Unit 06: Sound Practice

Front

How does sound travel through air?

Back

By vibrating air molecules.

Front

What is a form of energy that travels through the air?

Back

Sound

Front

Which of the following is an example of sound being used in everyday life?

Back

A doorbell ringing.

Front

Which of the following is NOT a use of sound waves?

Back

X-ray imaging.

Front

What happens to the pitch of a sound when the vibration slows down?

Back

It will get lower.

Front

What is the term for the highness or lowness of a sound?

Back

Pitch.

Front

What do we call the distance between two consecutive peaks of a wave?

Back

Wavelength.

Front

What is the unit of measurement for sound intensity?

Back

Decibel (dB).

Front

What is the phenomenon called when sound waves bounce off a surface?

Back

Reflection.

Front

What is the term for the change in frequency of a wave in relation to an observer moving towards or away from the source?

Back

Doppler Effect.