SciShow
Why the Great Salt Lake is Two Completely Different Colors
Today, the Great Salt Lake of Utah has multiples of the ocean's salt concentration. But it didn't used to be so salty. In fact, it used to be Lake Bonneville. And we know its story thanks to microscopic diatoms and Dr. Ruth Patrick....
TED-Ed
Why don’t we get our drinking water from the ocean? | Manish Kumar
Humans have been transforming seawater into potable freshwater for millennia. Today, billions of people can’t access clean drinking water, and 87 different countries are projected to be “water-scarce” by 2050. So, how can we use seawater...
MinuteEarth
Why The Ocean Needs Salt
Our oceans don’t technically contain salt, but the ions salt is made of play a critical role in planet-wide processes that make the Earth habitable.
Amoeba Sisters
Animals: Tour of 9 Phyla
Join the Amoeba Sisters in exploring some general animal characteristics, major vocabulary used in classifying animals (such as symmetry, protostome vs deuterostome, cephalization, and coelom), and take a general tour of 9 major animal...
SciShow
Can Gargling Salt Water Cure a Sore Throat?
Gargling with warm saltwater for a sore throat is a remedy commonly known and loved by doctors, and there is some evidence to back it up, but it’s not a cure.
SciShow
8 Beautiful, Weird, and Scary Things Ice Can Do
Frozen water molecules don’t seem to be all that interesting. But, these eight weird things that ice can do are truly mind-boggling. Chapters View all ICE SPIKES 0:40 FROST QUAKES 2:36 FROST FLOWERS: LAND 3:26 FROST FLOWERS: SEA ICE 4:22...
SciShow
Can Gargling Salt Water Cure a Sore Throat?
Gargling with warm saltwater for a sore throat is a remedy commonly known and loved by doctors, and there is some evidence to back it up, but it’s not a cure.
Crash Course
Mass Separation: Crash Course Engineering #17
It can be really important to separate out chemicals for all kinds of reasons. Today we’re going over three different processes engineers use to achieve that separation: distillation, which separates substances based on their different...
SciShow Kids
How to Save Water (and Help the Earth!)
Squeaks and Mister Brown have a leaky faucet! Luckily this is a great chance to learn about how they can save water. SOURCES: Second Grade Next Generation Science Standards Disciplinary Core Idea: ESS2.C: The Roles of Water in Earth’s...
SciShow
The Fern That Cooled the Planet
Over its lifetime, the Earth has seen plenty of climate change. About 50 million years ago the planet experienced extreme cooling, and all from a little fern.
Crash Course Kids
The Basics of Freshwater
We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this...
Curated Video
How to Determine the Density of Salt Water
Howcast - The density of salt water depends on how much salt is dissolved in it. Calculate the density of a particular sample with the method described here.
Curated Video
How to Instantly Cut Toothache Pain in Half
Your tooth is throbbing, your head is pounding, and the oral surgeon can't see you until this afternoon. You'll need something to take the edge off until the good doctor can fit you in.
Curated Video
How to Treat a Bitten Tongue
Eating is hardly considered a risky behavior — but once in a while an exuberant chomp can result in a bitten tongue.
Curated Video
The Scary Reason Why US Builds Advanced Sprinklers on Flight Deck of its Warships
Welcome back to the Fluctus Channel. In this episode, we start by exploring the devastating impact of fire and the critical safety systems in place on aircraft carriers, drawing lessons from the tragic USS Forrestal fire. We then...
Curated Video
Trump will 'work to rescue economy' even if he'd rather tan his 'beautiful white skin' on a beach
Donald Trump says as president he’ll work hard to rescue the US economy even though it would have been preferable to relax on a beach.
Makematic
Oceans
Discover Earth's five oceans – from the vast Pacific to the icy Southern Ocean – uncovering unique features, marine life, and geographic features like the Mid-Atlantic Ridge.
Curated Video
Tracing the Journey of a Bottle in the Ocean
Join Vincent, Agathe, and David as they investigate the journey of a bottle thrown into the sea. Inspired by the famous 1992 plastic duck experiment, they study ocean currents, including surface and deep currents, to predict the bottle's...
Veritasium
3 Perplexing Physics Problems
This video explores three intriguing physics problems: why shaken carbonated drinks explode, why ice melts differently in fresh water versus salt water, and how a metal ring can lock onto a chain unexpectedly. Demonstrations and...
Curated Video
Factpack: Elements, Compounds, Mixtures
Definitions and examples of three distinct chemical classifications: elements, compounds and mixtures. Chemistry - Atoms And Bonding - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic,...
Curated Video
Rusting Nails
We investigate the conditions needed for rust to form. Four iron nails are placed under different conditions. One is half submerged in water. Another is completely submerged in boiled water. One is half submerged in salt water. The final...
Curated Video
Liquid Density
We compare the density of oil, salt water and fresh water using displacement tanks. Equally weighted measuring cylinders are placed into the three liquids and the amount of water displaced is collected for comparison. Physics - Forces -...
Wonderscape
Communities Near Water: Oceans, Rivers, and Lakes
This video explores the types of communities found near bodies of water such as oceans, rivers, lakes, and estuaries. Learn how these water sources shape the jobs, recreation, and daily life of people living in coastal, river, and lake...
Wonderscape
Understanding the Hydrosphere: Earth's Water Realm
Explore the hydrosphere, encompassing all forms of water on Earth, from oceans and seas to freshwater lakes, rivers, and glaciers. Learn about the distribution of water across the planet and its vital role in sustaining life. Earth's...