violin cover of "Dance Monkey" (original by Tones and I). I hope you like my street performance.You can support me and tip on my paypal https://www.paypal.me/KarolinaProtsenkoAll financial support goes towards to my education!!You can support me by str
03:28 Popular
People were AMAZED - Believer - Imagine Dragons - Violin Cover by Karolina Protsenko

1,247 views / 9 likes - added 2 years ago

My street performance at the Venice Beach. I am playing a violin cover of "Believer" (original by Imagine Dragons). I hope you like it.LET'S CONNECT - https://www.instagram.com/karolina_protsenko/- https://www.facebook.com/pages/category/Musician/Karolina
03:45
Despacito - Luis Fonsi ft. Daddy Yankee | Violin Cover by Karolina Protsenko

594 views / 0 likes - added 2 years ago

My violin cover of "Despacito" (original by Luis Fonsi ft. Daddy Yankee) with @Raphael Batista on 5 string violin. I hope you like it.You can support me and tip on my paypal https://www.paypal.me/KarolinaProtsenkoAll financial support goes towards to my e
04:50
Why is Relativity Hard? | Special Relativity Chapter 1

464 views / 0 likes - added 6 years ago

Thanks to http://www.brilliant.org/minutephysics for supporting this video! Thanks to my friend Mark Rober (https://www.youtube.com/channel/UCY1kMZp36IQSyNx_9h4mpCg) for making the spacetime globe, and to Grant Sanderson (https://www.youtube.com/3blue1bro
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Unchained melody - Karolina Protsenko

619 views / 0 likes - added 2 years ago

My violin cover of "Unchained Melody" original by Righteous Brothers. I hope you like it.Please, subscribe to my Youtube channel https://bit.ly/KarolinaProtsenkoViolinistYou can support me by streaming or getting my music here! - iTunes: https://music.app
11:45
Neil deGrasse Tyson Explains The Three-Body Problem

25 views / 0 likes - added 1 week ago

What is the three body problem? Neil deGrasse Tyson and comedian Chuck Nice break down why the three body problem is unsolvable and what makes it mathematically chaotic. Is the solar system unstable? Find out about Isaac Newton’s worries about the s
01:36
RACING DRONE VS ROLLERCOASTER HELIX! A different POV

482 views / 0 likes - added 4 years ago

Epic chase of the ride HELIX at Liseberg in Gothenburg, Sweden. Big thanks to my sponsors! Elefun https://www.elefun.se/rc/hobby.aspx Diatone https://www.diatone.us Carbix http://www.carbix.se/category.html/mu... Tattu https://www.gensace.de/ Drone setup:
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How to Fail at Natural Disaster Survival (Roblox)

1,088 views / 4 likes - added 2 years ago

when the Natural Roblox Survival is DisasterThanks for stopping by! Leave a like on this video and subscribe if you enjoy my Roblox gameplay videos.Use star code "Remainings" when purchasing Robux or Premium here! https://roblox.com/robux https://roblox.c
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Bad Guy - Billie Eilish - Karolina Protsenko feat. Daniele Vitale

579 views / 1 likes - added 2 years ago

My violin cover of "Bad Guy" feat. Daniele Vitale Sax (original by Billie Eilish). I hope you like how we perform this song together .Please subscribe to Daniele Vitale's Sax YouTube channel here https://www.youtube.com/channel/UCaQhy_pdgjkcVeh6bIfoVlgPle
13:26 Popular
Old Roblox Simulator (RetroStudio)

2,420 views / 5 likes - added 2 years ago

today we look at roblox games that are the oldgame: https://www.roblox.com/games/5846386835/RetroStudioThanks for stopping by! Leave a like on this video and subscribe if you enjoy my Roblox gameplay videos.Use star code "Remainings" when purchasing Robux
02:54 Popular
Ave Maria - Violin and Piano - Mom and Daughter - Karolina Protsenko

717 views / 1 likes - added 2 years ago

I am playing on violin and my Mom on piano "Ave Maria". It's very beautiful classical piece. I hope you like our performance.You can support me and tip on my paypal https://www.paypal.me/KarolinaProtsenkoAll financial support goes towards to my education!
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

920 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
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What is the Evidence for Evolution?

