Sound Waves Review
Nikki Rivers Sound Waves Review
Part A- Matching
Match each term with their corresponding definition/sentence.
A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium.
Wave
A physical environment through which a disturbance can travel.
Doppler Effect
A region of maximum density and pressure in a longitudinal wave.
Rarefaction
A region of minimum density and pressure in a longitudinal wave.
Compression
The number of cycles per unit of time.
Ray
The frequency of an audible sound wave determines how high or low we perceive the sound to be.
Frequency
The radical lines perpendicular to wave fronts.
Pitch
An observed change in the frequency of a wave when the source or observer is moving.
Medium
Part A- Matching con... 1
Match each term with their corresponding definition/sentence.
Sound waves are always produced from a ______ object.
20 Hz
Sound waves humans can hear are called ______.
vibrating
Sound waves that humans can't hear are called _____.
20,000 Hz
Ultrasonic sound waves have frequencies higher than ______.
audible sound waves
Infrasonic sound waves have frequencies that are lower than _____.
Ultrasonic and infrasonic
Part A- Matching con... 2
Match each term with their corresponding definition/sentence.
Sound waves travel faster through _____ mediums rather than ______ ones.
longitudinal
_____ can also affect the speed of a sound wave travelling through a medium,
solid; gaseous
Sound waves are ______.
Temperature
Audible sound waves have frequencies between ____ and _____.
20 Hz; 20,000 Hz
Part B- Word Search
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