Sound- Speed of sound in different media

This ppt deals with one of the sub topics from the grade 9 lesson- sound.

1. Speed of sound in different Media Efforts by:Hemasri

2. SPEED OF SOUND (thunder) SPEED OF LIGHT(lightening)

3. The speed of sound in a medium depends on: temperature

4. The speed of sound decreases: SOLID TO LIQUID

5. The speed of sound decreases: TEMPERATURE DECREASES EG.SPEED OF SOUND IN AIR: 331m/s at 0 degree, 344m/sat 22 degree