Sound Waves Characteristics of Sound Sound Waves #2 Characteristics of Sound and The Ear Uses of Sound
200
all directions
In what direction do sound waves move outward?
200
volume
What characteristic of sound depends on how much force is used to make an object vibrate?
200
energy
Sound is a form of ________ that you can hear.
200
blowing on it
hitting it / plucking it
rubbing it
What are three ways you can make an object vibrate?
200
False
True or False - All sounds are good for our ears.
400
solid
Which state of matter does sound travel fastest through?
400
quality
What characteristic of sound helps us identify different people's voices?
400
vibrating
Sound is caused by a moving object that is _______.
400
outter ear
The ear flap and the canal make up what part of the ear?
400
sing
How can we use sound to glorify and obey God?
600
an echo
What is a rapid back and forth movement called?
600
pitch
What characteristic of sound depends on how fast the source of sound is vibrating?
600
reflect
Large, hard, smooth surfaces _______ sound waves.
600
middle ear
The eardrum, hammer, anvil and stirrup make up the...
600
communicate
praise God
We use sound to.....
800
different speeds
At what speed do sound waves travel through all kinds of matter?
800
The quality of the sound is different.
Why do clarinets and flutes sound different even when they play the same note?
800
echo
A sound wave that reflects clearly enough to be heard again is called an _______.
800
inner ear
The cochlea and auditory nerve are part of the.....
800
move out of the way
A siren on a police car, fire truck, or an ambulance warns drivers to do what?
the source of there vibrations
Sound waves spread out as they move farther away from....
Pitch is how high or low a sound is and volume is how loud or soft a sound is.
What is the difference between pitch and volume?
something blocks their path
Sound waves keep moving outward until......
sends messages to the brain
What does the auditory nerve do?
trumpet
In Bible times what instrument was often used to communicate information?






Social Studies - 3rd Grade

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