1,479 views / 1 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly Biologists teach that all living things on Earth are related. Is there any solid evidence to back this claim? Join us as we explore the facts! We start with a close look at the origi
01:45 Popular
The Surprising Science Behind the Word ‘Pokemon

717 views / 0 likes - added 7 years ago

By now, words like “Pokémon,” “karaoke” and “anime” are established terms in modern English. But … are these words English or Japanese? As it turns out, neither! They fall into their own category entirely.
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03:15 Popular
Seorita - Karolina Protsenko (ft. Barvina)

917 views / 4 likes - added 2 years ago

My violin cover of "Seorita" (original by Shawn Mendes, Camila Cabello) with my friend @Barvina Show. I hope you like our performance.Please, subscribe to Barvina's channel https://bit.ly/BarvinaShowPlease, subscribe to my Youtube channel https://bit.ly/K
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A Million Dreams - The Greatest Showman - Angelica Hale - Karolina Protsenko - Violin Cover

951 views / 5 likes - added 2 years ago

My violin cover with Angelica Hale singing. We were performing together on stage for the first time. The beautiful song "A Million Dreams" (from The Greatest Showman"). I hope you like our live performance.Please subscribe to Angelica's channel https://ww
03:18 Popular
HAVANA - Camila Cabello - Cover by Karolina Protsenko (feat. Barvina)

834 views / 0 likes - added 2 years ago

My violin cover of Havana (original by Camila Cabello) with my friend @Barvina Show singing along. I hope you like our duo.My other video with Barvina https://youtu.be/c8557HqkKOwPlease, subscribe to Barvina's channel https://bit.ly/BarvinaShowPlease, sub
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This Is NOT NATURAL

1,138 views / 1 likes - added 8 years ago

SUBSCRIBE for more: http://bit.ly/asapsci Fresh vs Frozen video: https://youtu.be/zjsOOT347cA What The Heck is Gluten? video: https://youtu.be/DXjpb7SFi3s This episode was inspired by the work of James Kennedy. Check out all of his 'Natural' food infograp
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04:47 Popular
The Squid and the Whale: Evidence for an Epic Encounter

812 views / 0 likes - added 5 years ago

Happy Cephalopod Week! One of the most famous dioramas in the American Museum of Natural History depicts a battle between two gigantic animals: the sperm whale and giant squid. But unlike most dioramas in the Museum’s halls, this scene has never been witn
12:29 Popular
Copied Versions of Popular Roblox Games 10

1,634 views / 7 likes - added 2 years ago

today i look at copied versions of the popular roblox games Tower of Hell and Brookhaven, and there was definitely some gaming to be hadThanks for stopping by! Leave a like on this video and subscribe if you enjoy my Roblox gameplay videos.Use star code "
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The Disease Detectives Stop Outbreaks at Their Source

348 views / 0 likes - added 4 years ago

After two category 5 hurricanes hit the U.S. Virgin Islands in 2017, the immediate aftermath left buildings destroyed and neighborhoods flooded. But another, less visible, threat left local health officials very concerned. After traces of the bacterial in
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THE FAMOUS BENDING SPOON TRICK REVEALED

75 views / 0 likes - added 5 months ago

THE FAMOUS BENDING SPOON TRICK REVEALEDtag: cool magic tricks with paper,3 easy magic tricks you can do at home,magic tricks that will blow your mind,magic tricks,magic tutorial,magic trick,card trick tutorial,magic trick tutorial,magic,magic card trick t
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Despacito - Karolina Protsenko ft. Daniele Vitale - Luis Fonsi ft. Daddy Yankee - Cover

670 views / 1 likes - added 2 years ago

My violin cover of "Despacito" (original by Luis Fonsi and Daddy Yankee) with an amazing @Daniele Vitale Sax Please, check out our other video https://youtu.be/JuRbCGnwjIcSubscribe to Daniele's Vitale Sax channel https://www.youtube.com/c/DanieleVitaleSax
09:59 Popular
I Magically Become A Mermaid Cookie Swirl C Roblox

4,531 views / 18 likes - added 3 years ago

Today in Roblox my dream comes true of becoming a mermaid. I look like a human on land but once I go into the ocean water I turn in a mermaid like magic. I hope you enjoy this video Hugs!!! Subscribe for FREE and never miss a video! Click here : http://bi
03:39 Popular
What Are Stars?

1,900 views / 4 likes - added 8 years ago

Find out what makes stars what they are, and take a tour of some of the most extreme stars in space! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome
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01:28 Popular
Deliciously Adorable & Easy To Make SHOPKINS CUPCAKE Recipe

1,518 views / 3 likes - added 7 years ago

Learn this ultimately cute and yummy Shopkins Cupcake recipe and more delicious & easy to make recipes by HooplaKidz Recipes For more yumminess, click here: https://goo.gl/VnkN8n Watch some of our other Recipes: Click here to learn how to make Play Doh Wi
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03:01
Love Quinoa? Thank the International Man of Botany

387 views / 0 likes - added 4 years ago

Love mangoes and dates? Cant imagine a grain bowl without quinoa? We have botanist David Fairchild to thank for bringing these foods and many more to the United States. Fairchild spent his entire career traveling the world learning from indigenous food cu
35:52 Popular
Delicious Cartoon Character Cakes So Good You'll Wish You Had Baked | Birthday Cake Recipes

