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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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Chemical synthesis
The process of carrying out a set of chemical reactions to create a chemical product or products, often one not found in nature such as, a synthetic drug. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
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Nuclear fusion
A nuclear reaction in which two atomic nuclei fuse to form a larger one. 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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Ionisation
The process of stripping electrons from, or adding them to, atoms or molecules to produce charged ions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Seafloor spreading
The spreading of the seafloor around mid-ocean ridges as new rock is formed in between two tectonic plates. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Stable
Not susceptible to any process of decay or change in the long term. 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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Activation energy
The minimum amount of energy needed to initiate a chemical reaction. 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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Divergence
The process by which new species or variations within species evolve in populations. 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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Work
Mechanical work is the energy transferred by a force in moving through a distance. 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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Atom
The building blocks of all matter, being the smallest unit that retains the chemical properties of an element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Polarisation
Polarisation is the process by which a transverse wave, such as a light wave is made to oscillate in one plane only. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Amplification of DNA
Producing many identical copies of a DNA sequence, by laboratory processes, such as the polymerase chain reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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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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Spontaneous emission
The process in which an atom or molecule produces a photon of light when it undergoes a spontaneous transition from an excited state to a lower energy level. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
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Decomposition
The process by which dead organic matter is broken down into simpler chemicals and dispersed. 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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Atomic number
The number of protons in the nucleus of an atom. 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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Leaching
In agriculture, the loss of important nutrients from the soil, carried away when too much water flows through it. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Endothermic
A chemical reaction or process that absorbs heat from the surrroundings. 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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Endocytosis
The process by which a cell can take in material from its environment by first engulfing it with its cell membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Chemical reaction
Any process in which one or more chemicals are changed into different products, by the breaking and formation of chemical bonds. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Enthalpy change
The amount of heat energy gained or lost by a chemical system when a process or reaction takes place at constant pressure. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Infrared light
Electromagnetic radiation with a slightly longer wavelength than visible light, between about 700 and 1050 nanometres. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Subduction
The process that takes place when two tectonic plates collide together, and one is pushed under another. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Crystallisation
The formation of solid crystals from a solution, or a cooling liquid or 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...