1. Product Evolution Quiz

2. Why do products evolve over time? (2 reasons) a) Developments in new materials b) Need for improvements c) Changing fashions d) More profits for manufacturer s

3. Which is an example of social change impacting product evolution? a) Women going out to work b) Consumer demand c) Development of products d) Technological push

4. The iron has evolved since… a) 1700s b) 1800s c) 1900s d) 2000s

5. Which plastic was commonly used in irons in the 1940s? a) Epoxy resin b) Thermosetting plastic c) Formaldehyde d) Bakelite

6. At the beginning of the 20 th century irons were... a) Lightweight b) Heated on a coal or wood-burning stove c) Manufactured abroad d) Adjustable

7. What materials began to develop in the 1950s? (Pick 2) a) Rayon b) Cotton c) Nylon d) Linen