Sound Quiz

How is the loudness of sound measured?

• A) In watts

• B) In decibels

• C) In meters

What is sound?

• A) A form of light energy

• B) A form of electrical energy

• C) A form of mechanical energy that produces vibrations

How is sound produced?

• A) By heating an object

• B) By cooling an object

• C) By vibrating an object

What happens to sound waves in a vacuum?

• A) They travel faster

• B) They travel slower

• C) They cannot travel at all

Which of the following materials is the best conductor of sound?

• A) Metal

• B) Wood

• C) Glass

What is the term for the study of sound?

• A) Acoustics

• B) Optics

• C) Electrics

How does sound travel through a medium?

• A) Through particles vibrating back and forth

• B) Through particles moving in a straight line

• C) Through particles spinning around each other

Which medium transmits sound waves the fastest?

• A) Solid

• B) Liquid

• C) Gas

What is the unit of frequency of sound?

• A) Hertz (Hz)

• B) Decibel (dB)

• C) Meter (m)

Which instrument is used to measure the frequency of sound?

• A) Oscillator

• B) Spectrometer

• C) Tuning fork