3.1 Core technical principles: Section A (20 marks) A mixture of
multiple choice and short answer questions assessing a
breadth of technical knowledge and understanding.
3.1.1 New and emerging
technologies
Industry : The impact of new
and emerging technologies on: •
the design and organisation of
the workplace including
automation and the use of
robotics • buildings and the
place of work • tools and
equipment.
Enterprise: Enterprise based on the
development of an effective business
innovation: • crowd funding • virtual
marketing and retail • co-operatives •
fair trade.
Sustainability: The impact of
resource consumption on the planet:
• finite • non–finite • disposal of
waste.
People : How technology push/market pull
affects choice. Changing job roles due to the
emergence of new ways of working driven
by technological change.
Culture : Changes in fashion and
trends in relation to new and
emergent technologies.
Respecting people of different
faiths and beliefs.
Society :How products are designed and
made to avoid having a negative impact
on others: • design for disabled • elderly •
different religious groups.
Environment : Positive and negative impacts
new products have on the environment: •
continuous improvement • efficient working •
pollution • global warming.
Production techniques and systems: The
contemporary and potential future use of: •
automation • computer aided design (CAD) •
computer aided manufacture (CAM) • flexible
manufacturing systems (FMS) • just in time (JIT) •
lean manufacturing.
How the critical evaluation of new and emerging
technologies informs design decisions: That it is
important to consider scenarios from different
perspectives and considering: • planned obsolescence •
design for maintenance • ethics • the environment.
Ethical factors and consideration of ecological and
social footprint.
3.1.2 Energy
generation and
storage
Fossil fuels : How power is generated
from: • coal • gas • oil. Arguments for and
against the selection of fossil fuels. How
to choose appropriate energy sources.
Nuclear power: How nuclear
power is generated. Arguments
for and against the selection of
nuclear power.
Renewable energy: How power is generated
from: • wind • solar • tidal • hydro-electrical
• biomass. Arguments for and against the
selection of renewable energy.
Energy storage systems including batteries :
Kinetic pumped storage systems. Alkaline
and re-chargeable batteries.
3.1.3 Developments in new
materials
Modern materials: Developments made through the
invention of new or improved processes eg Graphene,
Metal foams and Titanium. Alterations to perform a
particular function eg Coated metals, Liquid Crystal
Displays (LCDs) and Nanomaterials. Classification of the
types of properties of a range of materials. Selecting
appropriate materials. Extracting information from
technical specifications.
Smart materials: That materials can have one or more properties that
can be significantly changed in a controlled fashion by external stimuli,
such as stress, temperature, moisture, or PH eg shape memory alloys,
thermochromic pigments and photochromic pigments
Composite materials: That composite materials are produced
by combining two or more different materials to create an
enhanced material eg glass reinforced plastic (GRP) and
carbonfibre reinforced plastic (CRP).
Technical textiles : How fibres can be spun to make
enhanced fabrics eg conductive fabrics, fire
resistant fabrics, kevlar and microfibres
incorporating micro encapsulation.
3.1.4 Systems approach to designing
Inputs : The use of light sensors,
temperature sensors, pressure
sensors and switches.
Processes : The use of programming
microcontrollers as counters, timers and for
decision making, to provide functionality to
products and processes.
Outputs: The use of buzzers, speakers
and lamps, to provide functionality to
products and processes.
3.1.5 Mechanical devices
Different types of movement : The
functions of mechanical devices to
produce linear, rotary, reciprocating
and oscillating movements.
Changing magnitude and direction of force : Levers: • first
order • second order • third order Linkages: • bell cranks •
push/pull. Rotary systems: • CAMs and followers • simple
gear trains • pulleys and belts.
3.1.6 Materials and their
working properties.
Papers and boards : Students should have an overview of the main categories and types of papers and
boards: papers including: • bleed proof • cartridge paper • grid • layout paper • tracing paper boards
including: • corrugated card • duplex board • foil lined board • foam core board • ink jet card • solid white
board.
Natural and manufactured timbers : Students should have an overview of the main categories and types
of natural and manufactured timbers: hardwoods including: • ash • beech • mahogany • oak • balsa
softwoods including: • larch • pine • spruce manufactured boards including: • medium density fibreboard
(MDF) • plywood • chipboard.
