What's a sound?
a) it's an object
b) it's energy
It is energy
What are the main characteristics of a sound?
a) The main characteristics are Loudness, Pitch and Timber.
b) The main characteristics of a sound are length, loudness and strength.
a) The main characteristics are Loudness, Pitch and Timber.
Is an airplane a natural sound?
a) Yes
b) No
No
When is a sound produced?
a)A sound is produced when the vibration of an object travel through a solid, a liquid or a gaseous medium until they reach our ears.
b)A sound is produced when the ears of a person travel through a guitar, a violin or another instrument until they reach a vibration.
A sound is produced when the vibration of an object travel through a solid, a liquid or a gaseous medium until they reach our ears.
What's the name of the unit of measurement of the loudness?
a) hertz
b) decibel
decibel
Is the sing of a whale natural?
a) Yes, it is.
b) No, it isn't
Yes, it is.
How many types of sound are there?
a)There is only one type of sound. Natural.
b) There are two types of sound, natural and artificial
There are two types of sound, natural and artificial.
What is the hertz?
a) The hertz is the unit of measurement of the loudness.
b) The hertz is the unit of measurement of the frequency
The hertz is the unit of measurement of the frequency
Is the quack of a duck, natural?
a) Yes, it is.
b) No, it isn't
Yes, it is.
In which shape does a sound propagates?
a) Sound propagates in the shape of a rectangle.
b) Sound propagates in the shape of a wave.
Sound propagates in the shape of a wave.
What is the timber?
a) It is the tone quality, that permits to distinguish sounds.
b) it is the volume of a sound that permits to distinguish sounds.
It is the tone quality, that permits to distinguish sounds.
Is the sound of a TV program natural?
a) Yes, it is
b) No, it isn't
No, It isn't