Materials N5 Design Manufacture

Which of these is an advantage of designing with metals. Tick two that apply.

• Metals are easy to recycle

• Metals are easy to recycle

• Metals are excellent conductors of heat and electricity

• Metals are easy to work with

Name this silvery, strong and lightweight metal

• Stainless steel

• Cast iron

• Aluminium

• High carbon steel

Select the two TRUE statements

• An alloy is a mixture of two or more metals

• An alloy is always water resistant

• Stainless steel is an alloy of iron, carbon and chromium

• An alloy is a metal coated with another metal

All metals corrode and tarnish over time. True or false?

• True

• False

Select the FERROUS metal

• Brass

• Copper

• Copper

• Iron

One of these statements is true. Which one?

• Non-ferrous metals contain iron

• Non-ferrous metals are attracted to magnets

• Copper is a non-ferrous metal

• High carbon steel is a non-ferrous metal

Choose a suitable material for this knife

• Stainless steel

• Copper

• Aluminium

• Pewter

What are the advantages of plastics to a designer? Tick THREE that apply

• Plastics are both strong and lightweight

• Plastics can be coloured or clear

• Plastics can be easy to shape and mould

• Plastics degrade quickly

• Plastics are generally hard and scratch-resistant

True or false? Thermoplastics can be heated and shaped many times.

• True

• False

Which of these plastics is a THERMOSET?

• Polypropylene

• Melamine formaldehyde

• Polystyrene

• ABS