TED-Ed
TED-ED: How many ways are there to prove the Pythagorean theorem? - Betty Fei
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with elegant proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry and the basis for...
TED-Ed
TED-ED: How to use rhetoric to get what you want - Camille A. Langston
How do you get what you want, using just your words? Aristotle set out to answer exactly that question over two thousand years ago with a treatise on rhetoric. Camille A. Langston describes the fundamentals of deliberative rhetoric and...
SciShow Kids
We Made These Magnets Float in the Air!
Jessi and Squeaks are working on an experiment: Making an ordinary magnet float in the air! Next Generation Science Standards: NGSS Performance Expectations: 3-PS2-3: Ask questions to determine cause and effect relationships of electric...
Crash Course
World War I Battlefields: Crash Course European History
Europe's system of alliances and centuries-old tensions erupted into war in August of 1914. This week on Crash Course Euro, we're talking about the military history of World War I, and taking a look at the broad strokes of how the war...
Crash Course
Ancient Games: Crash Course Games
From the ancient Egyptian game of Senet to the Aztec's Patolli, games have been played since the beginning of civilization. Today, your host Andre Meadows is going to take a look at a few of these games, including some that are actually...
SciShow Kids
Build a Tiny Plant World! Science Project for Kids
Jessi and Squeaks just learned about terrariums, and now they want to make one for themselves! Join them to learn all about these tiny gardens in a bottle and how you can make one of your own!
Crash Course Kids
Landforms, Hey!
If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and...
Curated Video
Cisco CCNA 200-301: The Complete Guide to Getting Certified - Speed and Duplex Settings
New ReviewIn this video, understand the importance of speed and duplex settings in network performance.
Curated Video
Understanding Quantity: The Difference Between a Couple and a Few
New ReviewThis video is a humorous and light-hearted skit set in a restaurant called the Gramateria. The scene features a waitress named Wanda interacting with two customers who are mistaken for a couple. The customers clarify that they are...
Curated Video
Rearrange Radicals and Rationals
New ReviewA video entitled "Rearrange Radicals and Rationals" that shows how to use inverse operations to isolate various variables in equations.
Curated Video
Similar By Aa Criterion
New ReviewA video entitled "Similar by AA Criterion" which clarifies that if two pairs of corresponding angles are congruent, then the triangles are similar.
Curated Video
Pythagorean Theorem Is Useful
New ReviewA video entitled "Pythagorean Theorem is Useful" which talks about right triangle situations where it's appropriate to use the Pythagorean theorem.
Curated Video
Similar Figures Lengths
New ReviewA video entitled "Similar Figures Lengths" which shows how to use proportions to find side lengths in similar figures.
Curated Video
Create Triangles
New ReviewA video entitled "Create Triangles" which shows how to draw a triangle with a compass and straight edge.
Curated Video
Complement
New ReviewA video entitled "Complement" which shows what a compliment is and how it is useful.
Curated Video
Perimeter of Quadrilaterals
New ReviewYou will use equations to solve perimeter of quadrilateral problems.
Curated Video
Communists Take Power in China
New ReviewA video that describes how civil war caused China to split into two different nations.
Professor Dave Explains
Special Second-Order Differential Equations: Cauchy-Euler, Nonlinear, and More
We've covered the basics regarding second-order differential equations and their solutions, for both linear homogenous and nonhomogenous differential equations. Now let's look at some special second-order types, such as Cauchy-Euler, and...
Curated Video
How to Prepare for an Acting Audition
Howcast - Whether you're trying out for a community theater or a Hollywood production, give yourself the chance to shine.
Curated Video
How to Craft a Duct Tape Tote Bag
Howcast - You’ll have plenty of room to carry all your essentials in this stylish, durable duct tape tote bag.
Curated Video
How to Pick a Micro Bikini or String Bikini
Howcast - Learn how to pick a micro bikini or string bikini from swimsuit expert Candace Draper in this Howcast video.
Curated Video
What Yoga Poses Help with Seated Meditation?
Howcast - Learn yoga poses that help with seated meditation from yoga instructor Lisa Dawn Angerame in this Howcast video.
Curated Video
How to Do Split Squat w/ Side Leg Raise for Butt-Toning
Howcast - Learn how to do the split squat with a side leg raise for a butt-toning workout from personal trainer Erin Sharoni in this Howcast workout video.
Curated Video
How to Add a Door & Windows to a Princess Castle Cake
Howcast - Learn to make a princess castle cake for a kids' birthday party from Essential Cakes' Etwin Gordon in this Howcast video, part 9 of an 11-part series.