GCSE DESIGN AND TECHNOLOGY Unit 1

GCSE DESIGN AND TECHNOLOGY Unit 1 Define Strength - ANSWER the ability of a material to withstand a force without breaking or bending. Define Elasticity - ANSWER The ability of a material to bend or flex when subjected to a force and then return to its original shape. Define Hardness - ANSWER A measure of how easily a mineral can be scratched Define Toughness - ANSWER Mechanical property of a material that indicates the ability of the material to handle overloading before it fractures. Define Brittleness - ANSWER The tendency to crack or break; the opposite of elasticity Define Durability - ANSWER the ability to withstand wear, pressure, or damage. Define stability - ANSWER Resistance to withstand changes in shape or size over time. What is wood like in relation to Stability? - ANSWER Unstable - tends to warp and twist with changes in humidity. What are the main the Client needs? 'ACCESS FM' - ANSWER A - Aesthetics C - Customer (Who?) C - Cost E - Environment (will it help the environment?) S - Size S - Shape F - Function M - Material Why are man made boards made? - ANSWER -They are the most economical method of using wood. -They allow much bigger sheets to be produces than what can be cut from a tree. -They are stable and are free from knots and splits. Name 5 man -made wood - ANSWER - Block Board - Hardboard - Medium density fibreboard - Plywood - Chipboard