What is sound
what is sound
sound is a form of energy that we can hear
what is light
light is a form of a energy
Is sun Nataurl or artificial
Sun is natural
How sound can be heard?
By pushing the ear into our ear
how many light sources do we hove
we have 2 light sources the first one is artificial the second one is natural
is the moon Natural or artificial
the moon is Natural
Can someone change the speed of sound?
Yes they can
when does the light hit the materials what happens
It will reflect or it will absorb or it will pass
Are stars Nataurl or artificial
The stars are Natural
If you speed faster the sound speed will the sound speed change?
no
Why in winter we where a black cloth
Because it absorbs light and make it heat
is lamp Natural or artificial
Lamp is artificial
which aerials absorb the sound and which reflect
soft materials will absorb the sound and tough materials will reflect
Why in sommer we wher white cloth
Because the wite color reflect all of colors
Is fire Nataurl or artificial
Fire is Natural