DT AQA GCSE EXAM WITH COMPLETE SOLUTIONS 100%
VERIFIED 2025 UPDATE!!
sustainability - ANSWER meeting the needs of the present without compromising the
ability of future generations to meet their own needs
CAD - ANSWER Computer Aided Design
drawing, designing and modelling on screen if connected to a compatible machine
CAM - ANSWER Computer Aided Manufacturing
it allows CAD designs to be made by machine
things can be designed at one factory and made somewhere really far away
coal power - ANSWER Energy produced by burning coal
causes atmospheric pollution
metal foam - ANSWER A metal containing gas-filled pores, giving it a very low density
uses of metal foam - ANSWER soundproofing crash protection in vehicles
titanium - ANSWER high corrosion resistance, high strength to density ratio
Uses of titanium - ANSWER fighter aircraft, artificial hip joints
coated metals - ANSWER anodised aluminium, nickel-plates steels and polymer-coated
aluminium
, uses for coated metals - ANSWER to make the metal have different properties
make it stronger
protect it from corrosion
Corn starch polymers - ANSWER developed to replace oil based thermoplastics
have a short life span
biodegradable
uses of corn starch polymers - ANSWER disposable cutlery
photochromic pigments - ANSWER material that changes colour if the level of light
changes
uses of photochromic pigments - ANSWER lenses in sunglasses
photochromic windows
composites - ANSWER a material made from two or more different materials to combine
their properties
reinforced plastic
carbon fibre
uses of composites - ANSWER boat exteriors, reinforced concrete bridge, hockey stick
conductive fabrics - ANSWER fabrics that have conductive fibres woven into them
uses for conductive fabrics - ANSWER fencing jackets to help with the scoring system
uses for fire resistant fabrics - ANSWER fire fighters suits, children nightwear (has to by
VERIFIED 2025 UPDATE!!
sustainability - ANSWER meeting the needs of the present without compromising the
ability of future generations to meet their own needs
CAD - ANSWER Computer Aided Design
drawing, designing and modelling on screen if connected to a compatible machine
CAM - ANSWER Computer Aided Manufacturing
it allows CAD designs to be made by machine
things can be designed at one factory and made somewhere really far away
coal power - ANSWER Energy produced by burning coal
causes atmospheric pollution
metal foam - ANSWER A metal containing gas-filled pores, giving it a very low density
uses of metal foam - ANSWER soundproofing crash protection in vehicles
titanium - ANSWER high corrosion resistance, high strength to density ratio
Uses of titanium - ANSWER fighter aircraft, artificial hip joints
coated metals - ANSWER anodised aluminium, nickel-plates steels and polymer-coated
aluminium
, uses for coated metals - ANSWER to make the metal have different properties
make it stronger
protect it from corrosion
Corn starch polymers - ANSWER developed to replace oil based thermoplastics
have a short life span
biodegradable
uses of corn starch polymers - ANSWER disposable cutlery
photochromic pigments - ANSWER material that changes colour if the level of light
changes
uses of photochromic pigments - ANSWER lenses in sunglasses
photochromic windows
composites - ANSWER a material made from two or more different materials to combine
their properties
reinforced plastic
carbon fibre
uses of composites - ANSWER boat exteriors, reinforced concrete bridge, hockey stick
conductive fabrics - ANSWER fabrics that have conductive fibres woven into them
uses for conductive fabrics - ANSWER fencing jackets to help with the scoring system
uses for fire resistant fabrics - ANSWER fire fighters suits, children nightwear (has to by