Waves of Sound

how high or low a sound is

• frequency

• volume

• vibration

• pitch

A back and forth movement of matter

• volume

• vibration

• pitch

• frequency

Tags

NGSS.MS-PS4-1

How does sound travel?

• Sounds travels in waves
• sound travels slow
• sound travels fast
• sound doesn't travel

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is volume?

• How high or low a sounds is
• reflected sound that comes back and is repeated
• how loud or soft sound is
• movement back and forth

Sound travels fastest through...

• gas
• liquid
• solids/metals
• space

Tags

NGSS.MS-PS4-2

Sounds travels slowest through...

• space
• solids/metals
• gas
• liquids

Tags

NGSS.MS-PS4-2

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

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

Tags

NGSS.MS-PS4-1

A place where no sound exists is...

• in the air

• under water

• space

• all of the above

__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo