It may even make some of the less scientifically inclined students participate more in the class work. All activities and inquiries in this chapter are based around sport.
Students examine force including friction.
The chapter looks at ways technology has improved performance in sport by reducing air and water resistance. Billiards is used to explain the concept of momentum and its conservation and there is a wonderful photo of a sumo wrestler to depict the concept of inertia. Students should undertake this activity individually and then discuss their answers in small groups of three or four. Make use of the sports experts in your class by asking them to comment on the deliberations of their peers. 1.2 Weight is important in sport As an extension to this activity, discuss why the long jump record set at the Mexico Olympic Games has still not been broken, and is much longer than any previous or subsequent jumps.