MinuteEarth
Our Lungs Have A Fatal Flaw
Our respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.
Bozeman Science
The Urinary System
In this video Paul Andersen gives an overview of the human urinary system. The system consist of the kidneys, ureters, bladder, and urethra. The kidneys excrete waste from the blood in urine. He explains how the nephron is responsible...
TED-Ed
TED-Ed: When is water safe to drink? - Mia Nacamulli
Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you...
Curated Video
Homogeneous mixture
A mixture of two or more substances which appears to be a single, uniform medium, with no visible separation between its components. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Filtration - Solid-Fluid Separation
The physical separation of a solid from a fluid carrier, either gas or liquid, by passing it through a medium that blocks particles above a certain size. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Nephrons
Microscopic structures in the kidney that filter blood and produce urine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Heterogeneous mixture
A mixture of two or more substances which remain as physically separate substances. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Filtration and Evaporation
We use filtration and evaporation to separate out a mixture of water, sand and salt. The sand is removed using filtration, as it did not dissolve in the water. The remaining solution is heated until the water evaporates, leaving behind...
Curated Video
Separation by filtration – Jigsaw
What is it? ... These are teabags! Material processes - Separating mixtures - Separation by filtration A Twig Tidbit Film - Jigsaw. An image is slowly revealed as pieces of the jigsaw are removed. The children have to identify it.
Curated Video
Separation by filtration – True or false
True or false ... Your nose acts as a filter? Material processes - Separating mixtures - Separation by filtration Learning Points Noses act as a filter to remove dirt and dust from air. A Twig Tidbit Film - True or False? The children...
Curated Video
Separation by filtration – Odd one out
Four objects are shown on screen, but which one is not a type of filter? Material processes - Separating mixtures - Separation by filtration Learning Points Filtration separates mixtures of solids and liquids or gases. A Twig Tidbit Film...
Curated Video
Filtration on the ISS
How do astronauts aboard the International Space Station drink water recycled from their own urine? Material processes - Separating mixtures - Separation by filtration Learning Points Filtration can be used to purify liquids. Filtration...
Curated Video
Biology - Structure of the Kidneys - (Kidneys Part 2/3) #28
This video covers: - The structure of the kidneys and urinary system - The structure of the nephron - How filtrate is filtered from the glomerulus to the Bowman's capsule - Which substances are reabsorbed from the tubules into the blood...
Curated Video
Biology - How the Kidneys Work - (Kidneys Part 1/3) #27
This video covers: - The 3 main functions of the kidneys: 1) removing waste, 2) regulating levels of ions, and 3) regulating levels of water - How the kidneys can achieve all of this using filtration and selective reabsorption - How...
Curated Video
GCSE Chemistry - Filtration, Evaporation & Crystallisation #6
In this video we'll look at: - How filtration can be used to separate insoluble solids from a liquid - How evaporation can be used to separate a soluble solid from a solution - How crystallisation can be used to separate a soluble from a...
Curated Video
Water Is Everywhere
Dr. Forrester talks about the many uses of water. She will talk about water treatment plants. Dr. Forrester will also brainstorm with your student how to conserve water.
Curated Video
Mixtures and Solutions
Mixtures and Solutions explores properties of matter by differentiating between pure substances, mixtures, and solutions.
Curated Video
The Structure of the Urinary System and Nephrons Explained
This video discusses the structure of the urinary system, providing an overview of the organs involved in removing waste products and excess substances from the body. The video explains the functions of the renal arteries and veins,...
Science360
ENGINEERS DESIGN NEW LEAD DETECTOR FOR WATER
Mechanical engineer Junhong Chen and a team at the University of Wisconsin, Milwaukee, have developed what you might think of as a "canary in the coal mine" for lead in water. With support from the National Science Foundation, they...
Catalyst University
Starling Forces & Calculating Net Filtration Rate
In this video, we will discuss the major Starling forces that favor or reduce filtration from capillaries. Then we will calculate net filtration pressure (NFP) and net filtration rate (NFR).
Science360
Engineers design new lead detector for water - Science Nation
New sensor offers continuous monitoring, immediate detection of lead Description: Mechanical engineer Junhong Chen and a team at the University of Wisconsin, Milwaukee (UWM), have developed what you might think of as a "canary in the...
Curated Video
Understanding the Role of Kidneys in Maintaining Water and Mineral Balance
This video provides an overview of the function of the kidneys in the human body. It describes how the kidneys work to maintain the balance of water and mineral ions in the body, and how they remove waste products from the blood through...
Professor Dave Explains
Gravity Filtration and Vacuum Filtration
The first laboratory technique that we will learn together is a very simple one, filtration. This is how we separate a mixture of liquids and solids. There are two common ways a chemist will perform filtration, those being gravity...
Professor Dave Explains
Liquid-Liquid Extraction
Separation techniques are important in chemistry, and they won't always be as easy as filtration. Sometimes we need to separate two compounds that are dissolved in the same solution. Often we can take advantage of a difference in...