Weekly Assessment 8 Sound

Front

What type of energy is sound?

Back

Mechanical energy.

Front

How do we use sound in our daily lives?

Back

For communication with classmates.

Front

What happens to the pitch of a guitar when the strings are tightened?

Back

The pitch becomes higher.

Front

How does sound travel?

Back

Through solids, liquids, and gases.

Front

Which material allows sound to travel the slowest?

Back

Air.

Front

What is a sound wave?

Back

A vibration that travels through a medium (solid, liquid, or gas).

Front

What is the medium in sound travel?

Back

The substance through which sound waves travel.

Front

What happens to sound in a vacuum?

Back

Sound cannot travel in a vacuum because there are no particles to carry the sound waves.

Front

What is pitch?

Back

The highness or lowness of a sound, determined by the frequency of the sound wave.

Front

What is volume in terms of sound?

Back

The loudness or softness of a sound.