C1, C2, C3 keywords

Pregunta	Respuesta
Melting point	The temperature at which something melts.
Monomer	A small molecule that can be joined to make others in long chains to make it a polymer.
Branched chain	A chain of carbon atoms with short branches.
Polymerise	The joining together of lots of small molecules called monomers to form a long chain molecule called a polymer.
Crystalline polymer	A polymer with crystals lined up in a regular way as in a crystal.
Crude oil	A dark, oily liquid found in the Earth, which is a mixture of hydrocarbons.
Hydrocarbon	A compound of hydrogen and carbon only. Ethane is a hydrocarbon.
Fraction	A mixture of hydrocarbons with similar boiling points that have been separated from crude oil by fractional distillation.
Fractional distillation	The process of separating crude oil into groups of molecules with similar boiling points called fractions.
Chemical synthesis	Making a new chemical by joining together simpler chemicals.
Material	The polymers, metals, glasses and ceramics that we use to make all sorts of objects and structures.
Properties	The physical and chemical characteristics of a chemical are what make it different from other chemicals.
Polymer	A material made of very long molecules formed by joining lots of small molecules called monomers together.
Natural	A material that occurs naturally but may need processing to make it useful, such as silk, cotton and leather.
Mixture	Two or more different chemicals, mixed but not joined chemically.
Synthetic	A material made by a chemical process, not naturally occurring.
Tectonic plates	Giant slabs of rock that make up the Earths outer layer.
Magnetic	A material that is attracted to a magnet. For example, iron is magnetic.
Sedimentary rock	Rock formed from layers of sediment.
Grains	A small particle of a substance, for example, grains of sand.
Erosion	The movement of solids at the Earths surface cause by wind, water, ice, gravity and living organisms.
Evaporation	The change in state from a liquid to a gas.

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	Creado por Jessica Phillips hace más de 10 años