Sound Worksheet-1

Sound Worksheet-1

 

  1. Sound is caused by _____.

 

  1. A sound wave consists of places of higher pressure called _____ and places of _____ pressure called _____.

 

  1. Wave speed in metres per second equals frequency in ___ multiplied by____ in ____.

 

  1. Sound cannot travel through ____.

 

  1. The speed of sound in a solid is ____ than the speed of sound in air.

 

  1. When the frequency of the sound is increased, the wavelength _____.

 

  1. An echo is simply a ____sound.

 

  1. Pitch of sound depends on _____.

 

  1. Loudness of sound depends on _____.

 

  1. Quality of sound depends on _____.

 

  1. Echoes are caused by the _____of sound.

 

Answer Key:

  1. Vibrations

  2. Compressions; lower; rarefactions

  3. Hertz, wavelength, Metres

  4. Vacuum

  5. greater

  6. decreases

  7. reflected

  8. frequency

  9. amplitude

  10. Waveform

  11. reflection