Science Kids: Sound

What initiates the production of sound?

• Slow movement

• No movement

• Mechanical movement

• Sudden movement

What is the term for the matter that carries sound?

• Waves

• Medium

• Particles

• Frequency

Which of the following is an example of a transverse wave?

• Water waves

• Seismic waves

• Light waves

• Sound waves

In which medium does sound travel the fastest?

• Vacuum

• Gas

• Liquid

• Solid

What determines the wavelength of a sound?

• All of the above

• The density of the sound source

• The speed of vibration of the sound source

• The location of the sound source

What is the study of sound waves and their travel called?

• Audiology

• Acoustics

• Ontology

• Astronomy

What is the smallest bone in the human body, located in the ear?

• Stirrup

• Sternum

• Femur

• Mandible

What are the hair-like structures in the ear that help convert sound vibrations into nerve impulses?

• Cilia

• Mitochondria

• Cochlea

• None of the above

Which animals are known to use echolocation?

• Dogs

• Dolphins

• Bats

• Cats

What technology is inspired by the echolocation used by animals?

• Cell phones

• Sonar

• Plasma televisions

• Microchips