Sound Waves
Sound Waves travel as ______ waves.
What is Longitudinal?
In what type of media will sound travel the fastest?
What is a Solid?
The amount of energy a sound wave carries per second through a unit of area is its what? (not on quiz)
What is intensity?
High frequency sounds have __________ pitch.
What is high?
How many licks does it take to get to the center of a lollipop?
Sound is made when a source of energy forces matter to ___________.
What is vibrate?
The elasticity of a substance describes how fast or slow its particle bounces back and forth as _________ move through the object
What is vibrations?
The ________ of a wave increases with increased energy.
What is amplitude?
1. As sound waves move, air particles push into other air particles in regions called ________ and spread out in regions called ________.
What is compressions, rarefactions
Around 22,000
A back-and-forth motion causing particles to move closer together generates a ____________.
What is a compression?
Which physical property of a medium is defined by how close the particles of the substance are to each other?
What is density?
Loudness of waves is measured in what?
What is Decibels?
Sound is different from light because it must have _____________.
What is a medium to travel through
What is the only metal liquid at room temperature?
Mercury
A rarefaction is generated when particles move _______.
What is apart?
Which temperature causes sound to travel more slowly?
What is cold?
The maximum safe level for loudness is what?
What is 85 dB?
Name an object that would produce a high-pitched sound.
What is An object vibrating very quickly
How neck bones does a giraffe have?
7 neck bones ( same as humans)
Sound waves cannot travel through ___________.
What is outer space?
Which of these is not a property of a sound wave?
intensity, elasticity, loudness, pitch
What is elasticity?
Frequency of waves is measured in what?
What is hertz?
Name an object that would produce a low-pitched sound.
An object vibrating very slowly
What is the only continent without an active volcano?
Australia