Top videos

Teacherflix
11 Views · 2 years ago

This physics video tutorial provides a basic introduction int huygens principle.

Ray Diagrams:
https://www.youtube.com/watch?v=dBOzdoIsOEI

The Huygens Principle:
https://www.youtube.com/watch?v=ANsHXbIoA6U

Young's Double Slit Experiment:
https://www.youtube.com/watch?v=xaAthgG0o8o

Single Slit Diffraction:
https://www.youtube.com/watch?v=9hCrhllI0ck

Diffraction Grating Problems:
https://www.youtube.com/watch?v=gf7j2fumz70

Polarization of Light Problems:
https://www.youtube.com/watch?v=guqs0uXFpiU

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Brewster's Angle:
https://www.youtube.com/watch?v=PqXRrKHU74s

Planck's Constant and Blackbody Radiation:
https://www.youtube.com/watch?v=bF3WAOBejqg

Photon Momentum and Effective Mass:
https://www.youtube.com/watch?v=0Ycwm0Ybzh4

Wien's Law:
https://www.youtube.com/watch?v=yCNcbkLFTFs

Compton Effect & Wavelength:
https://www.youtube.com/watch?v=hzwykQ7KSRE

Physics 2 Final Exam Review:
https://www.youtube.com/watch?v=oH_V1WipnmE

_________________________________
Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio

Teacherflix
14 Views · 2 years ago

Click to Attempt the QUIZ - https://www.aatoonskids.com/me....ntal-maths-quiz-for-

In this mental maths quiz for kids, you will have to answer questions about basic maths concepts. This maths quiz for kids will help you improve your maths skills and Knowledge.

This quiz is perfect for kids who are looking to improve their maths skills. You will have to answer questions about basic maths concepts, like addition, subtraction, multiplication, and division. Try this quiz today and see how you fair!

Remember to share this quiz with your friends and family! We'd love to see your results!

Make sure to check out our other fun quizzes, mental maths quiz for kids, maths trivia for kids, and math solver for kids!

Quiz Time | Mental maths Quiz for Kids | Maths Trivia for Kids | Solve maths Quiz | @AAtoonsKids

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AAtoons Kids
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Teacherflix
91 Views · 2 years ago

Proving that vertical angles are equal

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/ang_intro/e/congruent_angles?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry

Watch the next lesson: https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/ang_intro/v/angles-formed-by-parallel-lines-and-transversals?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry

Missed the previous lesson?
https://www.khanacademy.org/math/geometry/parallel-and-perpendicular-lines/ang_intro/v/using-algebra-to-find-the-measures-of-vertical-angles?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry

Geometry on Khan Academy: We are surrounded by space. And that space contains lots of things. And these things have shapes. In geometry we are concerned with the nature of these shapes, how we define them, and what they teach us about the world at large--from math to architecture to biology to astronomy (and everything in between). Learning geometry is about more than just taking your medicine ("It's good for you!"), it's at the core of everything that exists--including you. Having said all that, some of the specific topics we'll cover include angles, intersecting lines, right triangles, perimeter, area, volume, circles, triangles, quadrilaterals, analytic geometry, and geometric constructions. Wow. That's a lot. To summarize: it's difficult to imagine any area of math that is more widely used than geometry.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Geometry channel:
https://www.youtube.com/channe....l/UCD3OtKxPRUFw8kzYl
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
82 Views · 2 years ago

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/ma....th/arithmetic-home/m

Understanding why lattice multiplication works

Watch the next lesson: https://www.khanacademy.org/math/arithmetic/multiplication-division/partial_quotient_division/v/partial-quotient-division?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic

Missed the previous lesson?
https://www.khanacademy.org/math/arithmetic/multiplication-division/lattice_multiplication/v/lattice-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic

Arithmetic on Khan Academy: So you're ready to have some arithmetic fun? You've come to the right spot! It's the first "official" math topic and chalked full of fun exercises and great videos which help you start your journey towards math mastery. We'll cover the big ones: addition, subtraction, multiplication, and division, of course. But we don't stop there. We'll get into negative numbers, absolute value, decimals, and fractions, too. Learning math should be fun, and we plan on having some with you. Ready to get started?

