Front

What form of energy is produced by vibrations?

Back

Sound

Front

Why does sound travel faster in solids than in gases and liquids?

Back

Solid particles are closed to each other allowing particles to move quickly in response to vibration.

Front

What is described as a quick movement of back and forth?

Back

Vibration

Front

What happens when sound hits a hard, flat solid?

Back

The sound tends to bounce back, resulting in an echo.

Front

What do we call the waves that carry sound through matter and empty space?

Back

Sound Waves

Front

What is the term for the distance between two consecutive peaks of a wave?

Back

Wavelength

Front

What is the term for the number of waves that pass a point in one second?

Back

Frequency

Front

What is the unit of measurement for frequency?

Back

Hertz (Hz)

Front

What is the effect called when sound waves bend around obstacles?

Back

Diffraction

Front

What is the term for the change in frequency of a wave in relation to an observer moving towards or away from the source?

Back

Doppler Effect