Science

Puberty and adolescence

This Class 9 Science topic from “Reproduction: How Life Continues” explains puberty as the stage when the body begins developing reproductive maturity. Students learn how hormones regulate changes such as growth spurts, development of secondary sexual characteristics, and the beginning of reproductive functions. The topic also introduces adolescence as a broader period of physical, emotional, and social development, helping learners understand personal hygiene, balanced nutrition, responsible choices, and the importance of respecting their own and others’ changing bodies.