Curated Video
Compare Lengths of Objects by Drawing Pictures
In this video lesson, we present various examples, such as measuring train lengths and finding missing tiles, to help us compare lengths of objects by drawing pictures. The lesson emphasizes the importance of subtraction and highlights...
SciShow
Why Does Hair Get Frizzy When It's Humid?
If your hair gets frizzy when the humidity is high, try not to think of it as a bad hair day—you're really just a human hygrometer!
Crash Course
Reaching Breaking Point: Materials, Stresses, & Toughness: Crash Course Engineering #18
Today we’re going to start thinking about materials that are used in engineering. We’ll look at mechanical properties of materials, stress-strain diagrams, elasticity and toughness, and describe other material properties like hardness,...
Bozeman Science
AP Biology Lab 6: Molecular Biology
Paul Andersen explains the two major portions of the molecular biology lab in AP Biology. He starts by discussing the process of transformation. He explains how you can use the pGLO plasmid to produce glowing E. coli bacteria. He then...
Bozeman Science
Resistors and Capacitors
In this video Paul Andersen explains how resistors and capacitors affect circuits. The resistance of a resistor is affected by the resistivity of the material and the geometry of the resistor. The current through a resistor can be...
Crash Course Kids
Following the Sun
Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited...
SciShow
The Fibonacci Sequence: Nature's Code
Hank introduces us to the most beautiful numbers in nature - the Fibonacci sequence.
PBS
What are the Strings in String Theory?
Why strings? What are they made of? How did physicists even come up with this bizarre idea? And what's all this nonsense of extra dimensions?
Crash Course
Special Relativity: Crash Course Physics
So we've all heard of relativity, right? But... what is relativity? And how does it relate to light? And motion? In this episode of Crash Course Physics, Shini talks to us about perspective, observation, and how relativity is REALLY weird!
SciShow
Here's What Kevlar and Your Smartphone Have in Common
You might not believe it, but the same chemistry that brought us bulletproof vests and modern sailing sails also gave us the technology to build your smart phone. But that doesn’t mean these chemists were thinking about these...
TED Talks
TED: The science of cells that never get old | elizabeth Blackburn
What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that...
Crash Course
Atomic Hook-Ups - Types of Chemical Bonds: Crash Course Chemistry
Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress...
Crash Course Kids
Measurement Mystery
So now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade...
TED-Ed
TED-Ed: How fast is the speed of thought? | Seena Mathew
Your mortal enemy has captured you and hooked you up to a bizarre experiment. He's extended your nervous system with one very long neuron to a target about 70 meters away. At some point, he's going to fire an arrow. If you can then think...
Bozeman Science
Simple Harmonic Motion
In this video Paul Andersen explains how simple harmonic motion occurs when a restoring force returns an object toward equilibrium. The two types of harmonic motion studied in AP Physics are the mass spring oscillator and the simple...
Bozeman Science
Significant Digits
Mr. Andersen explains significant digits and shows you how to use them in calculations.
Curated Video
The Mighty Nile: A Lifeline for People, Plants, and Animals
The Nile River, the longest river on Earth, is a natural wonder that spans 11 countries. It has been a vital source of life throughout history, providing fresh water, food, and transportation. From its tropical rainforest headwaters to...
Curated Video
Exploring the Strangest and Most Unique Animals in the World
In this video, we explore some of the strangest and most unique animals in the world, including the platypus, the Komodo dragon, the glass frog, the domestic silk moth, and many more. From their unusual physical characteristics to their...
Curated Video
Fatty acids
Fatty acids are vital for energy, cell structure, and managing inflammation. Discover their types and functions in the human body. Whether it's saturated, unsaturated, or the crucial omega-3s, we break down how these molecules influence...
Curated Video
The African Lion: King of the Savannah and its Natural Competitors
In this video, we learn about the African lion, one of the most recognizable wildcats. We discover that females are the primary hunters, while males defend the territory and have preferential placement during feeding. Lions have manes...
Curated Video
The Fascinating World of Octopuses: From Fossils to Intelligence
In this video, the teacher discusses the fascinating world of octopuses, highlighting their ancient origins, short lifespans, multiple hearts and brains, intelligence, contortionist abilities, and unique defense mechanism of shooting...
Curated Video
Rodents of the World: Capybaras, Beavers, Groundhogs, and Squirrels
This video provides information about some of the largest rodents in existence, including the capybara, beaver, groundhog, and squirrel. It highlights their physical characteristics, habitats, behaviors, and unique adaptations. Whether...
Curated Video
I WONDER - How Long Is The Biggest Beach In The World?
This video is answering the question of how long is the biggest beach in the world.
Curated Video
The Big Cats: Leopards, Snow Leopards, and Cheetahs
In this video, we explore three famous big cats: the leopard, snow leopard, and cheetah. Each cat has its own unique characteristics and hunting strategies. From the leopard's incredible agility and adaptability to the snow leopard's...