Answer:
pitch waves
- The sensation of a frequency is commonly referred to as the pitch of a sound. A high pitch sound corresponds to a high frequency sound wave and a low pitch sound corresponds to a low frequency sound wave.
Echo location
- Echolocation is a technique used by bats, dolphins and other animals to determine the location of objects using reflected sound. This allows the animals to move around in pitch darkness, so they can navigate, hunt, identify friends and enemies, and avoid obstacles.
Loud
- Loudness. Sounds travel as waves of vibrations. The bigger the waves, the more energy they carry, and the louder they sound. When they arrive at your ears, louder sounds push harder against your eardrums.
Quantify
- Quantification is the act of giving a numerical value to a measurement of something, that is, to count the quanta of whatever one is measuring.
