Vocabulary Flashcards
1
Q
The back and forth movement of an object. Vibrations can be powerful, weak, fast or slow.
A
Vibration
2
Q
Vibrations moving through matter. They travel fastest through solids, slower through liquids and even slower through gases.
A
Sound Waves
3
Q
The highness or lowness of a sound. It is caused by the sound’s frequency.
A
Pitch
4
Q
How fast something is vibrating.
A
Frequency
5
Q
The unit of measurement for sound frequency. How many vibrations are made in one second.
A
Hertz (Hz)
6
Q
The loudness of a sound.
A
Volume
7
Q
A unit of measurement for the volume of a sound vibration.
A
Decibel (db)
