Understanding Sound

What is the common factor among a piano, laughter, and a trumpet?

• They are all types of animals.

• They are all musical instruments.

• They all produce sound.

• They are all forms of art.

How is a vibration best described?

• A movement that occurs once a day.

• A rapid movement of something.

• A stationary object.

• A slow movement of an object.

What analogy is used to explain how sound waves travel?

• A car driving on a road.

• A bird flying in the sky.

• A stone thrown into water creating ripples.

• A leaf falling from a tree.

Through which mediums can sound waves travel?

• Through air, water, and solids.

• Only through air.

• Only through solids.

• Only through water.

What organ in the human body is responsible for perceiving sound?

• The nose.

• The eyes.

• The skin.

• The ear.