Sound Test

Which would have a lower pitch?

• a baby crying

• a bird's chirp

• thunder

Which would cause a sound to get louder?

• using more force to strike the object harder

• using less force to strike the object softer

• increasing the mass of the object

Angel plays the guitar. She increases the length of the guitar strings. How will it change the nature of sound produced by the instrument?

• The pitch becomes low.

• The pitch becomes high.

• Volume goes down.

• Volume goes up.

Vibrations are unable to travel through what?

• the air

• liquid water

• empty space

Which would have the highest pitch?

• short string

• thick string

• loose string

• cold string

Which sound would most likely have the highest pitch?

• a lion's roar

• a dog's growl

• a man yelling

• a bird singing

Ann starts practicing the drums by striking them softly. After a while she begins to strike them harder. What will happen to the strength of vibration and the volume of sound produced?

• both decrease

• both increase

• the vibration increases and volume stays the same

The image shows four children around a radio that is playing a song. Who would hear the song at the lowest volume?

• 1

• 2

• 3

• 4

Mr. Samuels pulled back a string and released it on his banjo. It made a sound. What caused the sound to be produced from his banjo?

• the vibration of the banjo string

• the softness of the banjo string

• the shape of the banjo string

• the thickness of the banjo string

Tina makes musical sounds by plucking a rubber band, as shown in the image. What would happen to the pitch of the sound if she uses a thinner rubber band?

• it gets lower

• it gets higher

• remains the same.

• no sound is produced