Science chpt 13 Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Term | Definition |
The unit for measuring frequency is a(an)_____________ | hertz |
An echo is caused by a(an)____________________ | reflection |
A sound starts with a(an)__________________ | vibration |
Loudness is measured in a unit called a(an)_____________ | decibel |
Overtones affect the _________________ of a sound | quality |
A sound travels as a(an)___________________ | vibration |
A reflected sound is called a(an)____________ | echo |
Sound tends not to bounce off carpets because of ____________ | absorption |
When molecules bunch together, that's the _________ stage of a sound wave | compression |
When molecules spread apart, that's the ___________ stage of a sound wave. | rarefaction |
If the frequency of a musical note is increased, ______________ | the note gets higher |
Echoes are the result of _______________ | reflection |
The two parts of a sound wave are ___________ and ____________ | compression and rarefaction |
The changing pitch of a moving siren is caused by ______________ | the Doppler effect |
Two differences we hear in sounds are ___________ and _____________ | pitch and quality |
Created by:
slohrenz
Popular Science sets