Eduqas GCSE Design and Technology key terms

A plastic containing many small gas-filled spaces, or cells, which reduce its density compared with the solid material.

A lightweight polystyrene foam made from expanded beads fused together, used for packaging and thermal insulation.

A drawing showing a product's parts separated but arranged to explain how they fit together.

Unfair treatment of workers for someone else’s benefit, for example through unsafe conditions, forced labour or unfair pay.

A length of material made by forcing softened polymer through a shaped opening called a die, giving it a consistent cross-section.

Making a product or structure by joining separate pieces of material.

A treatment applied to a textile fabric to change its appearance, performance or durability.

An approach to trade that seeks fair prices and better working conditions for producers.

Comments, observations or responses from other people that help a designer judge and improve a product.

A method of making non-woven fabric by matting or entangling fibres together.

A metal or alloy containing iron.

A fine strand that forms the raw material of a textile.

A combination of different fibre types within a yarn, produced by bringing the fibres together during spinning.

A fabric constructed using yarns of different types, rather than necessarily combining the fibres within each yarn.

A surface treatment or covering used to protect a material, alter its appearance, or both.

An operation applied to a paper or board product to improve its appearance, feel, protection or final function.

Suitable for its intended task, user and conditions of use.

A device that holds and locates a workpiece securely during manufacture.

A chemical treatment that reduces how readily a fabric ignites or how quickly it burns.

How readily a material ignites and burns.

The ability of a material to bend without breaking.

A length of yarn that passes over several other yarns without interlacing with each one.

A diagram of instructions and tests linked by arrows to show the order in which a program runs.

A diagram using connected symbols and arrows to show a sequence of actions and decisions.

The wavy sheet within corrugated board, which separates its flat outer layers.

The wavy paper layer between the flat liners of corrugated board, which contributes to cushioning and resistance to crushing.

A substance used during soldering to control oxidation and help the solder form a sound joint.