Metals and alloys: Students should have an overview of the main categories and types of metals and
alloys: ferrous metals including: • low carbon steel • cast Iron • high carbon/tool steel non ferrous metals
including: • aluminum • copper • tin • zinc alloys including: • brass • stainless steel • high speed steel.
Polymers : Students should have an overview of the main categories and types of polymers:
thermoforming including: • acrylic (PMMA) • high impact polystyrene (HIPS • high density polythene
(HDPE) • polypropylene (PP) • polyvinyl chloride (PVC) • polyethylene terephthalate (PET) thermosetting
including: • epoxy resin (ER) • melamine-formaldehyde (MF) • phenol formaldehyde (PF) • polyester resin
(PR) • urea–formaldehyde (UF).
Textiles : Students should have an overview of the main categories and types of textiles: natural fibres
including: • cotton • wool • silk synthetic fibres including: • polyester • polyamide (nylon) • elastane (lycra)
blended and mixed fibres including: • cotton/polyester woven including: • plain weave non-woven
including: • bonded fabrics • felted fabrics knitted textiles including: • knitted fabrics.
3.1.6.2 Material properties Students should have an understanding
of the working and physical properties of the materials in
Material properties: In relation to the main categories outlined above (not the specific materials
identified), students should know and understand physical properties such as: • absorbency (resistance
to moisture) • density • fusibility • electrical and thermal conductivity. In relation to the main categories
outlined above (not the specific materials identified), students should know and understand working
properties such as: • strength • hardness • toughness • malleability • ductility and elasticity.
3.2 Specialist technical principles: Section B (30
marks) Several short answer questions (2–5
marks) and one extended response to assess a
more in depth knowledge of technical
principles.
In addition to the core technical principles, all students should develop an in-depth knowledge and
understanding of the following specialist technical principles: • selection of materials or components •
forces and stresses • ecological and social footprint • sources and origins • using and working with
materials • stock forms, types and sizes • scales of production • specialist techniques and processes •
surface treatments and finishes.
3.2.1 Selection of materials or components: In relation to at least one
material category or system, students should be able to select materials
and components considering the factors listed below. Functionality:
application of use, ease of working. Aesthetics: surface finish, texture
and colour. Environmental factors: recyclable or reused materials.
Availability: ease of sourcing and purchase. Cost: bulk buying. Social
factors: social responsibility. Cultural factors: sensitive to cultural
influences. Ethical factors: purchased from ethical sources such as FSC.
3.2.2 Forces and stresses: In relation to at least one material category or
system, students should know and understand the impact of forces and
stresses and the way in which materials can be reinforced and stiffened.
Materials and objects can be manipulated to resist and work with forces and
stresses : Tension, compression, bending, torsion and shear.
Materials can be enhanced to resist and work with forces and stresses to
improve functionality : How materials can be reinforced, stiffened or made more
flexible: eg lamination, bending, folding, webbing, fabric interfacing.
3.2.3 Ecological and social footprint: In relation to at least one material
category or system, students should have a knowledge and understanding of
the ecological and social footprint left by designers.
Ecological issues in the design and manufacture of products: Deforestation,
mining, drilling and farming. Mileage of product from raw material source,
manufacture, distribution, user location and final disposal. That carbon is
produced during the manufacture of products.
The six Rs: Reduce, refuse, re-use, repair, recycle and rethink.
Social issues in the design and manufacture of products : Safe working
conditions; reducing oceanic/ atmospheric pollution and reducing the
detrimental (negative) impact on others.
3.2.4 Sources and origins: Primary sources of materials and the main
processes involved in converting into workable forms for at least one
material area. • Paper and board (how cellulose fibres are derived from
wood and grasses and converted into paper). • Timber based materials
(Seasoning, conversion and creation of manufactured timbers). • Metal
based materials (extraction and refining). • Polymers (refining crude oil,
fractional distillation and cracking). • Textile based materials (obtaining
raw material from animal, chemical and vegetable sources, processing and
spinning).
