Curated Video
Antibiotic
Drugs used to treat bacterial infections by killing or inhibiting the growth of bacteria.They do not work against viruses or fungi, and so cannot treat many other infections. A Twig Science Glossary Film. Key scientific terms defined in...
Curated Video
Reaction
A chemical change in which chemical bonds are broken, and new bonds are formed, to produce a new chemical substance. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Gas
The state of matter in which particles are widely separated and are in constant random motion. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Pure
Free of any unwanted substances or contaminants. 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...
Curated Video
Reactivity
The tendency of a substance to undergo chemical reactions. 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...
Curated Video
Substance
Material that has a definite chemical composition and distinct properties. 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
Non-flammable
A substance that is not readily ignited or rapidly burned is said to be non-flammable. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Electron shell
An orbit around the nucleus of an atom that can be occupied by one or more electrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Metalloid
While most elements can easily be categorised as either metals or non-metals, a few have physical and chemical properties that are in between, which makes them harder to classify. A Twig Science Glossary Film. Key scientific terms...
Curated Video
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...
Curated Video
Aerobic Respiration: Oxygen-Powered Energy
Respiration that uses oxygen. This is the main chemical reaction that occurs in all our cells to release energy that our bodies can use. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
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...
Curated Video
Methane
A colourless and odorless gas that belongs to the alkane group of hydrocarbons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Molecular formula
A formula that shows the actual numbers of atoms of each element in one molecule of a compound. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Limestone
A sedimentary rock composed mostly of calcium carbonate; relatively soft, and light brown in colour. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Oxidiser
A chemical agent that readily releases oxygen atoms, or that readily gains electrons in a redox reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Equilibrium
A reversible chemical reaction reaches equilibrium when the concentrations of the reactants and products are constant. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Mineral (chemistry)
A naturally occurring element or compound that has a crystalline form and has been produced by geological processes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
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...
Curated Video
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...
Curated Video
Isomers
Molecules with identical molecular formulas but in which the atoms are arranged differently. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
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...
Curated Video
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...
Curated Video
Periodic table
A systematic arrangement of the chemical elements. 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...