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Arithmetic channel: https://www.youtube.com/channe....l/UCFlJkgTNeC-FYYIQn
Subscribe to KhanAcademy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
18 Views · 2 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/vectors/e/unit-vector?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Watch the next lesson: https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/vectors/v/linear-algebra-parametric-representations-of-lines?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Missed the previous lesson?
https://www.khanacademy.org/math/linear-algebra/vectors_and_spaces/vectors/v/linear-algebra-vector-examples?utm_source=YT&utm_medium=Desc&utm_campaign=LinearAlgebra

Linear Algebra on Khan Academy: Have you ever wondered what the difference is between speed and velocity? Ever try to visualize in four dimensions or six or seven? Linear algebra describes things in two dimensions, but many of the concepts can be extended into three, four or more. Linear algebra implies two dimensional reasoning, however, the concepts covered in linear algebra provide the basis for multi-dimensional representations of mathematical reasoning. Matrices, vectors, vector spaces, transformations, eigenvectors/values all help us to visualize and understand multi dimensional concepts. This is an advanced course normally taken by science or engineering majors after taking at least two semesters of calculus (although calculus really isn't a prereq) so don't confuse this with regular high school algebra.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to KhanAcademy’s Linear Algebra channel:: https://www.youtube.com/channe....l/UCGYSKl6e3HM0PP7QR
Subscribe to KhanAcademy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
8 Views · 9 months ago

Why are bicycles stable? The most common answer is gyroscopic effects, but this is not right. This video was sponsored by Kiwico. Get 50% off your first month of any crate at https://kiwico.com/veritasium50

Huge thanks to Rick Cavallaro for creating this bike on short notice. Thanks to all the friends who participated in the filming. Rick was also responsible for the Blackbird Faster Than The Wind Downwind Cart. https://youtu.be/jyQwgBAaBag

Much of the information presented here on the stability of a riderless bicycle stems from original research at
Delft http://bicycle.tudelft.nl/schwab/Bicycle/
and
Cornell http://ruina.tam.cornell.edu/r....esearch/topics/bicyc

This line of bicycle-balance research was initiated by Jim Papadopoulos: https://www.nature.com/articles/535338a

Great videos on bikes and counter-steering:

MinutePhysics: How Do Bikes Stay Up? https://youtu.be/oZAc5t2lkvo

MinutePhysics: The Counterintuitive Physics of Turning a Bike: https://youtu.be/llRkf1fnNDM

Why Bicycles Do Not Fall - Arend Schwab TED talk: https://youtu.be/2Y4mbT3ozcA

Today I Found Out: We Still Don't Know How Bicycles Work https://youtu.be/YWsK6rmsKSI

TU Delft - Smart motor in handlebars prevents bicycles from falling over: https://youtu.be/rBOQp2uY_lk

Andy Ruina Explains How Bicycles Balance Themselves: https://youtu.be/NcZCzr9ExKk

▀▀▀
More References:

TU Delft Bicycle Site: http://bicycle.tudelft.nl/schwab/Bicycle/

Bicycle stability program: http://ruina.tam.cornell.edu/r....esearch/topics/bicyc

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Special thanks to Patreon supporters: Luis Felipe, Anton Ragin, Paul Peijzel, S S, Benedikt Heinen, Diffbot, Micah Mangione, Juan Benet, Ruslan Khroma, Richard Sundvall, Lee Redden, Sam Lutfi, MJP, Gnare, Nick DiCandilo, Dave Kircher, Edward Larsen, Burt Humburg, Blake Byers, Dumky, Mike Tung, Evgeny Skvortsov, Meekay, Ismail Öncü Usta, Crated Comments, Anna, Mac Malkawi, Michael Schneider, Oleksii Leonov, Jim Osmun, Tyson McDowell, Ludovic Robillard, Jim buckmaster, fanime96, Ruslan Khroma, Robert Blum, Vincent, Marinus Kuivenhoven, Alfred Wallace, Arjun Chakroborty, Joar Wandborg, Clayton Greenwell, Michael Krugman, Cy 'kkm' K'Nelson,Ron Neal

▀▀▀
Written by Derek Muller
Filmed by Trenton Oliver, Raquel Nuno and Derek Muller
Edited by Derek Muller
Music from Epidemic Sound and Jonny Hyman
Produced by Derek Muller, Petr Lebedev and Emily Zhang