3.2.5 Using and working with
materials:
Properties of materials: Students must know and understand how different properties of materials
and components are used in commercial products, how properties influence use and how properties
affect performance. Students must know and understand the physical and mechanical properties
relevant to commercial products in their chosen area as follows: • Timber based materials (traditional
timber children’s toys and flat pack furniture). • Metal based materials (cooking utensils and hand
tools). • Polymers (polymer seating and electrical fittings).
The modification of properties for specific purposes: Seasoning to reduce moisture content of timbers
(timber based materials). • Annealing to soften material to improve malleability (metal based
materials). • Stabilisers to resist UV degradation (polymers).
How to shape and form using cutting, abrasion and addition : Timber based materials (how to cut, drill,
chisel, sand and plane). • Metal based materials (how to cut, drill, turn, mill, cast, bronze and weld). •
Polymers (how to cut, drill, cast, deform, print and weld).
3.2.6 Stock forms, types and sizes : In relation to at least one material
category or system, students should know and understand the different
stock forms types and sizes in order to calculate and determine the
quantity of materials or components required. Timber based materials: •
planks, boards and standard moldings • sold by length, width, thickness and
diameter • standard components eg woodscrews, hinges, KD fittings. Metal
based materials: • sheet, rod, bar and tube • sold by length, width, thickness
and diameter • standard components eg rivets, machine screws, nuts, and
bolts. Polymers: • sheet, rod, powder, granules, foam and films • sold by
length, width, gauge and diameter • standard components eg screws, nuts
and bolts, hinges.
3.2.7 Scales of production: In relation to at least one material
category or system, students should be able to select
materials and components considering scales of production
and referencing the processes listed in Specialist Techniques
and processes. How products are produced in different
volumes. The reasons why different manufacturing methods
are used for different production volumes: • prototype •
batch • mass • continuous.
3.2.8 Specialist techniques and processes:
The use of production aids : How to use
measurement/reference points, templates, jigs and patterns
where suitable.
Tools, equipment and processes : A range of tools, equipment and processes that can be used to shape,
fabricate, construct and assemble high quality prototypes, as appropriate to the materials and/or
components being used including: wastage, such as: • die cutting • perforation • turning • sawing •
milling • drilling • cutting and shearing addition, such as: • brazing • welding • lamination • soldering • 3D
printing • batik • sewing • bonding • printing deforming and reforming such as: • vacuum forming •
creasing • pressing • drape forming • bending • folding • blow moulding • casting • injection moulding •
extrusion.
How materials are cut shaped and formed to a tolerance: The manufacture to minimum and maximum
measurements.
Commercial processes : • Timber based materials (routing and turning). • Metal based
materials (milling and casting). • Polymers (injection molding and extrusion).
The application and use of Quality Control to include measurable and quantitative systems used
during manufacture : Timber based materials (dimensional accuracy using go/no go fixture). • Metal
based materials (dimensional accuracy using a depth stop). • Polymers (dimensional accuracy by
selecting correct laser settings).
3.2.9 Surface treatments and finishes: The
preparation and application of treatments
and finishes to enhance functional and
aesthetic properties. Timber based
materials (painting, varnishing and
tanalising). • Metal based materials (dip
coating, powder coating and galvanizing). •
Polymers (polishing, printing and vinyl
decals). • Textile based materials (printing,
dyes and stain protection).
3.3 Designing and making principles:
Section C (50 marks) A mixture of
short answer and extended response
questions.
Students should know and understand that all design and technology activities take place within a
wide range of contexts. They should also understand how the prototypes they develop must satisfy
wants or needs and be fit for their intended use. For example, the home, school, work or leisure. They
will need to demonstrate and apply knowledge and understanding of designing and making principles
in relation to the following areas: • investigation, primary and secondary data • environmental, social
and economic challenge • the work of others • design strategies • communication of design ideas •
prototype development • selection of materials and components • tolerances • material management
• specialist tools and equipment • specialist techniques and processes
3.3.1 Investigation, primary and secondary data
Use primary and secondary data to understand client and/or user needs:
How the following techniques are used and applied: • market research,
interviews and human factors including ergonomics • focus groups and
product analysis and evaluation • the use of anthropometric data and
percentiles.
How to write a design brief and produce a design and manufacturing
specification: Students should consider their own needs, wants and
interests and those of others.
Carry out investigations in order to identfy problems and needs: Why a
designer considers alterations to a brief and modifying the brief as required.
