Curated Video
Difference between acids and bases. And why supervillains love them.
What is the difference between acids and bases? This is a commonly asked question in both chemistry and biology classes. In this video, we will go through the definition of acid and base, and why they are so important to us, and, uh,...
Weird History
History's Weirdest King and Queen Deaths
Kings live some of the most extraordinary lives of any human beings. They can have seemingly limitless wealth, power, and time to do what they want. But one thing seems to mirror extraordinary lives: extraordinary deaths. The kings on...
Curated Video
Could You Survive on Mars? Problem-Solving.
Could you survive on Mars? This is, to a large extent, a Project Management question. And the answer is about your attitude to problem-solving. I rewatched the film 'The Martian' with Matt Damon. Coming from a science background, I was...
Curated Video
Number Challenges: Four 4's & Build A Number
This video provides two number challenges designed to improve number sense! In this video, we explore the Four 4’s Challenge, where you use exactly four 4’s to create numbers from 1 to 20, and the Build A Number Challenge, where you...
Science ABC
Is Your Stomach Acid (Gastric Acid) Diluted When You Drink Water?
Short answer: Yes, drinking a lot of water will certainly change the pH of the stomach, but this amount is trivial. However, since your stomach is very acidic, to begin with, drinking water will not dilute it significantly. Also, there...
Science ABC
Can You Make Water in a Lab?
It is not as easy to manufacture water as it appears. Combining hydrogen and oxygen atoms—the two constituents of water—releases tremendous energy. When combined chemically, these highly flammable gases produce large explosions, as...
Science ABC
Why Do Bubbles Form In A Glass Of Water?
Water especially the one which flows through the pipe contains atmospheric gases, such as nitrogen and oxygen, dissolved in it. As the glass filled with water sits out for a few hours, its temperature rises slightly (water gets warmer),...
Science ABC
Why Are pH Values Only In A Range Of 0-14?
The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...
Great Big Story
The mystery of Kryptos, a CIA puzzle unsolved for decades
Dive into the enigma of Kryptos, a CIA sculpture hiding an unsolved code, and meet Elonka Dunin, a dedicated cryptanalyst working to crack it.
Curated Video
How To Solve One - Step Equations (Addition & Subtraction)
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor an algebraic expression, using different methods and several examples.
Food Farmer Earth
Revitalizing Our Food System: Insights from Claire Hope Cummings
Delve into the transformative ideas of Claire Hope Cummings on sustainable agriculture. Learn how food can connect us to our community, culture, and the natural world in meaningful ways.
Curated Video
Solvent
The substance, such as water, in which another substance can dissolve. 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
Ion
An atom or molecule that has gained or lost one or more electrons, and so has an electrical charge. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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
Dissolve
To make a solution of something by mixing a soluble substance into a solvent, such as salt into water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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
Saturated solutions
A saturated solution is one which contains as much solute as possible without changing any conditions such as temperature or pressure. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Strong acid
A strong acid is one that is fully ionised in solution. 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
Amniotic fluid
A clear, yellowish fluid that surrounds the developing foetus in the amniotic sac within the mother's womb. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Neutralisation
The chemical process by which a base neutralises an acid, producing a salt and water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Aqueous
An aqueous solution is simply any solution in water. 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
Solution
A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Precipitate
A solid that forms in a liquid solution. 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 concepts and key...