Teacherflix
87 Views · 2 years ago

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/precalculus/precalc-matrices/matrix-equations/e/writing-systems-of-equations-as-matrix-equations?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Watch the next lesson: https://www.khanacademy.org/math/precalculus/precalc-matrices/reduced_row_echelon/v/matrices-reduced-row-echelon-form-1?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Missed the previous lesson?
https://www.khanacademy.org/math/precalculus/precalc-matrices/matrix-equations/v/matrix-equations-systems?utm_source=YT&utm_medium=Desc&utm_campaign=Precalculus

Precalculus on Khan Academy: You may think that precalculus is simply the course you take before calculus. You would be right, of course, but that definition doesn't mean anything unless you have some knowledge of what calculus is. Let's keep it simple, shall we? Calculus is a conceptual framework which provides systematic techniques for solving problems. These problems are appropriately applicable to analytic geometry and algebra. Therefore....precalculus gives you the background for the mathematical concepts, problems, issues and techniques that appear in calculus, including trigonometry, functions, complex numbers, vectors, matrices, and others. There you have it ladies and gentlemen....an introduction to precalculus!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Precalculus channel:
https://www.youtube.com/channe....l/UCBeHztHRWuVvnlwm2
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
105 Views · 2 years ago

Practice this lesson yourself on KhanAcademy.org right now:
https://www.khanacademy.org/math/algebra2/polynomial_and_rational/fundamental-theorem-of-algebra/e/the-fundamental-theorem-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Watch the next lesson: https://www.khanacademy.org/math/algebra2/polynomial_and_rational/fundamental-theorem-of-algebra/v/fundamental-theorem-algebra-quadratic?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Missed the previous lesson?
https://www.khanacademy.org/math/algebra2/polynomial_and_rational/advanced-structure-in-expression/v/structure-in-exponential-expression?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraII

Algebra II on Khan Academy: Your studies in algebra 1 have built a solid foundation from which you can explore linear equations, inequalities, and functions. In algebra 2 we build upon that foundation and not only extend our knowledge of algebra 1, but slowly become capable of tackling the BIG questions of the universe. We'll again touch on systems of equations, inequalities, and functions...but we'll also address exponential and logarithmic functions, logarithms, imaginary and complex numbers, conic sections, and matrices. Don't let these big words intimidate you. We're on this journey with you!

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Algebra II channel:
https://www.youtube.com/channe....l/UCsCA3_VozRtgUT7wW
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
76 Views · 2 years ago

Curious about becoming a Google Certified Educator? Join Tim and Pryscilla to get the low down on these programs, including their background, benefits, and test details.

Are you an administrator interested in learning more about Chromebooks for your school? https://goo.gl/6QbXsu
Are you an educator interested in G Suite for Education? https://goo.gl/PFv58U
Want to hear about the latest from Google for Education? Sign up to receive our newsletter, product updates, tips, and more: https://goo.gl/GiZztb
Let us know what you think about EDU in 90, and any ideas you have for future episodes: https://goo.gl/2AWhSJ

LEARN MORE
Google for Education certifications - https://goo.gl/UNZk9o

Teacherflix
70 Views · 1 year ago

“Bloomberg: The China Show” is your definitive source for news and analysis on the world's second-biggest economy. From politics and policy to tech and trends, David Ingles and Stephen Engle give global investors unique insight, delivering in-depth discussions with the newsmakers who matter.

Chapters:
00:00:01 - Bloomberg: The China Show opens
00:03:00 - What to watch in China today
00:04:15 - Trump in dispute with Colombia over deported migrants
00:09:01 - Trump's tariffs, Chinese AI startup DeepSeek in focus
00:15:33 - China boosts index investments
00:21:44 - Breaking: China's factory activity slows ahead of Lunar New Year
00:27:39 - Hang Lung Properties' Adriel Chan on company earnings
00:39:20 - 'Magnificent Seven' set to report Earnings
00:43:55 - Breaking: US stock futures sink as China's DeepSeek sparks tech worries
00:50:15 - Capital's Kyle Rodda on DeepSeek, US tech stocks outlook
01:02:54 - DeepSeek spurs rally in Chinese AI shares with advanced model
01:10:49 - China Decoded: Distressed developers in focus
01:13:41 - Blue Mountain Bridge Capital's Raymond Chan on China's distressed developer debt
--------
More on Bloomberg Television and Markets

Like this video? Subscribe and turn on notifications so you don't miss any videos from Bloomberg Markets & Finance: https://tinyurl.com/ysu5b8a9
Visit http://www.bloomberg.com for business news & analysis, up-to-the-minute market data, features, profiles and more.

