Sound Waves Quiz

What is the cause of any sound wave?

• Light

• Vibration

• Heat

• Electricity

Sound waves are which type of wave?

• Electromagnetic

• Mechanical

• Longitudinal

• Transverse

Sound waves require a medium to travel. Which of the following is NOT a medium for sound?

• Air

• Water

• Space

• Solids

In which medium does sound travel the fastest?

• Gases

• Liquids

• Solids

• Space

What happens to sound waves in space?

• They travel faster

• They cannot travel

• They reflect

• They diffract

What happens when sound waves hit a hard surface?

• They are absorbed

• They are transmitted

• They are reflected

• They are diffracted

What happens when sound waves hit a soft, porous material?

• They are reflected

• They are absorbed

• They are transmitted

• They are diffracted

Which material is a good absorber of sound?

• Concrete

• Glass

• Foam

• Metal

What is the term for sound waves bending around obstacles?

• Reflection

• Transmission

• Absorption

• Diffraction

Why do theaters use soft, porous materials on walls?

• To reflect sound

• To absorb sound

• To transmit sound

• To diffract sound