While on-board a high-speed rollercoaster, Professor Robert Winston explains the dramatic changes that take place in our body during puberty. He discusses the role of the sex hormones and the physical changes that occur, including growth of pubic hair and bones, and production of sperm and eggs.

This clip is from:
Bitesize Secondary, Science 1
First broadcast:
28 February 2008

Students could create a class Venn diagram about all the changes they can think of that puberty brings, one for changes in females and one for males, and the intersection for changes in both sexes. They could do some follow-up research about which hormones are responsible for these changes.