Vocabulary
The form of energy that travels in waves caused by vibrations
What is sound?
Sound travels through
What is air waves?
Sound is a form of energy.
What is True
Sounds waves spread in just one direction.
What is False
A rapid back and forth movement
What is vibration
rumbling sound causes fewer vibrations per second.
What is lower pitch?
The loudness and softness of a sound is called pitch.
What is False?
!!!!!!!Daily Double!!!!!!
When the sound waves hit your out ear then......
What is the Sound waves enter the eardrum and make it vibrate. Then vibrations pass through bones in the middle ear the causing nerves to send messages to the brain and hear the sound.
Dogs, cats, dolphins, and mice can hear ultrasounds.
What is True?
Part of the middle ear that vibrates when sound waves reach it.
What is the eardrum?
The number of sound waves that pass a point each second.
What is Frequency?