Sound

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 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

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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

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NGSS.MS-PS4-2

Your __________ vibrate when you talk

• stomach
• lips
• ears
• vocal cords

__________ means to move back and forth quickly.

• Pitch
• Amplitude
• Vibration
• Echo

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Sound is a form of energy produced by ______________.

• vibrations

• distances

• prisms

• Miss Robinson

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

_________ is a form of energy that we can hear and travels through the air.

• sound

• volume

• energy

• wave

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

___________ is made when something vibrates

• light
• sound
• drum
• pounding

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NGSS.MS-PS4-1

Sound travels through the air as waves.

• True
• False

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low
• low, high
• medium, high
• high, medium