TED-Ed
The Effects of Underwater Pressure on the Body
Exactly what causes the the pain you feel when diving to the deep end of a pool? Find out with this short video that explores the physical laws governing the behavior of gases and the ways they affect marine life and scuba divers that...
Steve Spangler Science
Bursting Water Pipe - Cool Science Demo
Water is powerful! Because it expands as it freezes, if it does so in a closed system, tremendous pressure can be created. All it takes is a little break to cause the system to explode! It's unlikely that you would submerge a pipe full...
Veritasium
Does Pressure Melt Ice?
Explore regelation of ice through a video demonstration. Applying pressure to a block of ice with a wire lowers the melting point and causes the ice to melt. As soon as the wire passes through, the water returns to its solid state as ice...
Steve Spangler Science
Steve Spangler on The Ellen Show February 2008
A lot goes on during this visit to the Ellen DeGeneres show. During the first segment, Spangler demonstrates the ability of the human body to act as a conductor of electricity and he shows the clean burning properties of hydrogen and...
Veritasium
Making SOLID Nitrogen!
Have you ever seen solid nitrogen? Or solid carbon dioxide? Watch as a pair of instructors adjust pressure to allow liquid nitrogen to solidify. After they finish, they put the solid nitrogen in water which produces carbon dioxide gas...
Deep Look
Identical Snowflakes? Scientist Ruins Winter For Everyone
Can snowflakes be identical? Under perfect conditions, these perfect, unique crystals can have a twin. Explore snowflakes in the great indoors of a laboratory experiment to see how carefully regulated conditions have busted the myth of...
Veritasium
How Can Trees Be Taller Than 10m?
The longest functioning straw is 10.3 meters tall. The dilemma—if this is true— is how can a tree be taller than 10.3 meters? A video researches the answer and presents it in a thought-provoking video lesson. There are many components to...
Crash Course
Fluid Flow and Equipment: Crash Course Engineering #13
Bernoulli knows best (at least about fluid mechanics). The 13th installment in the Crash Course Engineering series focuses on Bernoulli's principle. Viewers learn the relationship between the speed and pressure of fluids by watching a...
Crash Course
Fluids in Motion: Crash Course Physics #15
How do fluids act when they are moving? A thorough video lesson explains the characteristics of fluids while in motion. Building from the previous lesson in the series, the 15th installment of a Crash Course physics series provides an...
MinuteEarth
Denizens of the Deep
Dive into a lesson on the habitat of Earth least studied. A creative lesson describes the characteristics of animals that live in the deepest depths of the ocean. It also shares the concern of scientists that fishing these depths may...
MinuteEarth
What Happened To This Car?
On June 7, 1692, at 11:43 am, the Jamaican city of Port Royal sank into the harbor, killing more than 2,000 people. The video explains this disaster and others that were caused by liquefaction, describes the conditions required, and...