Topic 4.1

6. load on a structural member divided by its cross-sectional area
10. give off a small electrical discharge when deformed
12. change in length divided by the original length
14. ability of a material to be changed in shape permanently
17. exhibit pseudo-elasticity and shape memory effect due to rearrangement of the molecules in the material
18. measure of how fast heat is conducted
20. a material that can described as having a reversible change of colour when exposed to light
21. the amount of matter
22. mass per unit volume of a material

1. measure of a material’s ability to conduct electricity
2. ability of a material to withstand being pushed or squashed
3. resistance a material offers to penetration or scratching
4. ability of a material to be drawn or extruded into a wire or other extended shape
5. measure of the stiffness of an elastic material and defined by stress/strain
7. ability of a material to withstand pulling (apart) forces
8. resistance of an elastic body to deflection by an applied force
9. the quantity of three-dimensional space
11. electricity produced directly from heat
13. extent to which a material will return to its original shape after being deformed
15. ability of a material to resist the propagation of cracks
16. technically measure as a force
19. fluids that can undergo dramatic changes in their viscosity