Grade 7 | Science | Sound | Free Tutorial | CBSE | ICSE | State Board

Welcome to our "Sound Class 7 Science" tutorial! In this video, we'll dive deep into the fascinating world of sound—how it's created, how it travels, and how we perceive it. Perfect for students and educators alike, this lesson is designed to make complex concepts easy to understand.

What you'll learn:
- Understand that sound is caused by vibrations
- Know about different musical instruments and their sounds
- Learn how sound is produced and propagated by humans
- Discover the necessity of a medium for sound propagation
- Analyze sound propagation in liquids and solids
- Define key terms like amplitude, time period, and frequency
- Differentiate between loudness and pitch
- Identify audible and inaudible sounds
- Understand the difference between noise and music
- Learn about noise pollution and its control measures

Key topics covered:
- Production of sound by vibrating bodies
- Sound as a mechanical wave
- Longitudinal and transverse waves
- Sound propagation in different states of matter (solids, liquids, gases)
- Human voice production and the role of the larynx
- Experiments demonstrating sound propagation
- Frequency, amplitude, and pitch of sound
- Audible vs. ultrasonic and infrasonic sounds
- Music vs. noise
- Causes and control of noise pollution

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[PriyaSingh-ycis]

Nice vid but u should make explanation more easy
(Don't u think so ?)

[aritraray]

Valo video na ma'am dekhte bollo tai dekhchi ma'am valo bhujhai ..

[Darkmooneditz]

Nice I am from space I am 👽 thank you for explaining me