Choose the correct answer for each question.

1. What is a common use for polythene?

   1.   ?    Carrier Bags
   2.   ?    Yoghurt pots
   3.   ?    Plastic knives ,forks and spoons.
   4.   ?    Clothes pegs
   5.   ?    Windows

2. Which of these materials is the strongest?

   1.   ?    Blockboard
   2.   ?    Plywood
   3.   ?    MDF
   4.   ?    Pine
   5.   ?    Chipboard

3. Which of these is a thermoset - can not be reformed once it has been moulded or SET.

   1.   ?    Nylon
   2.   ?    Polypropylene.
   3.   ?    Melamine
   4.   ?    PVC (poly vinyl chloride)
   5.   ?    Polyester (PET)

4. Which of these plastics is a themoplastic - melts or softens with heat.

   1.   ?    Melamine
   2.   ?    Acrylic
   3.   ?    Bakelite
   4.   ?    Epoxy resin
   5.   ?    Polyester resin

5. Which of the following is a ferrous metal?

   1.   ?    Copper
   2.   ?    Bronze
   3.   ?    Stainless steel.
   4.   ?    Aluminium
   5.   ?    Brass.

6. Which of the following materials rusts?

   1.   ?    Aluminium
   2.   ?    Stainless steel
   3.   ?    Copper
   4.   ?    Steel
   5.   ?    Lead

7. Which of these materials is an alloy of copper and tin?

   1.   ?    Amalgam
   2.   ?    Pewter
   3.   ?    Solder
   4.   ?    Bronze
   5.   ?    Brass

8. Which of the following is a soft wood?

   1.   ?    Pine
   2.   ?    Jelutong
   3.   ?    Beech
   4.   ?    Mahogany.
   5.   ?    Oak