1,148 views / 0 likes - added 7 years ago

Check out the most delicious recipe : https://goo.gl/eOpHto Subscribe to our channel for more updates: https://goo.gl/goaCNi Surprise your little ones with these delicious and delightful cartoon character birthday cake recipe by HooplaKidz Recipes Click h
03:15
After Hurricane Maria, Building a Community Under the Sea

602 views / 0 likes - added 5 years ago

Raimundo Chirinos has devoted his life and career to protecting Puerto Rico’s waters. And in the wake of Hurricane Maria, his devotion matters more than ever. Among its many assaults, the Category 5 storm pulled fishing gear from the island’s shores into
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The Ultimate Fight: Tardigrade vs. Bird #shorts #kurzgesagt

82 views / 0 likes - added 5 months ago

Follow us for more sciencey content.Sources & further reading: https://sites.google.com/view/kgs-tiktok-sourcesTardigrades win in the "coolest nickname" category as well, as they are also known as "water bears"! #kurzgesagt #kurzgesagt_inanutshell #inanut
03:59 Popular
Vectors and Scalars - Physics

1,486 views / 0 likes - added 7 years ago

Learn the difference between vectors and scalars in this simple tutorial. Vectors have direction while scalars do not. You will be a physics expert in no time. My name is Chris and my passion is to teach math. Learning should never be a struggle which is
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8 Perfect Oreo Recipes For Cookie Addicts

768 views / 0 likes - added 7 years ago

For more yummy Easy Recipes, click here: https://goo.gl/VnkN8n Make some deliciously amazing Oreo recipes to feed and give some happiness to your lazy sweet tooth! Watch this video and learn to make 8 mouth watering Oreo Recipes Perfect for all occasions,
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15:22
Optimization - Maximum Volume Of Box

630 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com/watch?v=kV3K4Ppz6fw Optimization - "Minimum sum of two
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Optimization - Maximum Profit

573 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. In this example we maximize profit using optimization. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com
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Optimization - Minimum Sum Of Two Numbers

586 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com/watch?v=kV3K4Ppz6fw Optimization - "Maximum volume of
04:56 Popular
Disney Frozen Sparkle Princess Elsa Cupcakes | Birthday Cupcakes | HooplaKidz Recipes

1,262 views / 1 likes - added 7 years ago

For more yumminess, click here: https://goo.gl/VnkN8n Esla Cupcake for all disney fans!, These super amazing Elsa Cupcakes are quick and easy to make perfect for a frozen themed party, learn how to make them with this quick and easy recipe video, inspired
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07:23 Popular
Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

930 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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Optimization - Minimum Time To Cross River

689 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. In this example we maximize profit using optimization. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com
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Are Tall People Killing the Planet?

54 views / 0 likes - added 2 months ago

From little to large, could our growth spurt be giving Earth a hard time?Watch more Life Noggin "What Would Walking For 24 Hours Do To Your Body?" https://www.youtube.com/watch?v=twClW4uetUI&t=13sCheck out the team that powers Life Noggin! https://www.lif
02:34 Popular
Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

877 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
04:35 Popular
Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

1,266 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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Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

1,124 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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Are We Running Out of Vanilla? — Speaking of Chemistry

528 views / 0 likes - added 7 years ago

Vanilla is so common, some people use it as a diss. But watch out. This beloved bean may become a rarity. Read more: http://cen.acs.org/articles/94/i36/problem-vanilla.html ↓↓More info and references below↓↓ Special thanks to My Green Pets for sharing the
05:04
Why Do Volcanic Eruptions Form Mushrooms Clouds? - Christmas Lectures with James Jackson

556 views / 1 likes - added 3 years ago

Volcanic eruptions form distinctive mushroom clouds when the extremely hot mixture of gas, magma and rocks shoots out of the volcano at high speed.Watch the full third lecture of the series: https://www.rigb.org/christmas-lectures/watch/1995/planet-earth-
48:59 Popular
Area Between Two Curves

976 views / 0 likes - added 2 years ago

This calculus video tutorial provides a basic introduction in finding the area between two curves with respect to y and with respect to x. It explains how to set up the definite integral to calculate the area of the shaded region bounded by the two curves
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How Do We Know That the Earth's Magnetic Poles Have Flipped? - Christmas Lectures with James Jackson

420 views / 0 likes - added 3 years ago

Volcanic rocks contain small bits of iron oxide that get magnetised in the direction of the Earth's magnetic field as they cool. Comparing rocks of different ages reveals the magnetic history of our planet.Watch the full second lecture of the series: http
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The Fossil Record In Your Mouth