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More from Bloomberg:
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Watch more on YouTube:
Bloomberg Technology: https://www.youtube.com/@BloombergTechnology
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Bloomberg Quicktake: https://www.youtube.com/@BloombergQuicktake
Bloomberg Espanol: https://www.youtube.com/@bloomberg_espanol
Bloomberg Podcasts: https://www.youtube.com/@BloombergPodcasts

Teacherflix
86 Views · 2 years ago

For more episodes and free, supporting teachers' notes: https://www.bbc.co.uk/teach/sc....hool-radio/assemblie

Each year on 14 February we celebrate St Valentine's Day by giving our loved ones cards or gifts, such as flowers or chocolates. But who was Valentine and what do we know of him?

This short film is from the series Patron Saints.

It is designed to be a classroom resource suitable for teaching Religious Studies at KS1/2 in England, Wales and Northern Ireland, and 1st and 2nd Level in Scotland.

For more content like this, visit the BBC Teach website. Whether you're at home or at school, you can use BBC Teach for free. Our website is home to thousands of free curriculum-mapped videos, arranged by age-group and subject: https://www.bbc.co.uk/teach

Subscribe to the BBC Teach YouTube channel: https://www.youtube.com/bbctea....ch?sub_confirmation=

Get in touch via Facebook: https://www.facebook.com/BBCTeach/

Find more resources on BBC Bitesize: https://www.bbc.co.uk/bitesize

Teacherflix
56 Views · 2 years ago

Do you know the difference between herbivores, carnivores, and omnivores? Do you know which one you are? In this video for kids, you will learn all about the three diets that animals (and even a few plants!) follow. You will also learn what exactly these three words mean.

One of the main characteristics that distinguishes the type of diet an animal will follow is the teeth. Herbivores only eat plants. These animals tend to have dull or no canine teeth and big, flat side and back teeth. They use their molars to crush and grind the plants they consume. Examples include sheep, cows, giraffes, rats, and grasshoppers. You could consider herbivores vegetarians!

Carnivores, on the other hand, only eat meat. They have long and sharp canine teeth next to their front teeth. They also have sharp cheek teeth called carnassials that help them cut up meat in their mouths. Carnivorous animals include lions, spiders, sharks, wolves, dragonflies, and the Venus fly-trap (which is actually a plant).

Finally, that leaves us with omnivores, which eat both plants and animals. Humans are omnivores because we consume both types of food. Omnivores have a combination of flat teeth and sharp teeth because they eat both plants and animals. Apart from humans, other omnivores include lizards, turtles, apes, catfish, and bears.

We hope you and your student(s) enjoyed learning about the diets of different animals! If you want to learn even more, head over to our website and download one of our many free lesson plans, full of activities, worksheets, and more!

https://learnbright.org/lesson....s/science/herbivores
https://learnbright.org/lesson....s/science/food-chain

What you will learn in Herbivores, Carnivores, and Omnivores for Kids:
0:00 Introduction to the three diets
1:10 What the suffix -vore means and what herbi-, carni-, and omni- mean
2:09 Traits of herbivores
3:27 Examples of herbivores
3:48 Traits of carnivores
5:06 Examples of carnivores
5:35 Traits of omnivores
6:39 Examples of omnivores
7:04 Quiz time

Thank you for watching and learning with us! We’re constantly releasing new content and videos, so click that “Subscribe” button and you’ll get notified.

Find and Follow Us Online:
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*Teachers and Parents! Did you know? In addition to these great videos, we have also created a library of high-quality and engaging lessons for your elementary aged student(s). Visit us, sign up for a free account, and instantly you'll have access to thousands of lesson plans, learning materials, teaching instructions, activities, and assignments that your kids will really enjoy! We hope to see you soon!