3.3.2 Environmental, social and economic challenge: The
environment, social and economic challenges that influence
design and making. How the following might present
opportunities and constraints that influence the processes of
designing and making: • deforestation • possible increase in
carbon dioxide levels leading to potential global warming • the
need for fair trade.
3.3.3 The work of others
Students should investigate, analyse and
evaluate the work of past and present
designers and companies to inform their
own designing. Students should
investigate the work of a minimum of two
of the following designers: • Harry Beck •
Marcel Breuer • Coco Chanel • Norman
Foster • Sir Alec Issigonis • William Morris
• Alexander McQueen • Mary Quant •
Louis Comfort Tiffany • Raymond Templer
• Marcel Breuer • Gerrit Reitveld • Charles
Rennie Macintosh • Aldo Rossi • Ettore
Sottsass • Philippe Starck • Vivienne
Westwood. Students should investigate
the work of a minimum of two of the
following companies: • Alessi • Apple •
Braun • Dyson • Gap • Primark • Under
Armour • Zara.
3.3.4 Design strategies
Generate imaginative and creative design ideas using a range of
different design strategies: How different strategies can be applied,
including: • collaboration • user centered design • a systems approach •
iterative design • avoiding design fixation.
Explore and develop their own ideas : How this can be done using an
iterative process including: • sketching • modelling • testing • evaluation
of their work to improve outcomes
3.3.5 Communication of design ideas
Develop, communicate, record and justify design ideas using a range of appropriate techniques such
as: • freehand sketching, isometric and perspective • 2D and 3D drawings • system and schematic
diagrams • annotated drawings that explain detailed development or the conceptual stages of
designing • exploded diagrams to show constructional detail or assembly • working drawings: 3rd angle
orthographic, using conventions, dimensions and drawn to scale • audio and visual recordings in
support of aspects of designing: eg interviews with client or users • mathematical modelling • computer
based tools • modelling: working directly with materials and components, eg card modelling, producing
a toile when designing garments, constructing a circuit using breadboard.
3.3.6 Prototype development
Design and develop prototypes in response to client wants and needs. Note the term prototype can be
used to describe either a product or system. How the development of prototypes: • satisfy the
requirements of the brief • respond to client wants and needs • demonstrate innovation • are functional
• consider aesthetics • are potentially marketable. Students should know and understand how to
evaluate prototypes and be able to: • reflect critically, responding to feedback when evaluating their
own prototypes • suggest modifications to improve them through inception and manufacture • assess
if prototypes are fit for purpose.
3.3.7 Selection of materials and components
In relation to at least one of the following material categories
students must develop and apply an in-depth knowledge and
understanding of sections Selection of materials and components
(page 33) to Specialist techniques and processes (page 35)
Appropriate materials and components to make a prototype. How to select and use materials and
components appropriate to the task considering: • functional need • cost • availability.
3.3.8 Tolerances
Work accurately using tolerances. How a range of materials are cut, shaped and formed
to designated tolerances. Why tolerances are applied during making activities.
3.3.9 Material management
Cut materials efficiently and minimise waste: The importance of planning the cutting and shaping of
material to minimise waste eg nesting of shapes and parts to be cut from material stock forms. How
additional material may be removed by a cutting method or required for seam allowance, joint overlap
etc.
Use appropriate marking out methods, data points and coordinates: The value of using measurement
and marking out to create an accurate and quality prototype. The use of data points and coordinates
including the use of reference points, lines and surfaces, templates, jigs and/or patterns
3.3.10 Specialist tools and equipment
How to select and use specialist tools and equipment, including hand tools, machinery, digital design &
manufacture, appropriate for the material and/or task to complete quality outcomes. How to use them
safely to protect themselves and others from harm.
3.3.11 Specialist techniques and processes
How to select and use specialist techniques and processes appropriate for the material and/or task
and use them to the required level of accuracy in order to complete quality outcomes. How to use
them safely to shape, fabricate and construct a high quality prototype, including techniques such as
wastage, addition, deforming and reforming.
Surface treatments and finishes : Students should know and understand that surface treatments and
finishes are applied for functional and aesthetic purposes. How to prepare a material for a treatment
or finish. How to apply an appropriate surface treatment or finish.