174 views / 0 likes - added 2 years ago

The hardened residue scraped off your teeth at the dentist is called your dental calculus, and your dental calculus is the only part of your body that actually fossilizes while youre alive! And scientists have figured out how to study & trace the evolutio
07:17 Popular
Girl Wants To Trade For Her Dream Pet Adopt Me Cookie Swirl C Roblox

2,366 views / 15 likes - added 3 years ago

Today in Adopt Me Roblox I meet a girl who just want her dream pet, a parrot. Then she sees a girl willing to trade her parrot named Smoothie. Will they trade so she can get her dream pet? Let's see. I hope you have a wonderful day and enjoy this video .
12:33
Making a Hurricane Indoors (For Science)

419 views / 0 likes - added 1 year ago

SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub Were on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below Hurricanes, typhoons, and tropical cyclones are Earths most powerful storms, capable of un
03:02
Challenge: Can You Save Earth From A Killer Asteroid? | Space Time | PBS Digital Studios

624 views / 0 likes - added 8 years ago

You are the planet's only hope! Solve the equation and save humanity. Find necessary information below. Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/p
06:41
How Do Helicopters Fly? | Make a Helicopter!

508 views / 1 likes - added 2 years ago

There's a helicopter on Mars, but you don't have to go that far to make one in your own home!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you have a question for Jessi, Squeaks, and
03:38 Popular
3 Cool Facts About Cats!

1,787 views / 7 likes - added 8 years ago

Even if you have a cat of your own, you might not know these three amazing things about our furry friends! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our aw
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11:29 Popular
First Day Gymnastics Class Cookie Swirl C Roblox

4,374 views / 21 likes - added 3 years ago

Today In Roblox I'm going to gymnastics class in the game Platinum Stars Gymnastics. The teacher will teach all the students how to flip and fly in the air. I hope I can keep up. Enjoy this video :D :D Subscribe for FREE and never miss a video! Click here
05:20 Popular
Overview Of Pixar In A Box

863 views / 0 likes - added 8 years ago

To see the full curriculum, go to www.pixarinabox.org. Learn how Pixar filmmakers use science, technology, engineering, art, and math to create movie magic. Pixar in a Box is a collaboration between Khan Academy and Pixar Animation Studios, sponsored by D
06:47 Popular
Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

1,484 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
06:47 Popular
Noble gas configuration

773 views / 0 likes - added 6 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
04:27
Pluto Could Be Made A Planet Again, Along With 102 Other Celestial Bodies

680 views / 0 likes - added 7 years ago

This proposed new definition of "planets" would bring back Pluto, but would also reclassify over a hundred other celestial bodies -- including our moon! Do You Know What Color Pluto Really Is? - https://youtu.be/8beVI8wdkZg Sign Up For The Seeker Newslett
10:26 Popular
Ecology - Rules for Living on Earth: Crash Course Biology #40

2,201 views / 0 likes - added 9 years ago

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea
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10:28
McDonald's Tricks You Fall For Every Single Time

314 views / 0 likes - added 3 years ago

Since the 1940s, McDonald's has enjoyed a mainstream popularity other fast food companies could only dream of having. For better or worse, McDonald's has immense power and influence around the world, thanks in large part to its marketing and advertising.
03:49 Popular
Meet The Prepositions | Prepositions | The Parts Of Speech | Grammar

1,056 views / 1 likes - added 7 years ago

Prepositions help show us where things are in space and time. Practice this yourself on Khan Academy right now: http://www.khanacademy.org/the-preposition/e/meet-the-preposition Watch the next lesson: https://www.youtube.com/watch?v=96sojEZsKu8 The parts
19:31 Popular
Math Magic

716 views / 0 likes - added 8 years ago

Links to sources, more math magic, and other cool things below! My Twitter: http://www.twitter.com/tweetsauce My Instagram: http://www.instagram.com/electricpants Thanks to Vanessa from BrainCraft! Check out her channel: https://www.youtube.com/user/brain
19:31
Math Magic - Visualizing 52 factorial

504 views / 0 likes - added 2 years ago

Links to sources, more math magic, and other cool things below! My Twitter: http://www.twitter.com/tweetsauce My Instagram: http://www.instagram.com/electricpants Thanks to Vanessa from BrainCraft! Check out her channel: https://www.youtube.com/user/brain
05:47 Popular
What Does It Take To Be An Astronaut?

