2nd Grade Sound Test

Front

What do vibrating objects produce?

Back

Sound.

Front

What happens to sound if an object vibrates faster or slower?

Back

It changes.

Front

Where do vibrations move through the bones to be understood by the brain?

Back

Inner ear.

Front

What vibrates when sound waves hit it and causes the tiny bones in the middle ear to vibrate?

Back

Eardrum.

Front

What does pitch depend on?

Back

The length of the air column.

Front

What is the definition of sound?

Back

Sound is a type of energy made by vibrations.

Front

What is the role of the eardrum in hearing?

Back

The eardrum vibrates in response to sound waves.

Front

How does the speed of vibration affect the pitch of a sound?

Back

Faster vibrations produce higher pitches, while slower vibrations produce lower pitches.

Front

What is the function of the inner ear?

Back

The inner ear converts sound vibrations into signals that the brain can understand.

Front

What are sound waves?

Back

Sound waves are vibrations that travel through air, water, or solid materials.