21st Century Material Choices

21st Century Science Higher Material Choices (C2) (Glossary of Terms).
A material made up of very long molecules formed when lots of smaller molecules join?. Reusing a material over and over again?. The ability of a resource to be used and replaced without damage to the environment.. The fraction of crude oil with a boiling range of 100 to 150 °C, used in the chemical industry?. Burying rubbish in holes in the ground?. A material which has been drawn into a thread or filament?. How bendy a material is?. A force that tries to squash a material?. The mass of a specific volume of a substance, eg the mass in kg of 1m3. = mass/volume?. Property of a material that determines the force required to break it?. How difficult it is to bend a material?. Property of a material that allows it to return to its original size when a force is removed?. Manufactured from other substances?. The mean (average) of a set of data that is presumed to be close to the true value?. Occurs in nature?. Particles made up of two or more atoms joined together?. A substance that cannot be broken down into anything simpler by chemical reactions?. A substance consisting of two or more elements chemically joined together?. A substance composed of two or more elements or compounds not joined together?. The difference between a reading and the true value?.

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