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These are some of the definitions of some of the keywords from the textbook pages 122-145.
Terms in this set (10)
The polymers, metals, glasses, and ceramics that we use to make all sorts of objects and structures.
A material is in compression when a force tries to push it together and make it smaller.
Large enough to be seen without the help of a microscope.
A unit of length 1,000,000,000 times smaller than a metre.
A polymer with the molecules lined up in a regular was as in cyrstals.
A factory for making chemicals from crude-oil (petroleum) or natural gas. The products are petrochemicals.
A process for hardening natural rubber by making cross-links between the polymer molecules.
A material is durable if it lasts a long time in use. It does not wear out.
A chemical added to a polymer to make it more flexible.
using the Earth's resources in a way that can be continued in the future.
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