706 views / 0 likes - added 7 years ago

What does it take to have the "Right Stuff" to become an Astronaut? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/ Follow us on Twitter: @universetoday Follow us on Tumblr: http://universetoday.tumblr.co
10:44
The Napkin Ring Problem

316 views / 0 likes - added 3 years ago

Brain Candy Live FALL TOUR: http://www.braincandylive.com/ticketsThe Curiosity Box: https://www.curiositybox.com/LINKS TO LEARN MORE BELOW!my twitter: http://www.twitter.com/tweetsauceAdam and I (but mainly Adam) making a kendama: https://www.youtube.com/
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Intensifiers And Adverbs Of Degree | Modifiers | The Parts Of Speech

992 views / 0 likes - added 7 years ago

Words like 'very' and 'slightly' are examples of intensifiers and adverbs of degree. Here's how they work! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modifier/e/intensifiers-and-adver
07:45 Popular
Introduction to chemistry

805 views / 0 likes - added 6 years ago

A big picture intro to chemistry and why it is fascinating. 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. This material roughly covers a fir
01:51 Popular
Crossing The River - Brain Teaser

921 views / 0 likes - added 8 years ago

Try to solve this fun brain teaser. Cross the river with all of the zombies and humans. The boat can only fit two at a time. Also there can never be more zombies than humans. My name is Chris and my passion is to teach math. Learning should never be a str
06:52 Popular
Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

1,592 views / 0 likes - added 7 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
11:05
A Real Life Haptic Glove (Ready Player One Technology Today) - Smarter Every Day 190

646 views / 0 likes - added 6 years ago

http://www.audible.com/Smarter or text "Smarter" to 500-500 Click here to subscribe for next video: http://bit.ly/Subscribe2SED A huge thank you to HaptX Inc. for letting me visit! ⇊ Click below for more links! ⇊ I'm a huge fan of Ready Player One. Here's
03:10 Popular
Don't Checkmate - Brain Teaser

783 views / 0 likes - added 8 years ago

Don't checkmate the black king. In this brain teaser you must find one move for white which will not result in immediate checkmate for the black king. I also have a bunch of other fun brain teasers as well. My name is Chris and my passion is to teach math
10:57
BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

584 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
12:00 Popular
Do Animals Sound More Realistic in Japanese or English?

1,387 views / 0 likes - added 7 years ago

I noticed that the sound that animals made were different in Japanese and English. Which animals do you think sound more realistic in Japanese vs. English? What do animals sound like where you're from? Here are the names of animals and the sounds they mak
05:09 Popular
Finding Units Of Rate Constant K

1,370 views / 0 likes - added 7 years ago

How to find the units for the rate constant k for a zero, first, or second order reaction. 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. Thi
05:44 Popular
Can Sharks Really Grow an Unlimited Number of Teeth

1,139 views / 7 likes - added 6 years ago

If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voice on your GPS and the ever requested Simon Whistler whistling packa
06:44
BONUS VIDEO | Terminal Prepositions | Prepositions | The Parts Of Speech

535 views / 0 likes - added 7 years ago

It's totally okay to end sentences with prepositions! David, Khan Academy's grammarian-in-chief, explains the history and the context behind this long-held grammar myth. Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/gramma
05:38 Popular
Prepositional Phrases | Prepositions | The Parts Of Speech | Grammar

733 views / 0 likes - added 7 years ago

Prepositional phrases are word chunks that begin with a preposition. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositional-phrases/ Missed the previous lesson? https://www.khanacademy.org/the-preposi
03:34 Popular
Introduction To Agreement | Verbs | The Parts Of Speech

785 views / 0 likes - added 7 years ago

When you match up the subject of a sentence with a verb, it's called 'agreement'. Here's how it works! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-verb-agreement M
07:37
Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

645 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
08:26
Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

579 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
04:00 Popular
What's The Best Way To Whiten Teeth?

703 views / 1 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions In the age of selfies, it seems everyone wants to have a whiter, brighter smile. While one option to achieve this involves a trip to the dentist for a professional whitening, many people have turned to over-the-counte
02:36 Popular
Prepositions Of Neither Space Nor Time | Prepositions | The Parts Of Speech | Grammar

906 views / 0 likes - added 7 years ago

Some prepositions describe relationships between people or things. These prepositions don’t include information about time or space. Watch the next lesson: https://www.khanacademy.org/the-preposition/e/common-prepositions Missed the previous lesson? Watch
04:18
How to use italics and underlines | Punctuation | Khan Academy

563 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
05:12
Ellipses | Punctuation | Khan Academy

665 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
04:32 Popular
Does Homeopathy Work?

