Sound is a vibration that moves in

• Waves

• Frequency

• Light waves

• Series

Have many waves are shown in the diagram?

• 1

• 1.5

• 2

• 2.5

The red wave will be ___________________ than the blue wave

• lower in pitch

• higher in pitch

• louder in volume

• quieter in volume

Changing the amplitude of a wave will change the

• volume

• pitch

• speed of the sound

• frequency

Shortening the guitar string by placing your finger on it will make the sound go

• higher

• lower

• louder

• softer

Which wave has the highest frequency?

• A

• B

• C

• D

Which of the following is a use of sound waves?

• Echolocation in bats

• Sonar in ships

• Ultrasound in a hospital

• All of the options listed

Sound will pass through which material the fastest?

• Space

• Air

• Water

• Metal

Is the following statement valid?

"In space, no one can hear you scream"

• Yes

• No

The part of the body that is responsible for transmitting sound is....

• The ear drum

• The outer ear

• The pharynx

• The epiglottis