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How fast something moves through an object
Speed of sound
Substance through which sound waves travel
Medium
Energy produced by the vibration of sound waves
Sound Energy
The location of objects by reflected sound
Echolocation
The length between the compressions in a sound wave
Wavelength
A reflection of a sound
Echo
Thin flap of skin that stretches tight like a drum and vibrates when the sound hits it
Eardrum
Sound travels faster through what kind of medium?
Solids
What is this an example of?
When you shout in a canyon and you hear your voice come back
Echo
How much sound energy reaches the ear
Volume
Fill in the blank:
Waves with a _____ frequency, have a high pitch.
High
A shock wave ghat consists of compressed sound waves created when something moves
Sonic Boom
Fill in the blank:
The slower the object vibrates, the ______ the volume of the sound.
Softer
To move back and forth
Vibrate
Sound waves travel through what mediums?
Solids, liquids, and gas
How high or low a sound is; determined by the frequency of the vibration
Pitch
Sound travels in a wave, which is a moving pattern of high and low pressure or vibrations
Sound wave
Unit of measurement to indicate the volume of a sound
Decibel
Measurement of the number of times a sound wave repeats
Frequency
When sound energy hits an object and is converted into another form of energy; the opposite of reflection
Absorption
Name an example of something that creates vibration
Answers will vary
A special kind of sound that is too high for our ears to hear. These waves bounce off objects in the body and return to the device, creating a picture based on how they reflect back
Ultrasound
Fill in the blank:
Waves with a _____ frequency, have a low pitch.
Low