Most listeners can correctly identify the relative age and gender of speakers without being able to see them. How is it that the human voice is capable of producing such a range of sounds? Find out with a short video that examines the various organs and muscles that produce speech and how changes to these tissues over time effect the sounds of voices.

Concepts

voice, cartilage, muscles, sound vibrations, vibration, puberty

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Additional Tags

health

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Instructional Ideas

• Explore the suggested links to determine if appropriate for your classroom

Classroom Considerations

• The esoteric explanations may prove uninteresting to some learners
• Requires an account to customize the lesson

Pros

• The resource includes the video, a comprehension check and links to related articles 

Cons

• None