Sound Review

What does a vibrating object produce?

• Sound

• Light

• Movement

• Energy

What affects the pitch of a stringed instrument?

• The thickness of the string, tension on the string, length of the string

• The shape of the instrument.

• The shape of the hole.

• How the strings are plucked.

What happens when a rubber band on a cup is plucked?

• The cup changes shape.

• The rubber band always breaks.

• The cup will vibrate back and forth.

• The rubber band will vibrate back and forth.

A ruler placed off the edge of a desk is plucked. How can you give it a higher pitch?

• Move more of the ruler off the desk.

• Move more of the ruler on the desk.

• Turn the ruler sideways.

• Pluck the ruler harder

The farther away you are from the source of sound the softer the volume and the less clear the sound is.

• True

• False

What is the loudness of softness of a sound?

• volume

• pitch

• vibrations

• energy

What do vibrating objects produce?

• sound

• light

• energy

• loud noise

What do you call how high or low a sound is?

• Volume

• Pitch

• Vibrations

• Sound

What kind of force do louder sounds need?

• Harder and stronger

• Vibrating forceful

• Soft and rhythmic

• Rough and mean

How can you make a whistle sound softer?

• Cover the hole

• Blow easier and softer

• Use your tongue to blow

• Blow with force