12.- To take a coin we use our fingers. To take sugar we use a spoon. To drink water we use a glass. a) Those things that we take with our fingers we say that they are solid, while if we use a spoon or glass we say that they are liquid. b) All solids have their shape, even if there are differences in size. While all liquids are accommodated in the container that contains them. c) Having or not having its shape is a property that does not serve to differentiate solids from liquids. d) None of the above. I think:

Match the vocabulary terms to their definitions. 1 . a long, chain-like set of molecules made up of repeating units joined end to end polymer 2 . a hard, brittle, heat- and corrosion-resistant material made by subjecting a nonmetallic mineral mixture to intense heat ceramic 3 . a plastic with low elongations that cannot be recycled thermoset 4 . a carbon fiber embedded in a polymer resin matrix thermoplastic 5 . a plastic with high elongations that can be recycled crystal 6 . a solid form resulting from the arrangement of atoms, ions, or molecules in definite geometric patterns composite