Wood, metal and plastic Flashcards
(20 cards)
Why might hardwood be chosen for furniture making?
Because it is strong, durable, and has an attractive grain for appearance.
Name a reason for using softwood in construction.
It’s readily available, easy to work with, and generally cheaper than hardwood.
Why is plywood often selected for shelving or furniture?
It’s strong, stable, and less likely to warp than solid wood.
What makes MDF suitable for flat-pack furniture?
It’s smooth, easy to cut, and takes finishes well, although it needs sealing.
Why might aluminium be used for a bicycle frame?
It’s lightweight, corrosion-resistant, and has a good strength-to-weight ratio.
What property makes stainless steel ideal for kitchen equipment?
It’s hygienic, strong, durable, and resistant to corrosion.
Why is mild steel used in construction?
It’s tough, strong, relatively cheap, and can be welded easily.
Give a reason for using brass for decorative fittings.
It has an attractive appearance and resists tarnishing.
Why might acrylic be chosen for signage?
It’s weather-resistant, lightweight, and easy to cut and shape.
What makes polypropylene suitable for food containers?
It’s lightweight, hygienic, resistant to chemicals, and safe for food contact.
Name a reason for selecting ABS for a product like a protective phone case.
It’s tough, impact-resistant, and available in a range of colours.
Why is polystyrene used for packaging?
It’s lightweight, insulating, and shock-absorbent.
Which material would be most suitable for an outdoor garden bench and why?
Treated hardwood or powder-coated metal, as both are weather-resistant and durable.
What makes copper suitable for electrical wiring?
It’s an excellent conductor of electricity and flexible.
Why is oak used for flooring?
It’s hard-wearing, attractive, and long-lasting.
Name a suitable material for a child’s toy and explain why.
HDPE (High-Density Polyethylene) — because it’s tough, impact-resistant, and safe for contact with skin.
Why is carbon fibre sometimes used in high-performance sports equipment?
It’s extremely lightweight, very strong, and stiff.
What makes uPVC a good choice for window frames?
It’s weather-resistant, low-maintenance, and provides good insulation.
Name a reason for selecting steel for a structural beam.
It’s very strong under tension and compression and widely available.
Why might birch plywood be used for making a model or prototype?
It’s easy to cut, lightweight, and has a fine, even grain for a neat finish.
