What is sound?
Sound is energy caused by vibration.
What is vibration?
A fast movement back and forth.
What is this?
A soundwave.
What units are used to measure volume?
Decibels
What volume is dangerous for our hearing?
>85dB
What is amplitude?
The size of a vibration / The size of a soundwave
What does the pitch tell us?
The highness or lowness of a sound
How do we measure pitch?
Frequency / Hertz / Wavelength
What is the unit used to measure frequency?
Hertz
Describe this sound
Loud and low pitched
Describe this sound
Loud and high pitched
Describe this sound
Soft and low pitched
Describe this sound
Soft and low pitched
Describe this sound
Loud and low pitched
Describe this sound
Soft and high pitched
Describe this sound
Loud and high pitched
