Ch 6 Sound
Classs-7 Subject- Physics Chapter-6 Sound No. Of periods required - 8 Topic - Sound Objectives: 1. To understand the production of sound. 2. To learn about the properties of sound as longitudinal wave. 3. To comprehend the concept of speed of sound in different media. 4. To understand the terms related to sound waves. 5. To learn about reflection of sound and Echo. 6. To identify sound absorber materials. Procedure: I. Introduction 1. Introduce the topic of sound and its importance in our daily lives. 2. Ask students about their experiences with sound. II. Production of Sound 1. Explain the production of sound using a tuning fork. 2. Discuss how sound is produced when an object vibrates. III. Speed of Sound 1. Explain how sound travels as a longitudinal wave. 2. Discuss the speed of sound in different media (air, water, metal). 3. Use diagrams to illustrate the concept. IV. Terms Related to Sound Waves 1. Define and explain ...