Sound and Vibration Quiz

What makes an object produce sound?

• Objects make sound when they vibrate.

• Objects make sound when they are still.

• Objects make sound when they are cold.

• Objects make sound when they are wet.

How can you change how an object vibrates?

• By changing its color.

• By changing its size or length.

• By changing its smell.

• By changing its taste.

What happens to the sound when you change the size of an object?

• The longer the object, the lower the pitch.

• The longer the object, the higher the pitch.

• The shorter the object, the lower the pitch.

• The size does not affect the pitch.

How does the ear detect sound?

• Sound waves enter the ear canal and strike the eardrum.

• Sound waves enter through the nose.

• Sound waves are seen by the eyes.

• Sound waves are tasted by the tongue.

How is sound produced in the vocal cords?

• Air moves across the vocal cords causing them to vibrate.

• Air moves across the eyes causing them to vibrate.

• Air moves across the nose causing it to vibrate.

• Air moves across the hands causing them to vibrate.

How can you change the sound produced by the vocal cords?

• By tightening or loosening the vocal cords.

• By changing the color of the vocal cords.

• By making the vocal cords wet.

• By making the vocal cords cold.

What is a vibration?

• A rapid back and forth movement.

• A slow side to side movement.

• A still position.

• A circular motion.

What are sound waves?

• Vibrations that travel through the air.

• Colors that can be seen.

• Flavors that can be tasted.

• Textures that can be felt.

What is the role of the eardrum in hearing?

• It vibrates when sound waves hit it.

• It changes color when sound waves hit it.

• It becomes cold when sound waves hit it.

• It becomes wet when sound waves hit it.

What happens when you tighten the vocal cords?

• The pitch of the sound becomes higher.

• The pitch of the sound becomes lower.

• The sound becomes quieter.

• The sound becomes invisible.