Exercises

Some of the properties of plastics are listed below.

- Do not conduct electricity,
- Some do not conduct heat,
- Some can be spun into threads,
- Some do not melt,
- Are cheap,
- Are easy to mould

- Are non toxic

Look at the items on the right. What properties of plastics are useful in each.

Draw the polymer structure of each item.

Drink bottle

Light fitting

Cooking pot holder

Shirts

Extra exercises