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

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How does sound travel?

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

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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

What is vibration?

• the rate at which sound waves occur
• movement back and forth
• how high or low a sound is

Tags

NGSS.1-PS4-1

A longer string makes a _______ pitch than a short string.

• louder
• softer
• higher
• lower

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NGSS.4-PS4-1

An object that does not vibrate cannot produce

• sound
• light
• heat
• electricity

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Sound travels fastest through...

• gas
• liquid
• solids/metals
• space

Tags

NGSS.4-PS3-2

NGSS.4-PS4-1

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