Quiz on Sound

How is sound made?

• By objects being still

• By vibrations moving through a medium

• By light traveling from one place to another

• By silence filling the air

Through which materials can sound travel?

• Only through air

• Only through water

• Through air, water, and solids

• Only through solid objects

What is pitch?

• The distance a sound travels

• The loudness of a sound

• How high or low a sound is

• The speed of sound waves

Why might sound be different when you shout across an empty space versus a small room?

• Sound waves get absorbed in empty spaces

• Sound waves travel faster in small rooms

• Sound waves bounce (echo) off walls in smaller spaces

• Sound waves stop when there’s too much space

What is sound?

• Light waves that travel through space

• Vibrations that travel through air, water, or solid materials

• Heat waves that move through the air

• Electrical signals in the brain

How do humans hear sounds?

• Sound waves are absorbed by the skin

• Sound waves are seen by the eyes

• Sound waves enter the ear and are processed by the brain

• Sound waves are tasted by the tongue