Sound

How is sound produced?

• By the vibration of particles
• By the transfer of particles 

Sound waves CANNOT travel through which of these:

• liquid

• gas

• Outer space

What is a pitch (as it relates to sound)?

• the intensity of a vibration

• the amplitude of a sound wave

• volume of sound

• highness or lowness of a sound

True or False: Sound travels better through solids than through liquids

• True

• False

A note is played on a guitar.  Next, a lower note is played on the guitar.  Which of these statements describes the lower note?

• Both notes vibrated at the same speed

• The second note vibrated slower

• The second note vibrates at a higher frequency

• The second note vibrated faster

What is sound?

• A type of energy made by vibrations that moves through a medium such as a gas, liquid or solid

• A wave of electrical and magnetic energy moving together through space

• A type of electromagnetic wave that is visible to the eye

• A very low frequency electromagnetic wave that is used for the transmission of radio and television signals

What unit is the intensity of sound measured in?

• decibels (dB)
• Hertz (Hz)
• meters per second (m/s)
• meters

IT IS THE BACK AND FORTH OR UP AND DOWN MOVEMENTS OF THINGS.

• SOUND

• VIBRATION

• VOLUME

IT REFERS TO THE LOUDNESS OF THE SOUND

• SOUND

• VIBRATION

• VOLUME

Which pair of terms best describes volume of sound?

• high and low

• loud and soft

• loud and high

• soft and low