Sound Flashcards
1
Q
What does sound travel in
A
Sound travels in waves
2
Q
How is sound produced
A
It is produced by vibrations
3
Q
Is sound a type of energy
A
Yes it is a type of energy
4
Q
How is an echo produced
A
An echo is produced when sound bounces of a solid surface
5
Q
What can sound energy be converted into,what can it do
A
Sound energy can be converted into kinetic energy and it can make objects move
6
Q
What does sound need to be heard
A
Sound needs a medium to be heard
7
Q
What is ear protection used for
A
It is used to protect the ears
8
Q
How fast does sound travel
A
340m/s
9
Q
How fast does light travel
A
300,000,000 m/s
10
Q
What is sound measured in
A
Sound is measured in decibels
