Sound and Electricity Quiz

Which of the following can increase the volume of sound?

• Increasing the speed of the sound wave

• Decreasing the frequency

• Increasing the energy of the vibration

• Decreasing the vibration

What happens when you increase the frequency of a sound wave?

• The pitch becomes lower

• The pitch becomes higher

• The volume increases

• The sound becomes quieter

How can you decrease the volume of a sound?

• Decrease the frequency

• Decrease the energy of the vibration

• Increase the vibration

• Increase the pitch

What is a common way to change the pitch of a sound?

• Change the medium the sound travels through

• Change the volume

• Change the frequency of vibration

• Decrease the distance from the source

What happens when the vibration speed of an object increases?

• The sound becomes quieter

• The pitch becomes higher

• The sound becomes louder

• The pitch becomes lower

What determines the pitch of a sound?

• The amplitude of the wave

• The frequency of the wave

• The speed of sound in air

• The temperature of the environment

How can you make the sound of a musical instrument louder?

• Decrease the vibration speed

• Increase the vibration amplitude

• Decrease the air pressure

• Increase the frequency

Which of the following can affect the pitch of sound?

• The size of the sound-producing object

• The color of the object

• The color of the surroundings

• The shape of the room

Which of the following changes the pitch of a guitar string?

• The color of the string

• The thickness of the string

• The temperature of the room

• The length of the string

What will happen to the pitch of a sound if the frequency is decreased?

• The sound will become higher in pitch

• The sound will become lower in pitch

• The volume will increase

• The sound will become louder