1,266 views / 1 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Homeopathy is a category of “alternative medicine” that emerged some 200 years ago. But does it work? While a growing number of people are turning to such remedies to treat a range of health conditions, the majority o
02:04 Popular
Guess The Diagonal - Brain Teaser

1,089 views / 0 likes - added 8 years ago

Try to solve this brain teaser in less than a minute. You must guess the diagonal inside of the circle. There is enough information given which allows you to find the length of the diagonal in less than a minute. My name is Chris and my passion is to teac
04:50
Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

601 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
06:08 Popular
Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

780 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
11:17
Naked Eye Observations: Crash Course Astronomy #2

665 views / 0 likes - added 9 years ago

Today on Crash Course Astronomy, Phil invites you to head outside and take a look at all the incredible things you can see with your naked eye. -- Table of Contents: Naked Eye Observations 0:28.4 Constellations 3:09.7 The Color of Stars 2:44.5 View of the
07:48 Popular
Introduction To The SAT Writing & Language Test | Tips & Planning | New SAT | Khan Academy

753 views / 0 likes - added 8 years ago

This is the last video in our New SAT subject! Missed the previous lesson? https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-reading-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT New SAT (starting M
05:22
Is the weather actually becoming more extreme? - R. Saravanan

434 views / 0 likes - added 3 years ago

Explore the differences between weather and climate what they are, how we predict them, and what those predictions can tell us. --From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cy
04:51 Popular
Hyphens vs. dashes | Punctuation | Khan Academy

830 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
07:50 Popular
Compound Prepositions | Prepositions | The Parts Of Speech | Grammar

951 views / 0 likes - added 7 years ago

These prepositions are called compound prepositions, or multisyllabic prepositions. Like most prepositions, they have both literal and figurative meanings. David explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech
02:41 Popular
Trick Question - True or False

856 views / 0 likes - added 7 years ago

Think you can answer this simple trick question? Does .9 repeating equal 1? Find the solution in this video. My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I make all my videos as simple and fun as possi
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06:20
Dashes | Punctuation | Khan Academy

510 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-
05:10 Popular
Prepositions Of Space | Prepositions | The Parts Of Speech | Grammar

1,110 views / 0 likes - added 7 years ago

Some prepositions help describe relationships between objects and their locations in space. David explains how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the nex
05:16 Popular
Prepositions Of Time | Prepositions | The Parts Of Speech | Grammar

1,262 views / 0 likes - added 7 years ago

Some prepositions help describe moments in time. Learn more and enhance your powers of time wizardry! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-preposition/e/prepositions-about-time-and-space Watch the next lesson:
07:57 Popular
Le Chatelier's principle: Worked example | Chemical equilibrium | Chemistry | Khan Academy

936 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
03:43 Popular
BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

845 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
04:34
What is a sentence? | Syntax | Khan Academy

554 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:
05:40
BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

462 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
19:30
11 Levels of Prosthetic Makeup: Easy to Complex | WIRED

171 views / 0 likes - added 1 year ago

Professional prosthetic makeup artist Meg Wilbur explains special effects makeup in 11 levels of difficulty, from easy to complex. Special effects makeup is a really broad category, so Meg defines complexity as increasingly elaborate flourishes, texture a
03:13
Using quotation marks in titles | Punctuation | Khan Academy

560 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:
15:16 Popular
Planck's Constant and The Origin of Quantum Mechanics | Space Time | PBS Digital Studios

1,193 views / 0 likes - added 7 years ago

To check out any of the lectures available from Great Courses Plus go to http://ow.ly/K9mK301cRdj and get ready to learn about everything from cooking to calculus. Previous episode on Quantum Tunneling and the de Broglie Wavelength: https://www.youtube.co
01:32 Popular
Easy Puzzle - But can you solve it?

1,414 views / 0 likes - added 7 years ago

Solve this puzzle by cutting the piece of wood into two pieces. Both pieces must fit exactly into the hole. Can you solve this easy puzzle? Watch the video and find out. My name is Chris and my passion is to teach math. Learning should never be a struggle
02:52
Three ways to end a sentence | Punctuation | Khan Academy

578 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
03:29 Popular
Mind blowing brain teaser - Folding paper to the moon

908 views / 1 likes - added 7 years ago

Can you solve this mind blowing brain teaser? How many times can you fold a piece a paper before it reaches the moon? Find out the solution in this brain teaser in this video. My name is Chris and my passion is to teach math. Learning should never be a st
02:21
Trick Question - Test your math skills

697 views / 0 likes - added 7 years ago

Find the maximum and minimum values of X in this trick question. Each value of X must satisfy the given inequality. Test your math skills and have fun with this trick question. My name is Chris and my passion is to teach math. Learning should never be a s
03:02 Popular
Can you solve the never ending square root?

