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

2.3 Voice Change

Last updated at April 26, 2026 by

What is Voice Change?

It is the alteration in voice quality due to larynx growth .

Key Facts and Examples
  • Voice box or larynx begins to grow during puberty.
IMG005

A teenage boy speaks with his hand on his throat,
indicating a change in voice during adolescence.

Example: Boys notice their voice becoming deeper
  • Boys develop larger voice boxes than girls.
IMG011

A teenage boy feels his throat as he notices changes
in his voice during adolescence.

Example: Adam's apple becomes visible in boys' throats
  • Voice cracking occurs when larynx muscles stretch unevenly .
Example: Boys' voices suddenly become high-pitched mid-sentence
  • Girls' voices become fuller and slightly high-pitched .
Example: Girls notice their singing range changes
Voice Change Process Larynx grows Voice box enlarges Muscles stretch Uneven stretching occurs Voice cracks Temporary hoarseness Normal adult voice develops!
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