SCIENCE: Sound
There are many different sound about us
There are many different sounds
Vibrate
Sounds are different depends on where you are
In the forest
In the city
Birds singing
Leaves shaking
Sounds of cars
People talking
Vibrate is to move back and forth very quickly
That is how sounds are made
Different things vibrate different ways
Ex: instrument (flute...)
The wind blows through the instruments and the instruments vibrate ➡ produce sounds
Sound is carry through the air by sound waves (we can't see them) and come to our ears and our ears pick up those sound waves
Some of them are soft
Some of them are loud
Ex: sounds of instruments plying softly
Ex: sounds of fireworks
Pitches
There are different pitches of sounds
High
Low
Ex of some instruments that has pitches
Homemade instrument
Xylophone
The glass with middle amount of water
The glass with most amount of water
The glass with less amount of water
Vibrates higher
Vibrates lower
Has several different pieces of wood
When we tap on the wood, the wood vibrates and we get the sound
Smaller piece of wood vibrates higher
Bigger piece of wood vibrates lower
Sound can travel through
Solid
Liquid
Gas