Sound Waves

Front

What are sound waves?

Back

Sound waves are vibrations that travel through the air (or other mediums) and can be heard when they reach a person's or animal's ear.

Front

How do sound waves travel?

Back

Sound waves travel outward in all directions from their source.

Front

What is wavelength in sound waves?

Back

Wavelength is the distance between two consecutive wave crests or troughs.

Front

What is amplitude in sound waves?

Back

Amplitude is the height of a wave from its midpoint to its crest or trough, which determines the volume of the sound.

Front

What happens to volume as amplitude increases?

Back

As the amplitude of a sound wave increases, its volume increases.

Front

What is frequency in sound waves?

Back

Frequency is the number of waves that pass a point in one second, measured in Hertz (Hz).

Front

What is the relationship between frequency and pitch?

Back

Higher frequency sound waves produce higher pitch sounds, while lower frequency sound waves produce lower pitch sounds.

Front

What is the difference between pitch and volume?

Back

Pitch refers to how high or low a sound is, while volume refers to how loud or soft a sound is.

Front

What is a sound wave's trough?

Back

A trough is the lowest point of a wave, opposite to the crest.

Front

What is a sound wave's crest?

Back

A crest is the highest point of a wave, opposite to the trough.