Browse our entire collection of Science lesson plans: https://learnbright.org/lessons/?filter_subject=science

#herbivores
#carnivores
#omnivores

Teacherflix
111 Views · 2 years ago

Periods & Groups In The Periodic Table | Properties of Matter | Chemistry | FuseSchool

Learn the basics about Periods and groups in the periodic table. Groups and periods are two ways of categorizing elements on the periodic table. How do you tell them apart and how do they related to periodic table trends? Find out more in this video!

This Open Educational Resource is free of charge, under a Creative Commons License: Attribution-NonCommercial CC BY-NC ( View License Deed: http://creativecommons.org/licenses/by-nc/4.0/ ). You are allowed to download the video for nonprofit, educational use. If you would like to modify the video, please contact us: info@fuseschool.org

SUBSCRIBE to the FuseSchool YouTube channel for many more educational videos. Our teachers and animators come together to make fun & easy-to-understand videos in Chemistry, Biology, Physics, Maths & ICT.

VISIT us at [a]www.fuseschool.org%2C[/a] where all of our videos are carefully organised into topics and specific orders, and to see what else we have on offer. Comment, like and share with other learners. You can both ask and answer questions, and teachers will get back to you.

These videos can be used in a flipped classroom model or as a revision aid.

Find all of our Chemistry videos here: https://www.youtube.com/playli....st?list=PLW0gavSzhMl

Find all of our Biology videos here: https://www.youtube.com/playli....st?list=PLW0gavSzhMl

Find all of our Physics videos here: https://www.youtube.com/playli....st?list=PLW0gavSzhMl

Find all of our Maths videos here: https://www.youtube.com/playli....st?list=PLW0gavSzhMl

Instagram: https://www.instagram.com/fuseschool/
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Access a deeper Learning Experience in the FuseSchool platform and app: www.fuseschool.org
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This is an Open Educational Resource. If you would like to use the video, please contact us: info@fuseschool.org

Teacherflix
66 Views · 2 years ago

Learn more about ATP: how it stores energy, and how that energy is released when it's converted to ATP and phosphate.

Watch the next lesson: https://www.khanacademy.org/science/biology/energy-and-enzymes/atp-reaction-coupling/v/atp-hydrolysis-mechanism?utm_source=YT&utm_medium=Desc&utm_campaign=biology

Missed the previous lesson? https://www.khanacademy.org/science/biology/energy-and-enzymes/free-energy-tutorial/v/endergonic-exergonic-exothermic-and-endothermic-reactions?utm_source=YT&utm_medium=Desc&utm_campaign=biology

Biology on Khan Academy: Life is beautiful! From atoms to cells, from genes to proteins, from populations to ecosystems, biology is the study of the fascinating and intricate systems that make life possible. Dive in to learn more about the many branches of biology and why they are exciting and important. Covers topics seen in a high school or first-year college biology course.

About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps. We've also partnered with institutions like NASA, The Museum of Modern Art, The California Academy of Sciences, and MIT to offer specialized content.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy's Biology channel: https://www.youtube.com/channe....l/UC82qE46vcTn7lP4tK
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
72 Views · 2 years ago

How to get correct advice when you can only ask one question from either a liar or a truth-teller (when you don't know who is what). Created by Sal Khan.

Watch the next lesson: https://www.khanacademy.org/math/math-for-fun-and-glory/puzzles/brain-teasers/v/toggler-brain-teaser?utm_source=YT&utm_medium=Desc&utm_campaign=mathforfunandglory

Missed the previous lesson? https://www.khanacademy.org/math/math-for-fun-and-glory/puzzles/brain-teasers/v/finding-heavier-ball?utm_source=YT&utm_medium=Desc&utm_campaign=mathforfunandglory

Math For Fun and Glory on Khan Academy: Strengthen your brain with some mind bending riddles and puzzles.

About Khan Academy: Khan Academy is a nonprofit with a mission to provide a free, world-class education for anyone, anywhere. We believe learners of all ages should have unlimited access to free educational content they can master at their own pace. We use intelligent software, deep data analytics and intuitive user interfaces to help students and teachers around the world. Our resources cover preschool through early college education, including math, biology, chemistry, physics, economics, finance, history, grammar and more. We offer free personalized SAT test prep in partnership with the test developer, the College Board. Khan Academy has been translated into dozens of languages, and 100 million people use our platform worldwide every year. For more information, visit www.khanacademy.org, join us on Facebook or follow us on Twitter at @khanacademy. And remember, you can learn anything.

