Sound Waves

Front

What is a sound wave?

Back

A sound wave is a type of mechanical wave that travels through a medium (like air, water, or solids) and is created by vibrating objects.

Front

What determines the pitch of a sound?

Back

The pitch of a sound is determined by its frequency; higher frequencies result in higher pitches.

Front

What is frequency?

Back

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

Front

What is amplitude?

Back

Amplitude is the height of a wave, which determines the loudness of the sound; higher amplitude means louder sound.

Front

What is an echo?

Back

An echo is the reflection of sound waves off a hard surface, causing the sound to bounce back.

Front

What is the Doppler Effect?

Back

The Doppler Effect is the change in frequency of a wave in relation to an observer moving relative to the wave source.

Front

What unit is used to measure sound volume?

Back

The unit used to measure sound volume is the decibel (dB).

Front

What is the relationship between amplitude and loudness?

Back

Loudness is directly related to amplitude; greater amplitude results in a louder sound.

Front

What is a medium in the context of sound waves?

Back

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

Front

What happens to sound waves when they travel through different mediums?

Back

Sound waves can change speed and direction when they travel through different mediums, a phenomenon known as refraction.