2,980 views / 0 likes - added 7 years ago

This never ending square root can actually be solve using basic alegra. Find the exact value of this never square root. This problem is much easier than it looks. My name is Chris and my passion is to teach math. Learning should never be a struggle which
02:46 Popular
Introduction to Grammar | Grammar | Khan Academy

961 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
04:09
Parentheses | Punctuation | Khan Academy

406 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
My Amazing WEAVER ANTS | The Coolest Ants You Ever Did See

210 views / 0 likes - added 2 years ago

Meet my beloved pet Asian Weaver ants! They're a super unique colony, especially in light of their nesting behaviours. Come take a deep look and marvel at the lives of weaver ants who construct impressive leaf nests in trees. Hope you enjoy this mid-week
01:51 Popular
Test your math IQ - Part 1

812 views / 0 likes - added 7 years ago

Test your math IQ with this fun question. There are two 12 sided coins. Find the measure of the angle when the coins are side by side. Each side of the coin is equal length. My name is Chris and my passion is to teach math. Learning should never be a stru
03:53
What Is Zero? Getting Something From Nothing - With Hannah Fry

560 views / 1 likes - added 8 years ago

Is zero really a number? How did it come about? Hannah Fry tells the story of how zero went from nothing to something. Subscribe to our channel for weekly science lectures and short films: http://bit.ly/RiSubscRibe Help translate this film: http://www.you
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55:31
Chemistry of Christmas with Katherine Haxton

52 views / 0 likes - added 3 months ago

We're celebrating Christmas the only way we know how - with Chemistry!Join this channel to get access to perks:https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/joinSubscribe for regular science videos: http://bit.ly/RiSubscRibeThis lecture was rec
13:32
The Quantum Experiment that Broke Reality | Space Time | PBS Digital Studios

556 views / 0 likes - added 7 years ago

The double slit experiment radically changed the way we understand reality. To check out any of the lectures available from The Great Courses Plus go to http://ow.ly/QVaz302duhX and get ready to learn about everything from cooking to calculus. Get your ow
02:09
Test your math IQ - Part 2

684 views / 0 likes - added 7 years ago

Test your math IQ with this fun question. There are ten green socks and 10 blue socks in a basket. You can not see a thing. How many socks would you need to take out of the basket to ensure you had a least a pair? My name is Chris and my passion is to tea
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03:45
Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

600 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
06:45
Life in the Redwoods | Surprising Animals of the Redwood Forest

291 views / 0 likes - added 2 years ago

Jessi and Squeaks are learning more about the redwoods, and all the different animals that live in the different layers!----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you have a quest
05:07 Popular
Complex sentences | Syntax | Khan Academy

768 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
03:50
Adjectives and commas | Adjectives | Khan Academy

691 views / 1 likes - added 6 years ago

When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-
01:27 Popular
The Easiest Brain Teaser that will rack your brain

913 views / 0 likes - added 7 years ago

This is the easiest brain teaser that will rack your brain. 5 people can build 5 houses in 5 days. How long will it take 100 people to build 100 houses? My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I m
04:55 Popular
Solve the right triangle - Trigonometry Brain Teaser

1,671 views / 0 likes - added 7 years ago

A square is inside of a right triangle. The length of each side of the triangle is 3-4-5. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne
11:14 Popular
Top 10 Strangest Planets Ever Discovered in Outer Space

2,227 views / 5 likes - added 5 years ago

From 55 cancri e - the diamond planet - to versions of earth within the habitable zone, you'll be amazed at these incredible weird and strange planets ever discovered in outer space. Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo
03:04 Popular
Trick Question - Find the missing dollar

744 views / 1 likes - added 7 years ago

Trick question! Three friends are overcharged for their hotel room. The hotel decides to refund the difference. After the hotel issues the refund one dollar has mysteriously disappeared. Where is the missing dollar? Find the solution to this trick questio
01:36 Popular
Are you smart enough to solve this simple brain teaser?

762 views / 0 likes - added 7 years ago

This simple brain teaser is not so easy. A virus is doubling every singe day. On the 67th day the virus has reached its max population. When will the virus reach half of its max population. My name is Chris and my passion is to teach math. Learning should
04:33 Popular
Can you solve Zeno's paradox? - Brain Teaser

1,614 views / 0 likes - added 7 years ago

Zeno's paradox is one of the most well know math puzzles in history. Is it possible to add an infinite amount of numbers and get an exact value? This is one example of Zeno's paradox. Try and solve this paradox and learn about the Greek philosopher Zeno i
11:00
The Future of Artificial Intelligence: Crash Course AI #20

531 views / 0 likes - added 4 years ago

Today, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like Bladerunner, Her, or E
03:35
Why Do We Gain Fat? with Eugenia Cheng

305 views / 0 likes - added 3 years ago

In this short clip from her talk 'How To Think Like A Mathematician', Eugenia Cheng explains how a whole web of interconnected factors cause us to gain fat. Watch the full talk: https://youtu.be/8emPcpfqPRUEugenia's book "The Art of Logic" is available no
04:11
Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

551 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
01:07 Popular
The Easiest Brain Teaser You Might Get Wrong

