MinuteEarth
How We Learned That Water Isn't An Element
For thousands of years, water was thought to be an element. That is, until some of the greatest chemists in the world managed to crack it open.
SciShow
Can Moon Colonies Get Oxygen From the...Moon?
As we look towards longer missions to the Moon, the shear amount of resources needed to survive becomes a much bigger question. Without space semi-trucks to haul life-giving resources to astronauts, can we utilize the Moon’s barren...
SciShow
Why Scientists are Giving Robots Human Muscles
Human-robot hybrids are advancing quickly, but the applications aren't just for complete synthetic humans. There's a lot we can learn about ourselves in the process.
Crash Course
The Future of Clean Energy: Crash Course Engineering #31
This week we are exploring alternative energy sources. We'll look at how biomass can be burned as a fuel source, how hydrogen can be used in a fuel cell to generate electrical power, and how nuclear fission provides power to the grid....
Curated Video
Electrode
An electrical conductor that connects to a non-metallic part of a circuit. 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
Electrolysis: Driving Chemical Reactions with Electricity
The process of using a direct electric current passing through a conductive liquid to drive a chemical reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Extraction
The process of deriving metals from their naturally-occurring ores. 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
Electroplating
Coating an object with a metal using electrolysis. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract...
Curated Video
Molten
A substance that has been converted to liquid form by heating. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Electrolytic cell
An electrolytic cell is a system that breaks down chemical compounds by electrolysis. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Electrolysis: Discovery, Process, and Industrial Applications
Electrolysis is fundamental to industrial processes. How was it discovered, how does it work and what are its uses? Chemistry - Reactions - Learning Points. The Chemist Humphry Davy developed the reaction we now call electrolysis....
Curated Video
Reactivity Series: Reactive Metals
The discovery and uses of reactive metals throughout history, and how their uses have defined the period in which they were discovered. Chemistry - Periodic Table - Learning Points. The reactivity series ranks the chemical reactivity of...
Curated Video
Electrolysis of Water
We use electrolysis to break water molecules down into hydrogen and oxygen. This is done using the Hoffman apparatus. Water is added to the apparatus along with some dilute sulfuric acid. When a current is passed through the water,...
Curated Video
Metal Extraction
We extract copper metal from copper chloride solution using electrolysis. The electric current causes copper to form at one electrode and chlorine gas to form at the other. The presence of chlorine is tested using blue litmus paper....
Curated Video
Ion Migration
We separate the ions in copper dichromate gel using electrolysis. We see the positive blue copper ions move to the negative electrode and the negative yellow chromate ions move to the positive electrode. Chemistry - Reactions - Learning...
Curated Video
Extraction of Aluminium
Explore the difficulties of extracting aluminium from its ore, and how the vast quantities of heat and electricity generated by electrolysis allow this to happen. Chemistry - ReactionsLearning Points. Aluminium is difficult to extract...
Curated Video
¿Qué es la Electrólisis? - Reacciones
La electrólisis es el paso de corriente eléctrica a través de un líquido que provoca cambios químicos. El líquido, que contiene iones positivos (cationes) y negativos (aniones) libres, puede ser un compuesto iónico fundido o una solución...
Curated Video
¿Qué son las Reacciones Endotérmicas y Exotérmicas?
Las reacciones exotérmicas liberan energía al entorno, generalmente en forma de calor, como en una hoguera. Ejemplos incluyen la combustión, la neutralización y la respiración, y se detectan si aumenta la temperatura. Las reacciones...
Curated Video
इलेक्ट्रोलाइसिस क्या होता है? | रासायनिक विज्ञान | FuseSchool Hindi
इलेक्ट्रोलिसिस एक ऐसी प्रक्रिया है जिसमें एक तरल माध्यम के माध्यम से विद्युत प्रवाह के प्रभाव से रासायनिक परिवर्तन होते हैं। उदाहरण के लिए, जब सोडियम क्लोराइड (टेबल नमक) को 801 डिग्री सेल्सियस से अधिक तापमान पर गर्म किया जाता है, तो यह...
Curated Video
GCSE Chemistry - Electrolysis Part 3 - Aqueous Solutions #42
In this video we cover: - How the electrolysis of soluble compounds works - The rules to find out which ions are discharge at each electrode - Electrolysis of aqueous copper sulfate - Electrolysis of aqueous sodium chloride This video is...
Curated Video
GCSE Chemistry - Electrolysis Part 1 - Basics and Molten Compounds #40
This video covers: - What electrolysis is - The equipment of electrolysis and how it should be set up - An example of electrolysis with a molten compound
Curated Video
GCSE Chemistry - Electrolysis P2 - Electrolysis to Extract Metals From Oxides - Explained #41
This video covers: - How to extract reactive metals from their oxides using electrolysis - Recap of extracting unreactive metals with 'reduction by carbon' - The specific example of extracting aluminium from aluminium oxide - Writing...
Curated Video
How Do Astronauts Get Breathable Oxygen In Space (Aboard The ISS)?
Astronauts onboard the ISS get their breathable oxygen in two main ways - through systems onboard the ISS that generate breathable oxygen and through resupply missions that deliver breathable oxygen to the ISS. There is plenty of oxygen...
Next Animation Studio
Canada to use dams to power huge hydrogen fuel plant
The dream of a world running on a fuel that leaves only water vapor when it is burned, is becoming reality.