Curated Video
DNA
Deoxyribonucleic Acid, the molecule that stores and passes on genetic information that determines how an organism develops and functions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Invention of Nylon
Nylon is one of the strongest polymers created by man. What makes it so durable? Chemistry - Chemical Industries - Learning Points. In the past, clothes were all made from natural sources, such as silk, wool and cotton. Then Wallace...
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Intermolecular Forces
Discover the role played by intermolecular forces in changing the state of matter between solid, liquid and gas. Chemistry - Atoms And Bonding - Learning Points. Intermolecular forces are the attractive forces between molecules....
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Making Slime
We make slime using borax, water and food colouring. The slime is a non-Newtonian liquid. A non-Newtonian liquid can behave like a liquid or a solid depending on the pressure applied to it. Chemistry - Atoms And Bonding - Learning...
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Clearing Oil Spills
We investigate the effectiveness of different methods to clear oil spills from water. First, we try to burn the oil in a sample of water using a gas lighter but there is no effect. Next, we break the oil up using detergent but this does...
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Hydrogels
We use a disposable nappy to examine the superabsorbent properties of hydrogels. We add water to grains of hydrogel and watch them swell before adding salt to see the water escape. Chemistry - Chemical Industries - Learning Points....
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Dancing Polymer
We create a polymer using cornflour and water called oobleck. Oobleck is a non-Newtonian liquid that behaves like a solid and a liquid. When placed on a speaker, the vibrations cause the polymer to constantly change its behaviour and it...
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Polymer
A large molecule consisting of many recurring units, or monomers, generally linked in long chains that may contain thousands of links. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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The Main Principles of Heredity: The Chemical Structure of DNA
By the end of this learning object, the learner will be able to: Explain the chemical structure of DNA.88055
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I WONDER - What Is A Polymer?
Stretch your mind with 'What Is A Polymer?' to discover the amazing world of long, repeating molecules! A quick, fun dive into science, perfect for kids who love to ask 'Why?
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I WONDER - What Impact Does Plastic Have In Everyday Life?
Dive into 'What Impact Does Plastic Have In Everyday Life?' to uncover how this common material affects our world and us! A quick, eye-opening exploration, perfect for young environmental champions.
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I WONDER - Is A Plastic A Polymer?
Dive into 'Is A Plastic A Polymer?' to discover the twisty, tangled world of materials that make up so much around us! A quick, fascinating peek into science, great for curious kids.
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I WONDER - Are There Polymers Found In Nature?
Explore 'Are There Polymers Found In Nature?' to see how nature is full of amazing materials called polymers! A quick, fun look perfect for young explorers.
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I WONDER - Are All Plastics The Same?
Discover 'Are All Plastics The Same?' to learn about the many faces of plastics! A quick, fun look at how not all plastics are alike, just for kids.
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The Science of Chewing Gum: How It's Made and Its Effects
Unwrap the fascinating process behind how chewing gum is made and its unique properties. From its historical roots with the Mayans to modern production techniques, discover what makes this stretchy, sticky confectionery a global...
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Testing a New Substance to Remove Storm Clouds: A Potential Breakthrough in Storm Mitigation
Dyna Gel is a new substance developed by Dynamac, a Florida-based environmental products company, that has the potential to remove storm clouds from the sky. By absorbing water from storms and turning it into a gel-like substance that...
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Revolutionizing Bone Healing: Liquid Artificial Bone Injection
This video showcases a revolutionary new approach to treating bone fractures using liquid artificial bone. This video highlights the key benefits of this new technology, including the ability for new bone tissue and stem cells to migrate...
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GCSE Biology - What is DNA? (Structure and Function of DNA) #65
This video covers: - The structure of DNA - What nucleotides are - Complementary base pairing - How genes code for proteins - The functions of proteins Exam board specific info: (probably useful for everyone though) AQA - Separate/triple...
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GCSE Chemistry - Condensation Polymers (Polyesters) #60
This video covers: - What condensation polymers are - How they're made from dicarboxylic acids and diols - How the monomers join together (ester bonds) - How to write the equations - Why condensation polymers are more biodegradable than...
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GCSE Chemistry - Addition Polymers & Polymerisation #56
This video covers: - How the carbon carbon double bond allows alkenes to form addition polymers - How to write reactions for polymerisation - How to draw the monomers, polymers and repeat units - The conditions for addition...
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GCSE Chemistry - Naturally Occurring Polymers - Polypeptides, DNA, and Carbohydrates #61
This video covers: - Examples of polymers that occur naturally, including: - Polypeptides, which are made of amino acids - DNA, which is made of nucleotides - Carbohydrates, which are made of sugars - How the monomers combine to form the...
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GCSE Chemistry - What is a Polymer? Polymers / Monomers / Their Properties Explained #23
Everything you need to know about polymers! Polymers are large molecules made up of lots of repeating units called monomers. This video covers: how to identify them, how to draw them, and their properties.
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There are actually three kinds of spicy
Not all spicy sensations are the same, so what does “spicy” actually mean?
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Simple rules for cast iron care
Taking good care of your cast iron (or carbon steel!) cookware starts with understanding the chemistry it relies on.