Wave Transmission Vocabulary

Front

What is an echo?

Back

A reflected sound wave.

Front

What is a decibel?

Back

A unit measuring loudness.

Front

What is echolocation?

Back

The finding of an object using reflected sound.

Front

What is vibration?

Back

Back and forth movement that causes sound.

Front

What is diffraction?

Back

Bending waves around a barrier.

Front

What is a sound wave?

Back

A longitudinal wave that travels through a medium.

Front

What is frequency?

Back

The number of waves that pass a point in one second.

Front

What is amplitude?

Back

The height of a wave, related to its loudness.

Front

What is a medium in sound transmission?

Back

The substance through which sound waves travel.

Front

What is the speed of sound?

Back

The speed at which sound waves travel through a medium.