This chapter asks a question taken from daily life - why were clothes line invented? We use natural processes to achieve our goals (in this case - drying the laundry), but we are not always aware of the complexity of these processes or of our ability to control them.
In this chapter the students will investigate the factors affecting the drying rate of clothes, explain their results using a particle model, and finally examine how scientific knowledge of this topic is used to create a technological application - the clothes dryer.
To prepare for your lesson, you will find the following resources useful: