Sound 2
Tightening a guitar string will change its vibration. It will vibrate with a greater frequency.

Sound 2

This Science quiz is called 'Sound 2' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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A sound is produced when a substance vibrates. As a signal perceived by one of the major senses, sound is used by many species for detecting danger, navigation, predation and communication.

Discover more interesting facts in this Science quiz about sound.

1.
Sounds which have a very high frequency are called .......
Decibles
Infra sound
Resonance
Ultra sound
In the ocean, sperm whales use sound to stun or kill their prey
2.
A high frequency of vibrations produces .......
High pitched sounds
Loud sounds
Low pitched sounds
Quiet sounds
3.
How will tightening a guitar string change its vibration?
It will vibrate with a greater amplitude
It will vibrate with a greater frequency
It will vibrate with a smaller amplitude
It will vibrate with a smaller frequency
4.
Frequency is measured in .......
Hertz
Metres
Ohms
Volts
5.
Older people can't hear .......
Any better or worse than younger people
High pitched sounds as well as younger people
Low frequency sounds as well as younger people
Low pitched sounds as well as younger people
6.
Sounds cannot travel through .......
A gas
A liquid
A solid
A vacuum
A vacuum has no particles so there is nothing to vibrate
7.
A large amplitude of vibration produces .......
High pitched sound
Loud sounds
Low pitched sounds
Quiet sounds
Concorde was the only passenger plane to fly faster than the speed of sound
8.
How will a thin string on a violin vibrate compared to a thick string?
It will vibrate with a greater amplitude
It will vibrate with a greater frequency
It will vibrate with a smaller amplitude
It will vibrate with a smaller frequency
9.
How does decreasing the length of a guitar string change its vibration?
Changes the amplitude
Decreases frequency
Decreases pitch
Increases frequency
10.
A loudspeaker changes .......
Electrical energy to sound energy
Potential energy to sound energy
Sound energy to electrical energy
Sound energy to potential energy
Author:  Sue Davison

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