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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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Blastocyst
An early stage in the development of a mammalian embryo, consisting of a hollow ball of cells that will later form the embryo and the placenta. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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Fatty acid
Naturally occurring carboxylic acids with long, unbranched hydrocarbon chains. 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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RNA
Or ribonucleic acid, is a nucleic acid, similar to DNA. 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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Radiation
Though often used more narrowly to refer to ionising radiation, the term radiation refers to any form of energy that travels through a medium, radiating outwards from a source. A Twig Science Glossary Film. Key scientific terms defined...
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Fusion
The joining together of two or more distinct parts to make a unified whole. 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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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...
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Addition reaction
A reaction in which two molecules combine to form a larger molecule. 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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Transducer
A device that converts one form of energy into another. 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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Caldera
A large cauldron-like volcanic feature, formed when a chamber full of magma empties and the ground above it collapses. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Smog - City Air Pollution
From 'smoky fog', smog is a form of pollution often associated with cities. 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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Acid
A compound which dissolves in water to form a solution with a pH of less than 7. 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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Total internal reflection
The complete reflection of a light ray within a transparent material. 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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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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Perpetual Motion
A machine that can work under its own power forever would revolutionise our world. Could this ever be possible? Physics - Energy And Radioactivity - Learning Points. A perpetual motion machine is a theoretical machine that can run...
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Energy
The capacity of a system or a body to do work. 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...
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Efficiency
The proportion of energy supplied to a device or process that is converted into a useful form. 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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Displacement reaction
A reaction in which a more reactive element replaces a less reactive element in a compound. 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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Aerosol
A suspension of very fine liquid or solid particles in a gas. 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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Carpel
The female part of a flowering plant, consisting of the ovaries, ovules, a stalk-like tube called the style, and its sticky surface called the stigma. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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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...
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Surface tension
The cohesive force that occurs at the surface of a liquid, due to the attractive forces between molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Factpack: Pregnancy Timeline
See what's happening during different stages of pregnancy, as the baby changes from conception to birth. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use...
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The Very First Cell
The Earth is billions of years old and was once a very hostile place. Eventually, a single cell was formed that evolved and reproduced. What conditions produced this first life on Earth? Biology - Cells And DNA - Learning Points....