DT Mock Revision

Laith helped me make this.

What are the 6 Rs

Reduce, Reuse, Recycle, Refuse, Rethink and Repair

What is a thermopolymer?

A form of polymer which can be moulded into a shape by heating, after it has set it can be remoulded by heating and reshaping it.

What is plastic memory?

This is when a thermopolymer attempts to return back to it’s original state when it is heated.

Give 3 examples of thermopolymers.

Acrylic, Polypropylene (PP), and ABS

What is a softwood?

Softwoods come from conifers, evergreen trees which keep their needles all year round.

What are some comparisons of softwoods and hardwoods?

Softwoods grow faster, the wood is usually lighter in colour and cheaper.

Give 3 examples of softwoods.

Pine, Cedar and Spruce

What is stainless steel?

A ferrous metal and an alloy made up of iron, carbon and chromium.

Stainless steel properties

Resistant to corrosion, strong and durable.

Stainless steel product examples

Kitchen utensils, cutlery, and appliances.

What is card?

Thin card is slightly thicker than paper, weighing 280-300 gsm. It is available in wide ranges of colour, sizes and finishes.

Properties of thin card.

Thin card is easy to fold, cut and print on making it ideal for things such as greeting cards, simple modelling applications and paperback book covers.

What is a stakeholder?

A stakeholder is a person, group or organisation with an interest in a product/system for example, parents or schools when designing products for children.

What is a woven fabric?

It is produced on manual or automatic looms. They are strong and breathable. They are made from fibres which are turned into yarn, which are turned into fabric, these fabrics are turned into woven fabrics.

What is primary research?

Primary research is the process of the maker of the product researching.

Primary data

Data that is found as a result of primary research.

Secondary research

The process of gathering data from existing collections and publishings. Using resources such as books, articles, reports and websites. It is often cheaper than collecting primary data.

Systems thinking

The understanding of a product or component is part of a larger system of other products and systems in the iterative design process, consideration of the role of all components and subsystems of the product or system, including user experience and the marketing of the object being designed, ensures all aspects of the product are given the required attention to detail.

Aesthetically pleasing definition.

Something that is pleasing to the senses.

Aesthetics definition.

Factors concerned with the appreciation of beauty. This can include how something looks, sounds, feels, tastes and smells.

Red

Aggressive, passion, strong, danger, socialism and heat.

Blue

Comfort, loyalty, sea, sky, peace, tranquility, conservatism and cold.

Yellow

Caution, spring and brightness, joy, cowardice and sunlight.

Green

Money, health, jealousy, greed, food and nature.

Brown

Nature, aged and eccentric

Orange

Warmth, excitement, energy, religion, fire and gaudiness (Mr Birling)

Pink

Soft, healthy, childlike, feminine, gratitude and sympathy.

Purple

Royalty, sophistication, religion, creativity and wisdom.

Black

Dramatic, classy, serious, modern, evil and mourning.

Grey

Business, cold, distinctive, humility and neutrality.

White

Clean, pure, simple, innocent, elegant and peace.

Proportion

The relative size and scale of the various elements in a design.

Symmetry

When elements are arranged in the same way on both sides of an axis or when rotated around a point

Asymmetry

The absence of symmetry of any kind.

Golden ratio

A common, mathematical ratio found in nature, it can be used to create, pleasing, natural looking compositions in your design work; also known as the golden mean, the golden section or by the Greek letter Phi. 1:1.618

What is an input?

The type of motion put into a mechanism.

Output

The type of motion a mechanism produces.

Arm length

The distance between the force being exerted and the fulcrum.

Effort

Input of the force

Fulcrum

The pivot around which a lever turns.

Lever

A ridged bar that turns around a fulcrum.

Load

The output force.

Microcontroller

A programmable electric component that adds functionality to a product. E.G. Micro:Bit

Upcycling

Recycling into a higher quality product.

Rethink

How can it do the job better? Is there another way of doing it altogether? Is it energy efficient? Has it been designed for disassmbly?

Reuse

Which parts can it use again? How easy is it to take apart? Has it another valuable use without recycling or discarding it?

Recycling

The action or process of converting waste into reusable material.

Repair

Which parts are likely to fail or wear? How easy is it to replace parts?

Reduce

Which parts are not needed? Do we need as much material? Can we simplify the product?

Refuse

Is it really necessary? Is it going to last? Is it fairtrade? Is it too unfashionable to be trendy and too costly to be stylish? Is it ethically wrong? Is it made from material that is scarce?

Renewable energy

Sources can be replenished naturally in a short period of time.

Hydroelectric

Dam is used to trap water, the water released turns turbines, turbines turn generators, electricity is distributed.

Wind

Blades are designed to catch wind. Blades turn turbines using gears, turbines turn generators, electricity is distributed.

Solar photovoltaic

Photovoltaic cells convert light into electricity.

Tidal barrages

Barrage built across river estuary, turbines turn as tidfe enters (and when tide leaves), turbines turn generators, electricity is distributed.

Wave

Motion of waves forces air up cylinder, turns turbines, turbines turn generators, electricity is distributed

Geothermal

Cold water is pumped underground through heated rocks, steam turns turbines, turbines turns generators, electricity is distributed

Biomass

Fuel (wood, sugarcane, etc.) is burnt to generate heat, which heats water to generate steam, steam turns turbines, turbines, turbines turn generators, electricity is distributed.