Natural science. the sound

1. The sound

2. Sound is a form of energy
This energy is called sound energy.
Sound energy can produce
changes in certain objects.

3. Characteristics of sound
Every object emits a characteristics sound
when it vibrates.
1º Intensity
A sound´s intensity can be:
soft
whisper
Loud

4. Characteristics of sound
2º Pitch
A sound pitch is high
if the sound is produced
in a small area.
A sound pitch is low if
the sound is produced
in a large area.

5. Characteristic of sound
3º Timbre
It is the quality of the sound
of a musical instrument or voice.
flute
saxophone
We can play
the same note
but it sounds
different.

6. Spreading sound
The sound spreads until it reaches an object.

7. The characteristic of how sound spread.
Sound travels in All directions
Sound spread in a straight line.
Sound travels 340 metres per second.

8. MUSICAL INSTRUMENT CLASSIFICATION
String musical instruments
They are musical instruments that produce
sound by means of vibrating strings.
Classical
guitar
Harp Viola banjo

9. A percussion instrument is any
object which produces a sound
when it is hit.
MUSICAL INSTRUMENT CLASSIFICATION
Percussion musical instruments

10. A wind instrument is a
musical instrument that
contains some type of
resonator (usually a
tube), in which a column
of air is set into vibration
by the player blowing
into a mouthpiece set
at the end of the
resonator.
MUSICAL INSTRUMENT CLASSIFICATION
Wind musical instruments
recorder
clarinet
bassoon
Double
bassoon