Sound SOL 5.2b

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travel through the air or another medium.

Front

What is vibration?

Back

Vibration is a rapid back-and-forth movement that produces sound.

Front

What is pitch?

Back

Pitch is how high or low a sound is, determined by the frequency of the sound wave.

Front

What is frequency?

Back

Frequency is the number of sound wave cycles that occur in one second, measured in Hertz (Hz).

Front

What is amplitude?

Back

Amplitude is the height of a sound wave, which determines the loudness of the sound.

Front

How does the length of a straw affect the pitch of the sound produced?

Back

A shorter straw produces a higher pitch sound, while a longer straw produces a lower pitch sound.

Front

What happens to sound when it travels through different materials?

Back

Sound travels at different speeds through different materials; it travels fastest in solids, slower in liquids, and slowest in gases.

Front

What is a sound wave?

Back

A sound wave is a wave of pressure that travels through a medium, created by vibrating objects.

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch, while lower frequency results in a lower pitch.

Front

What is an example of a high-pitched sound?

Back

A whistle or a bird chirping is an example of a high-pitched sound.