What is a polymer?, Liquid mixture, Long molecules, Pure metal, Small atoms, What is repeated many times in a polymer molecule?, Atom groups, Electric charges, Glass layers, Metal sheets, Which is a natural polymer?, LDPE, HDPE, PVC, Wool, Why is wool useful for jumpers?, Conducts electricity, Very brittle, Traps heat, Melts easily, Which property makes cotton good for T-shirts?, Absorbs sweat, Very slippery, Conducts heat, Brittle surface, Why is rubber suitable for tyres?, Heavy and rough, Sharp and thin, Flexible and durable, Brittle and weak, What does LDPE commonly make?, Glass windows, Carrier bags, Ceramic mugs, Brick walls, What is HDPE used for in the lesson?, Cotton shirts, Wood tables, Paper towels, Knee joints, Which property makes PVC good for cable insulation?, Dissolves quickly, Low melting, No conductivity, Very brittle, Why does poly(ethene) melt at a higher temperature than methane?, Bigger molecules, More colour, Less mass, Fewer atoms.

Polymers

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