tech

• What does a working property describe?

  How a material responds to use in a certain environment or way
• What is strength in terms of material properties?

  The ability to withstand a force without breaking
• What does hardness refer to in materials?

  The ability to resist abrasive wear and indentation
• Define toughness in materials.

  The ability to absorb energy through shock without fracturing
• What is malleability?

  The ability to deform under compression without cracking
• What does ductility refer to?

  The ability to be stretched into a thin strand without snapping
• Define elasticity in materials.

  The ability to return to its original shape after being compressed or stretched
• What is a physical property?

  An inherent property of a material
• What does absorbency refer to in materials?

  The tendency to attract or take on an element, usually a liquid
• How is density defined?

  The mass of material per unit of volume
• What is the formula for density?

  Density = mass/volume
• Define fusibility in materials.

  The ability to be converted into a liquid state through heat
• What does electrical conductivity refer to?

  The ability to conduct electricity
• Define thermal conductivity.

  The ability of a material to conduct heat
• What happens when a bending force is applied to a material?

  It causes compression on one side and expansion on the other
• What is compression in terms of material properties?

  The reduction in volume by increasing external pressure
• Define shear in the context of forces.

  A strain produced when layers are laterally shifted in relation to each other
• What does tension refer to in material properties?

  A drawing force applied to an object
• Define torsion in terms of forces.

  A twisting force applied to an object
• What are the two types of forces described?

  • Pull force: Draws something towards the source
  • Push force: Moves something away from the source
• What is material enhancement?

  • The process of improving the desired properties of a material
  • Techniques include:
  • Lamination: Adding layers to form a composite
  • Increases strength, rigidity, and sometimes flexibility
• What is lamination?

  Adding layers to a material to form a composite
• What is the purpose of a risk assessment?

  To identify potential hazards and control measures to harm
• What does HASAWA stand for?

  Health and Safety Work Act
• What are the 6R's in a linear economy?

  1. Replace
  2. Rethink
  3. Make
  4. Use
  5. Dispose
  6. Recycle
• What is the concept of a circular economy?

  • A considerate approach to reduce, reuse, and recycle
  • Aims to minimize waste and maximize resources
  • Focuses on the total cost over a product's life cycle
• What is a carbon footprint?

  The amount of carbon dioxide each person generates
• What is a social footprint?

  How the actions of a company affect people, the environment, and society
• What is the purpose of the circular economy?

  • To avoid creating waste
  • To dispose of materials responsibly
  • To consider the environmental and social impact of production, use, and disposal
• What is the SCAMPER technique?

  • Substitute
  • Combine
  • Adapt
  • Modify
  • Put to another use
  • Eliminate
  • Reverse
• What is user-centered design?

  • A circular design process focused on client needs
  • Models, evaluates, and improvises based on testing results
• What is iterative design?

  • A circular design process with multiple rounds of testing
  • Allows flexibility and encourages improvements
• What is the formula for calculating force?

  Force = mass x acceleration
• What are static forces?

  Forces that are not moving
• What are dynamic forces?

  Forces that are moving
• Is the weight of a book on a bookshelf an example of static or dynamic forces?


  Static forces
• Is the impact of a tennis ball hitting a racket an example of static or dynamic forces?

  Dynamic forces
• What type of force is the attraction between two magnets?

  Static forces
• What type of force is the force of the wind on a building?

  Dynamic forces
• Match the force to the correct diagram: What is the force for diagram 1?

  Tension