7th grade - Sound

Sound causes air particles to vibrate.

• False.

• True.

The bigger the vibrations of the air particles the quieter the sound.

• False.

• True.

Sound waves can move through air, water and a vacuum.

• False.

• True.

When there is no sound the particles stop moving.

• False.

• True.

A high pitched sound is always loud.

• False.

• True.

Brigitte plays a musical instrument called a saxophone. Her teacher asks her to explain the sound the saxophone makes.

Sound is a type of

• energy.

• vibrate.

• particle.

• force.

Sound is made when the particles in the air

• energy.

• vibrate.

• expand.

• contract.