TED-Ed
TED-ED: Why do we sweat? - John Murnan
There are a number of scenarios that can make us sweat_including exercise, eating spicy foods, and nervousness. But how does this substance suddenly materialize, and what exactly is its purpose? John Murnan explores the science behind...
Be Smart
What's The Hottest Hot and Coldest Cold?
The hottest and coldest temperatures in our universe are rarely witnessed, but in these rare spots, our understanding of physics is challenged. Weird things happen at extreme hot and absolute cold.
SciShow
The Strange Physics Behind the Smell of Rubber Bands
If you've spent any time trying to explode a pumpkin with rubber bands you know that they have a distinct smell to them when stretched, and you have physics to thank for that.
SciShow
Triton: The Celestial 'Cantaloupe'
Join SciShow Space as we explore Neptune's largest moon, Triton. It's kind of a weird place and may even have liquid water!
Crash Course
The First & Zeroth Laws of Thermodynamics: Crash Course Engineering #9
In today’s episode we’ll explore thermodynamics and some of the ways it shows up in our daily lives. We’ll learn the zeroth law of thermodynamics, what it means to reach a thermal equilibrium, and define the first law of thermodynamics....
SciShow Kids
How Do Hot Air Balloons Work?
Hot Air Balloons! They're those big, beautiful balloons people can float up to the sky in-- but how do they get up there?!
TED-Ed
TED-ED: How transistors work - Gokul J. Krishnan
Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there's one foundational invention that almost everything else relies upon: the...
TED-Ed
TED-ED: What triggers a chemical reaction? - Kareem Jarrah
Chemicals are in everything we see, and the reactions between them can look like anything from rust on a spoon to an explosion on your stovetop. But why do these reactions happen in the first place? Kareem Jarrah answers this question by...
SciShow
What's the Ultimate Campfire Fuel
It’s summertime and people are out camping, barbecuing, and using FIRE! But what’s a better fuel to use for your summer activities? Wood or charcoal? There are pros and cons to both fuels, so check out this episode of SciShow to decide...
SciShow
Pennsylvania's 50-Year-Old Coal Fire
SciShow takes you to Centralia, Pennsylvania, site of one of the oldest, biggest coal fires in the United States, and explains the chemistry of spontaneous combustion.
Bozeman Science
Solutions
In this video Paul Andersen explains the important properties of solutions. A solution can be either a solid, liquid or gas but it must be homogeneous in nature. The solutes can not be separated with a filter and so either chromatography...
Bozeman Science
Thermal Conductivity
In this video Paul Andersen explains how thermal conductivity measures the ability of material to transfer heat from a hot to a cold object. The thermal conductivity of conductors is high because the heat travels through the delocalized...
SciShow
Squid Proteins, but Make Them Fashion
Humans often take inspiration from nature when coming up with inventions, and this includes breakthroughs in fabric design that help to forward the fabulous and functional world of fashion.
Crash Course
The Physics of Heat: Crash Course Physics
Have you ever wondered why we wear clothes? I mean, beyond the obvious. Why does wearing a jacket in the cold keep your warmer? What is happening to all the heat inside your body? In this episode of Crash Course Physics, Shini talks...
Crash Course
Heat Transfer: Crash Course Engineering #14
Today we’re talking about heat transfer and the different mechanisms behind it. We’ll explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation.
Curated Video
What Is Fire?
Why does fire burn? What's the chemistry and physics of a flame? This week, learn about the beautiful science happening inside a flame!
SciShow
The Smokin' Science of Fire Extinguishers
Different fuels create different types of fires, and each one needs to be extinguished using a specific strategy. Do you know which class of extinguisher is needed for different fires?
Bozeman Science
Thermoregulation
Paul Andersen explains how organisms are able to regulate their internal body temperature (or not). He starts with a brief description conduction, convection, radiation and metabolism. He contrasts ectotherms and endotherms. He also...
Bozeman Science
Photosynthesis Lab Walkthrough
Mr. Andersen shows you how to sink leaf chads in preparation for the AP Biology photosynthesis lab. An empty syringe is used to remove gas from the leaves before the lab. As the chloroplasts absorb light they produce oxygen bubbles which...
Bozeman Science
Thermodynamics and P-V Diagrams
In this video Paul Andersen explains how the First Law of Thermodynamics applies to an ideal gas in a piston. A pressure-volume graph can be used to determine the type of thermodynamic process. Included is a discussion of and P-V diagram...
Curated Video
Exploring Uranus and Neptune
Join SciShow Space as we complete our tour of the Solar System planets with the ice giants, Uranus and Neptune.
Crash Course
Heat Engines, Refrigerators, & Cycles: Crash Course Engineering #11
Cycles are a big deal in engineering. Today we’ll explain what they are and how they’re used in heat engines, refrigerators, and heat pumps. We’ll also discuss phase diagrams and the power of using renewable energy resources
Crash Course
The Engineering Challenges of Renewable Energy: Crash Course Engineering #30
This week we are looking at renewable energy sources and why we need them. We’ll explore hydropower, wind, geothermal, and solar power, as well as some of the challenges, and how engineers are working to make their use more widespread.
MinutePhysics
How to Destroy a Magnet
Magnets are amazingly strong... but there's a very easy way to destroy them. All you need to know is a little bit about ferromagnetism, paramagnetism, and temperature!