Sound Assessment

Which organ of the body receives sound?

• Mouth

• Ears

• Eyes

• Nose

What is Volume?

• An object that does not make any sound.

• Sound waves that travel through the air.

• How loud or quiet a sound is.

What is pitch?

• How loud or quiet a sound is.

• A measure of how high or low a sound is.

• Sound waves that can travel through the air.

Sound​ (a)   are created when objects​ (b)   . The waves travel through the​ (c)   and the reach the​ ear. As the distance from the sound source increases, the sound becomes​ (d)   .

• waves
• vibrate
• air
• fainter
• louder

Match the description to the parts of the ear.

• Vibrates to transmit sound

• Outer ear

• Collects sound waves

• ear canal

• Passage for sound to reach the eardrum

• Eardrum

True or false? Sound cannot be heard underwater.

• True

• False

Label the parts of the ear. One has already been done for you.

a

b

c

Ear canal

Outer ear

Cochlea

Match the label to the vibration.

• no pitch

• 
• low pitch

• 
• high pitch

•