For free. For everyone. Forever. #YouCanLearnAnything

Subscribe to Khan Academy’s Math For Fun and Glory channel: https://www.youtube.com/channe....l/UCrHuSfezaER8svQZi
Subscribe to Khan Academy: https://www.youtube.com/subscr....iption_center?add_us

Teacherflix
38 Views · 9 months ago

🥰 Get ready for a mega-dose of early education for kids with Lucas & Friends! ✏️ This time around it's a huge educational compilation video featuring songs about the days of the week, fruits, opposite words, colors, and vehicles. Just hit play and watch your kids start singing, dancing, and learning! 🎓

🤩 Lucas, Ruby, Lilly, and Brody are ready to explore different learning topics, all of which are designed as educational videos for toddlers and older children. Each one is a learning video for kids featuring full 4k animation and songs that teach everything from the days of the week to colors and the names of vehicles. 🚀

🎯 Your little ones will learn a wide range of things in this educational video, including action words such as running and walking, colors like red, green, blue, pink, and purple, shapes like circles, squares, and other geometric wonders, names of delicious fruits, opposite words to find out about antonyms, and red color flashcards featuring apples, roses, and other examples of red things. 🔥

◉ Tap on the time track to quickly enjoy your favorite toddler learning video.

00:00 Peek A Boo - Peekaboo
01:07 ABC Song Nursery Rhyme

• Action Words for Kids
02:16 Cry
08:37 Laugh
12:51 Clap
17:15 Run
34:41 Jump
44:57 Walk
47:37 Point out
49:12 Wave

• Colors for Toddlers to Learn
11:49 Yellow
20:36 Pink
32:39 Green
36:01 Orange
38:20 Purple
43:53 Blue
50:19 Brown
1:01:19 Red

• Learn Shapes for Toddlers
09:26 Circle
14:23 Square
23:09 Oval
28:35 Triangle
39:33 Diamond
45:36 Rectangle

55:32 Learn Vehicles for Kids
56:12 Opposites Words
58:18 Days of Week Song

✔️ Our ultra HD 4K video is jam-packed with awesome graphics and catchy music that'll keep kids entertained while they learn. It's the perfect video for babies, toddlers, preschoolers, and kindergartners who are starting their educational journey. Gather your little ones and prepare for a wonderful family time together! 🔆

🥰 We hope our learning videos will make it easier and more fun for your child to learn new things! Hit the LIKE button and SHARE it with friends and other family members! ⭐ RV AppStudios is thrilled to add our newest educational videos for toddlers to our collection, and one we're sure your kids will love singing along-to! 🔔 Don't forget to SUBSCRIBE for more free animated sing-along songs, nursery rhymes for kids and learning content by Lucas and friends! 🦁

🛍️ Official Lucas & Friends Store Now Open - https://shop.rvappstudios.com

📢 Lucas & Friends GIFs & Stickers at Giphy - https://giphy.com/rvappstudios

📢 Checkout Lucas & Friends Educational Children's Books: https://www.amazon.com/Lucas-F....riends-by-RV-AppStud

🎯 Try our FREE Educational Apps for Babies & Toddlers:
🟡 Google Play: https://play.google.com/store/....apps/dev?id=74300059
🟣 iOS: https://apps.apple.com/develop....er/rv-appstudios-llc
🟢 RV AppStudios: https://www.rvappstudios.com/kidsapp.html

🌟 Fun educational videos for toddlers by RV AppStudios:
📖 Learning Videos For Toddlers https://youtu.be/H-9eydT066s
🔸 Alphabet ABC Song and More https://youtu.be/LK-5e29WZVY
✏️ ABC Alphabet Educational Videos https://youtu.be/YzjCssRah3E
🎨 Number Counting & Colors For Kids https://youtu.be/DvTAWOItdAg

Copyright © RV AppStudios

#ToddlerLearning #EducationalVideo #KidsEducation

Teacherflix
45 Views · 2 years ago

Are you studying for your teacher certification exams? Are you struggling with the situational or scenario questions? Using our good words and bad words strategy will help you think like a test maker and pass your exam.

You pass these exams by being strategic. Here is a list of the good words and bad words mentioned in the video.

