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Alloy
A mixture containing a metal element, made by melting the different elements together. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Supernova
The explosion of a massive star at the end of its life. 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...
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Allotropes
Different forms of the same element, composed of exactly the same atoms, in the same physical state, but in different arrangements. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Oxidation
The process of gaining oxygen in a chemical reaction, or more generally of losing electrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Heat resistant
The ability of a substance to withstand the effects of high temperature without being permanently changed. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Sublimation
When a solid changes directly into a gas, without passing through a liquid stage. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Organic molecule
Generally refers to a compound that contains carbon bonded to hydrogen and is usually associated with the carbon molecules made by living organisms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Reduction
Any chemical reaction in which oxygen is removed from a substance. 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...
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Redox reaction
A reaction in which oxidation and reduction occur together. 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...
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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...
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Polyunsaturated
Chains of carbon atoms, especially in fats and oils, that contain two or more double bonds between carbon atoms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Biomass
The total mass of living organisms in an area or ecosystem. 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...
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Hydrocarbons
Any organic compound composed only of carbon and hydrogen. 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...
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Organic chemistry
The study of carbon-based compounds. 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...
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Factpack: How to Make a Human
Revealing the elements which make up the human body, and their relative abundance. Chemistry - Periodic Table - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
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Crystal
A solid consisting of atoms, molecules, or ions arranged in a highly ordered, repetitive, three-dimensional lattice. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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White dwarf
A small, extremely dense star characterised by high temperature and luminosity, no longer capable of nuclear fusion. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Compound
A substance composed of more than one chemical element, whose atoms are held together by strong chemical bonds and are combined in a fixed ratio. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Non-metals
The non-metal elements are found to the right of the Periodic Table. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Reducing agent
A substance that removes oxygen from, or donates electrons to, another substance during a reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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The Elements: Carbon
Learn about carbon - the basis for all life on Earth. Chemistry - Periodic Table - Learning Points. Carbon is the basis for all life on Earth. Pure carbon exists in many useful forms. Diamond, graphite, coal and charcoal are all carbon....
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Factpack: Hydrocarbons
An introduction to hydrocarbons. Learn how unreactive alkanes can be made into reactive alkenes. Chemistry - Chemical Industries - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or...
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The Sun - Our Star
Our Sun is a medium sized star, which creates the perfect conditions for life on Earth. What happens on the Sun and how do stars, including the Sun, live and die? Physics - Our Solar System - Learning Points. The Sun is 4.6 billion years...
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Carbon Capture: Artificial Trees
Artificial trees: what are they? How do they work? And how could they help to prevent climate change in the future? Human Geography - A Changing World - Learning Points. The rate of climate change is increasing because of the increasing...