Sound Waves

Front

What is the unit used to measure the volume of a sound?

Back

Decibel

Front

Which sound has the highest amplitude?

Back

Thunder

Front

What is the Doppler Effect?

Back

A change in frequency due to the relative motion of a wave source and an observer.

Front

What happens to the pitch of a siren as an ambulance approaches you?

Back

It increases.

Front

What does the pitch of a sound depend on?

Back

Frequency.

Front

What is sound?

Back

Sound is a type of energy made by vibrations that travels through a medium (like air, water, or solids).

Front

What is amplitude in sound waves?

Back

Amplitude refers to the height of the wave, which determines the loudness of the sound.

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 a medium in the context of sound?

Back

A medium is a substance through which sound waves travel, such as air, water, or solids.

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.