Sound

Why can't we hear sound in space?

• can't take our helmet off to hear

• Space has no mass / no gas/ solids/ liquids

• because it's dark

• Don't know, I've never been to space

What happens when we hear an echo?

• We know there is danger

• there must be someone yelling back to us

• Sound is reflected off a surface and repeated back

• sounds waves are traveling really fast

Tags

NGSS.MS-PS4-2

What happens to our hearing if we listen to loud noises all the time?

• We appreciate music better

• we get a ringing in our ears

• we start to experience hearing loss

What do sound waves look like when they're low?

• They're long

• they're short

Sound is a vibration that moves in

• Waves

• Frequency

• Light waves

• Series

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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

• The ear drum

• The outer ear

• The pharynx

• The epiglottis

The red wave will be ___________________ than the blue wave

• lower in pitch

• higher in pitch

• louder in volume

• quieter in volume

Tags

NGSS.MS-PS4-1

Changing the amplitude of a wave will change the

• volume

• pitch

• speed of the sound

• frequency

Tags

NGSS.MS-PS4-1

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

• higher

• lower

• louder

• softer

Tags

NGSS.MS-PS4-1