5.5 Sound

Front

How do musical instruments produce sound?

Back

Through vibrations.

Front

What is the part of a sound wave that measures the height of the wave?

Back

Amplitude.

Front

What is the part of a sound wave that measures the distance between two peaks?

Back

Wavelength.

Front

What unit is used to measure the volume of sound?

Back

Decibels.

Front

What helps whales locate food in the ocean?

Back

Sound waves.

Front

What is sound?

Back

A type of energy made by vibrations.

Front

What is the speed of sound in air?

Back

Approximately 343 meters per second.

Front

What happens to sound as it travels through different materials?

Back

It can change speed and volume.

Front

What is an echo?

Back

A reflection of sound that arrives at the listener after a delay.

Front

What is pitch?

Back

The highness or lowness of a sound.