Sound

What is Pitch?

• How loud or soft a sound is
• muscle that holds vocal cords
• movement back and forth
• how high or low a sound is

Tags

NGSS.1-PS4-1

How does sound travel?

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

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

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

• space

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

Tags

NGSS.4-PS4-1

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

The more_______ a sound has, the greater its _________ is. 

• pitch, volume
• energy, sound
• frequency, vibration
• energy, volume

___________ is made when something vibrates

• light
• sound
• drum
• pounding

Tags

NGSS.MS-PS4-1

Sound travels through the air as waves.

• True
• False

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2