SciShow
Cavitation
Hank tells you about cavitation - the power of tiny bubbles to weaken metal, kill fish & maybe even cure cancer.
PBS
The Misunderstood Nature of Entropy
Entropy is surely one of the most intriguing and misunderstood concepts in all of physics. The entropy of the universe must always increase - so says the second law of thermodynamics. It's a law that seems emergent from deeper laws -...
Bozeman Science
Heating
In this video Paul Andersen explains how heating is the transfer of energy (heat) from a warmer object to a cooler object. Heat can be transferred through conduction, convection and radiation. At the microscopic level conduction results...
Be Smart
What Color is the Universe?
When you stare up at the night sky, you might think that the universe is really black, but that's just because our eyes aren't sensitive enough to see the billions and billions of multicolored stars out there. Ever wonder why certain...
Bozeman Science
AP Biology Lab 2: Enzyme Catalysis
Paul Andersen starts with a brief description of enzymes and substrates. He then explains how you can measure the rate of an enzyme mediated reaction. Catalase from yeast is used to break hydrogen peroxide down into water and oxygen. ...
SciShow
The (Arguably) Most Important Instrument in Physics
Thermometers might seem like a basic instrument, but science would not be the same without them, and they helped us understand one of the most important ideas in all of science: the conservation of energy.
Bozeman Science
ESS3D - Global Climate Change
In this video Paul Andersen explains how the global climate is changing as a result of natural phenomenon and human actions. Changes in the solar radiation due to variations in the Earth's tilt and orbit have caused the ice ages....
Bozeman Science
Homeostasis Hugs
Paul Andersen explains how hugs between tissues can help maintain homeostasis. Countercurrent heat exchange allows heat to stay within the core of the body. Close contacts between the capillaries and alveoli allow our body to maintain...
Bozeman Science
Thinking in Quantity - Level 2 - Physical Quantities
In this video Paul Andersen shows conceptual thinking in a mini-lesson on physical quantities.
TERMS
Physical quantities - the properties of a material or system that can be measured
Standard units
- Weight - quantity of matter in an...
Crash Course
Equilibrium: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and...
SciShow
Why You Can't Bake a Mason Jar
Regular old glass like the kind that makes up a mason jar can shatter and explode if put in the oven. But we do have types of glass that you can bake your pie or brownies in and it's all thanks to some neat chemical tricks.
Crash Course
How Not to Set Your Pizza on Fire: Crash Course Engineering #15
Today we’re going to explain how exchangers...exchange heat. We’ll look at concentric tubes, finned tubes, plate heat exchangers, and shell-and-tube heat exchangers. And we’ll look at some equations to help us sort through heat transfer...
MinutePhysics
Negative Temperature Explained in Ten Seconds
Negative Temperature Explained in Ten Seconds
Bozeman Science
Heat Exchange
In this video Paul Andersen explains how energy can be transferred from warmer objects to colder objects through heat. Temperature is a measure of the average kinetic energy of the particles in a substance. When two objects are in...
Bozeman Science
Ideal Gas Law
In this video Paul Andersen explains how the pressure, volume, amount, and temperature of an ideal gas are related. Absolute zero of a gas can be determined by varying the temperature and measuring the corresponding volume of a gas...
TED Talks
TED: Your kids might live on Mars. Here's how they'll survive | Stephen Petranek
It sounds like science fiction, but journalist Stephen Petranek considers it fact: within 20 years, humans will live on Mars. In this provocative talk, Petranek makes the case that humans will become a spacefaring species and describes...
Crash Course
Liquids: Crash Course Chemistry
In this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD!
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TABLE...
TED-Ed
TED-Ed: Vermicomposting: How worms can reduce our waste - Matthew Ross
Nearly one third of our food ends up in the trash can. There is hope, however, in the form of worms, which naturally convert organic waste into fertilizer. Matthew Ross details the steps we can all take to vermicompost at home -- and why...
TED-Ed
TED-Ed: Describing the invisible properties of gas - Brian Bennett
How do you explain the properties of something we can't see? See how scientists use scientific principles, such as gravity, to observe gases. This lesson explores gases and how we have come to know what we know about them.
SciShow
The 17+ Different Kinds of Ice!
Ice is ice, right? Wrong! From the vacuum of deep space to the inside of ice giant planets, ice gets stretched and squished into way more forms than what we find here on Earth.
SciShow
6ish of Your Everyday Actions, Explained | Compilations
The human body can have some odd, and sometimes gross, quirks. Like, why do we blush or laugh, especially when someone burps or farts? And what's even up with us having so much gas to begin with?! It sounds like it's time for a compilation!
SciShow
Weird Places: Mexico's Giant Crystal Cave
SciShow explores a place that's as beautiful as it is dangerous: Mexico's Giant Crystal Cave, where chemistry has created the world's largest crystals -- but in an environment so hostile that you'd only survive a few minutes if you saw...
SciShow
Sun VS. Atomic Bomb
Hank puts the immense power of the sun into perspective through comparison with the most powerful nuclear bomb ever detonated.
SciShow
Water Is WAY Weirder Than We Thought
Water is one of the most abundant and important substances on Earth, so you think we'd know everything there is to know about it. But it turns out water is way weirder, and it often behaves in ways that leave scientists with more...