4th Grade UoI Sound Unit Quiz

How is sound produced?

• When the air does not vibrate.

• When the air vibrates.

• Magic.

• When someone hears it.

What part of the ear delivers the sound to our brain?

• Outer ear

• Middle ear

• Inner ear

True or false: Loud music can hurt your hearing.

• True

• False

What has the same meaning as amplitude?

• Vibration

• Pitch

• Sound

• Volume

A larger amplitude means...

• a lower pitch sound.

• a quieter sound.

• a higher pitch sound.

• a louder sound.

What is an example of a sound with a high pitch?

• A loud noise

• A truck

• A bird

• A bear

What is the definition of pitch?

• The vibrations causing the highness or lowness of a sound.

• When a dog barks.

• If a sound is loud or quiet.

• When a sound vibrates.

The red line is...

• a high pitch sound.

• a low pitch sound.

In your string telephone, why could you hear the other person talking?

• Because the person was yelling.

• Magic.

• The string is a solid and allows the sounds to vibrate and travel.

• The cup captures the sound waves.

What unit do we use to measure sound?

• Meters (m)

• Decibel (dB)

• Broadband (bB)

• Kilograms (kg)