Science - Sound

How is sound made?

By vibrations
How does sound travel?

It is transferred in waves
Does sound travel through a vacuum (empty space)?

No
Which travels faster, light or sound?

Light
What happens if the frequency of a sound wave increases?

It increases the pitch of the sound
What happens if the amplitude if a sound wave increases?

It increases the loudness of the sound
What is an echo?

This is when sound reflects off a surface
State an advantage of an echo

Echo sounding to find out the dpeth of a sea
State a disadvantage of an echo

It is a nuisance in large halls, cinemas and theatres
What is the unit used to measure sound?

Decibels
List ways in which a person can reduce sound levels in their house

Use carpets and curtains in a house

Use double glazing windows
State two differences between light and sound

Light travels through a vacuum (empty space) but sound does not

Light travels faster than sound

Author

mshowley

146111

Card Set

Science - Sound

Description

Sound

Updated

2017-06-16T16:43:44Z