Good Words:
Standards Alignment
Data-Driven
Differentiated Instruction
Critical thinking
Culturally responsive
Student Centered
Vocabulary in context
Authentic learning experiences

Bad Words:
Extra homework
Extrinsic rewards
Anything negative
English only
Vocab - copying from a dictionary
Multiple-choice test
Homogeneous Grouping

So let's get started!

=============================================================
I specialize in helping prospective teachers and leaders achieve their goals in certification and career. For more go to https://kathleenjasper.com/

Check out my FREE resources.
https://kathleenjasper.com/pages/free-webinars-with-kathleen-jasper

=============================================================
Other videos you may be interested in are:

Work Backwards
https://youtu.be/JXeWdDZoYSQ

Good Words Bad Words
https://youtu.be/lEPQYDRTdgY

Fab 5 of Reading Instruction
https://youtu.be/g6luhHATUFk

=============================================================
Subscribe to my channel - https://www.youtube.com/channe....l/UCgMv3Yml20ijXlxra

Follow me.
Website: http://KathleenJasper.com/
Facebook: https://www.facebook.com/KathleenJasperEdD
Twitter: https://twitter.com/KathleenJasper
Instagram: https://www.instagram.com/kj_kathleenjasper/

Teacherflix
22 Views · 2 months ago

In this episode, Dan and Ray explore how AI is rapidly reshaping education, workplaces, and policy - often faster than institutions can respond.

They unpack new guidance from NSW’s NESA on student AI use, highlighting the growing tension between rules, real-world behaviour, and the need for clearer, more consistent policies across education systems.

The conversation expands globally with insights from the 2026 Stanford AI Index Report, revealing that while over 80% of students are already using AI, formal education and policy frameworks are struggling to keep pace. The distinction between 'AI in education', 'AI literacy', and 'AI education' becomes critical for understanding what schools and universities could actually be building.

They also discuss emerging tools like Adobe Student Spaces, evolving AI workflows using tools like Claude and Copilot, and new data showing Australians are among the most advanced AI users globally.

Finally, they revisit “real AI” use cases - specifically wildlife (crocs, turtles and quokkas) detection in Australia - as a reminder that AI’s impact extends far beyond chatbots.

News items discussed

NSW NESA's "Use of Artificial Intelligence by students" rules
https://www.nsw.gov.au/educati....on-and-training/nesa

Adobe Student Spaces
https://acrobat.adobe.com/studentspaces/home 

The 2026 AI Index Report from Stanford University Human-Centred Artificial Intelligence (HAI) centre
https://hai.stanford.edu/ai-in....dex/2026-ai-index-re

Anthropic came Down Under
https://www.anthropic.com/rese....arch/how-australia-u
https://www.anthropic.com/news/australia-MOU 

AI crocodile detection trials begin in north Queensland
https://www.abc.net.au/news/20....26-03-26/ai-crocodil
Related stories from the past:
Scientists use drones, cloud, and AI to protect Australia’s Quokkas
https://news.microsoft.com/apa....c/features/preservin
Indigenous knowledge and AI help protect baby turtles from predators on Australia’s remote Cape York
https://news.microsoft.com/apa....c/features/indigenou
Strengthen your research workflow with generative AI
https://techcommunity.microsof....t.com/blog/skills-hu

Teacherflix
74 Views · 2 years ago

In which John Green, Hank Green, and Emily Graslie teach you about the Anthropocene, an unofficial geological era that covers the last century or so, in which humanity has made massive progress. We've discovered the Higgs-Boson particle, and awesome electric cars, and amazing smartphones. So all this collective learning and progress has been good for everyone, right? Maybe not. We'll look at some of the pros and cons of all this "progress," including environmental impact, changes in the way people live and work, and political changes and wars that come along with the modern world. We've come a long way, but there's a long way to go. Crash Course will also take a look at what's going to happen in the near future. If we manage to make our way through the coming bottlenecks, we could be OK in coming centuries. Don't get too hopeful, though. The Sun will eventually die, and the Earth will be destroyed, and later the universe will eventually experience heat death. But we won't talk about those downers until next week.

For more information: http://www.bighistoryproject.com

Teacherflix
11 Views · 9 months ago

Sources:
https://sites.google.com/view/....sources-world-war-an

Every day billions of soldiers fight a merciless war on thousands of fronts, that has been going on for over one hundred million years: The world war of the ants.


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