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Materials. 1  Which of the following is a soft wood? 1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5. Pine.

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Presentation on theme: "Materials. 1  Which of the following is a soft wood? 1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5. Pine."— Presentation transcript:

1 Materials

2 1  Which of the following is a soft wood? 1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5. Pine

3 2  Which of these materials is an alloy of copper and tin? 1. Pewter 2. Brass 3. Amalgam 4. Bronze 5. Solder

4 3  Which of the following materials rusts? 1. Copper 2. Stainless steel 3. Aluminium 4. Lead 5. Steel

5 4  Which of these plastics is a themoplastic - melts or softens with heat. 1. Acrylic 2. Melamine 3. Bakelite 4. Epoxy resin 5. Polyester resin

6 5  Which of the following is a ferrous metal? 1. Stainless steel. 2. Aluminium 3. Copper 4. Brass. 5. Bronze

7 6  Which of these materials is the strongest? 1. MDF 2. Blockboard 3. Plywood 4. Pine 5. Chipboard

8 7  Which of these is a thermoset - can not be reformed once it has been moulded or SET. 1. Polyester (PET) 2. Nylon 3. Polypropylene. 4. Melamine 5. PVC (poly vinyl chloride)

9 8  What is a common use for polythene? 1. Carrier Bags 2. Clothes pegs 3. Plastic knives,forks and spoons. 4. Yoghurt pots 5. Windows

10 Answers…

11 1  Which of the following is a soft wood? 1. Mahogany. 2. Jelutong 3. Oak 4. Beech 5. Pine

12 2  Which of these materials is an alloy of copper and tin? 1. Pewter 2. Brass 3. Amalgam 4. Bronze 5. Solder

13 3  Which of the following materials rusts? 1. Copper 2. Stainless steel 3. Aluminium 4. Lead 5. Steel

14 4  Which of these plastics is a themoplastic - melts or softens with heat. 1. Acrylic 2. Melamine 3. Bakelite 4. Epoxy resin 5. Polyester resin

15 5  Which of the following is a ferrous metal? 1. Stainless steel. 2. Aluminium 3. Copper 4. Brass. 5. Bronze

16 6  Which of these materials is the strongest? 1. MDF 2. Blockboard 3. Plywood 4. Pine 5. Chipboard

17 7  Which of these is a thermoset - can not be reformed once it has been moulded or SET. 1. Polyester (PET) 2. Nylon 3. Polypropylene. 4. Melamine 5. PVC (poly vinyl chloride)

18 8  What is a common use for polythene? 1. Carrier Bags 2. Clothes pegs 3. Plastic knives,forks and spoons. 4. Yoghurt pots 5. Windows


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