930 views / 4 likes - added 7 years ago

Try and solve the easiest brain teaser you might get wrong. The chicken costs $1.00 more than the egg, and together they cost a total of $1.06. How much does the egg cost? My name is Chris and my passion is to teach math. Learning should never be a strugg
01:51
Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

499 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
02:31
Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

525 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
03:36 Popular
Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

930 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/
08:20 Popular
The Map of Physics

722 views / 0 likes - added 3 years ago

Everything we know about physics - and a few things we don't - in a simple map.If you are interested in buying a print you can buy it as a poster here: North America: https://store.dftba.com/products/map-of-physics-posterEverywhere else: http://www.redbub
07:25 Popular
Algebra Word Problem - Factoring

1,688 views / 0 likes - added 7 years ago

Learn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.
03:19 Popular
Commas in space and time | The Comma | Punctuation | Khan Academy

817 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
05:04 Popular
Area of a Triangle - Fun challenging math problem

2,109 views / 0 likes - added 7 years ago

Can you solve the area of a triangle given points X and Y. This is not a basic problem, but it is a fun and challenging math problem. See if you are smart enough to find the area of a triangle for yourself. My name is Chris and my passion is to teach math
05:24 Popular
Math Challenge - Shrinking Pool Problem

1,187 views / 0 likes - added 7 years ago

Think you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho
10:09
Integrals: Crash Course Physics #3

631 views / 0 likes - added 8 years ago

Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure out things like distance when we have several other key bits of information. Say, for instance, you wanted to know how far your window
04:09 Popular
Easy algebra word problem - But can you solve it?

1,432 views / 0 likes - added 7 years ago

Two workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach
07:04 Popular
Dependent and independent clauses | Syntax | Khan Academy

1,278 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
04:53
Subject-verb agreement | Syntax | Khan Academy

626 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
17:20
Rainbows explained Bob Ross style

337 views / 0 likes - added 3 years ago

Rainbows explained through a combination of art and science.Inspired? Check out this video's sponsor https://Brilliant.org/TibeesTimestamps:0:00 - Intro2:45 - Raindrop model7:08 - Drawing rainbow10:11 - Glories11:17 - Halos 12:39 - Double rainbows14:03 -
05:38 Popular
Algebra word problem - System of Equations

1,857 views / 0 likes - added 7 years ago

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My
02:50
Exclamations | Syntax | Khan Academy

470 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
04:14 Popular
Compound-complex sentences | Syntax | Khan Academy

842 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
02:51
Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

461 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
04:32 Popular
Math Word problems - Solving triangles

1,300 views / 0 likes - added 7 years ago

Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h
03:32
Three types of sentence | Syntax | Khan Academy

637 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
05:05
Parallel structure | Syntax | Khan Academy

650 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
02:01 Popular
The present tense | The parts of speech | Grammar | Khan Academy

801 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
12:59
Food Theory: What's SAFE To Eat After Nuclear Fallout?

659 views / 0 likes - added 3 years ago

Subscribeto become a Food Theorist! https://bit.ly/2CdCooVThe CURSE of Colonel Sanders!https://youtu.be/pkzQvXYa1ecLoyal Theorists, nowadays I seem to be thinking a lot about the future of the world. Over on my other channel, Game Theory, I've talked a lo
04:21
Introduction To The SAT Reading Test | Tips & Planning | New SAT | Khan Academy

599 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-writing-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous lesson? https://www.khanacademy.org/test-prep/new-s
21:50
Weaver Ants The Craziest Thing I've Ever Done in My Life

625 views / 0 likes - added 4 years ago

Click here to SUBSCRIBE: https://goo.gl/tlCQJZ Today we meet an ant princess, i.e. a #QueenAnt alate. She is a member of our new colony of #WeaverAnts, emerged from her nest due to conditions within their climate controlled setup. This queen is special an
09:03
BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

512 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
02:00 Popular
The past tense | The parts of speech | Grammar | Khan Academy

923 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=
02:50 Popular
The future tense | The parts of speech | Grammar | Khan Academy

957 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
04:19
Dangling modifiers | Syntax | Khan Academy

583 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
07:14
Content Changes To The New SAT | Tips & Planning | New SAT | Khan Academy

635 views / 0 likes - added 8 years ago

Sal covers the major content changes to the new SAT. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-math-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous l
04:29 Popular
Simple and compound sentences | Syntax | Khan Academy

920 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
02:18 Popular
Salutations and valedictions | Punctuation | Grammar | Khan Academy

823 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
04:07 Popular
Pronoun-antecedent agreement | Syntax | Khan Academy

764 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
03:48
Recognizing fragments | Syntax | Khan Academy

484 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
04:38
Run-ons and comma splices | Syntax | Khan Academy

592 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
01:56 Popular
Relative pronouns | The parts of speech | Grammar | Khan Academy

1,125 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/

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