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Class 7
Chapter 6 Class 7 - Adolescence: A Stage of Growth and Change (Curiosi

1.1 Definition and Duration of Adolescence

Last updated at April 26, 2026 by

What is Adolescence?

It is the period of life when the body undergoes changes leading to reproductive maturity .

Key Facts and Examples
  • Adolescence begins around 10-11 years and lasts till 18-19 years .
IMG007

A 12-year-old boy notices his clothes getting
smaller as he looks in the mirror, indicating growth
during adolescence.

Example: Tejas is 12 years old and experiencing body changes
  • Adolescents are also called teenagers during the teens period .
Example: Mahi is 16 years old and is called a teenager
  • The onset and duration of adolescence varies from person to person .
Example: Some children start changes at 10, others at 12
  • Body changes during adolescence mark the onset of puberty .
Example: Mahi became taller and her voice changed slightly
Adolescence Timeline Age 10-11 years Adolescence begins Teens period 13-18 years called teenagers Age 18-19 years Adolescence ends Reproductive maturity achieved
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