Sound
Is this sound natural or man made?
A dog barking
Natural
Which does more damage?
Higher decibels or lower decibels?
Higher
What is pitch?
Highness or lowness of sound.
Is this sound natural or man made?
A car horn
Man made
A sound at __dB or higher cause damage to our ears.
85
What is volume?
Loudness of sound.
What is a vibration?
What makes sound.
A back and forth motion.
What can we wear to protect our ears?
Headphones
Ear plugs
What is duration?
The length the sound travels.
Sound travel in _____.
Waves
True or false
Earwax protects our ears.
True
Objects that vibrate fast make _________ pitch sounds.
High
Sound energy is energy you can _____.
A - see
B - hear
C - taste
D - smell
B
What is a sound that is safe to listen to?
Answers will vary.
The size of an object will change the:
A - the color of the sound
B - the shape of the sound
C - the volume of the sound
D - the material of the sound
C