Sound and Vibrations Concepts

What is sound caused by?

• light

• vibrations

• shadows

• still objects

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When you pluck a guitar string, what happens?

• it disappears

• it stops moving

• it vibrates and make sound

• it melts

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Which of these objects can create sound by vibrating?

• a silent rock

• a ringing bell

• a lightbulb

• a glass of water

If you put your hand on a speaker while music is playing, what can you feel?

• the speaker moving or shaking

• nothing at all

• the speaker getting colder

• the speaker turning off

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NGSS.MS-PS4-1

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How can you make a drum create sound?

• by looking at it

• by putting water on it

• by hiding it under a blanket

• by hitting it to make it vibrate

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NGSS.MS-PS4-1

What happens to rice grains placed on a drum when you hit the drum?

• they change colors

• they disappear

• they jump or move because of vibrations

• they stay still

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When you speak, what part of your body vibrates to create sound?

• your liver

• your toes

• your fingers

• your vocal cords

What happens when you gently place your finger on your throat while humming?

• you feel vibrations

• you hear a bell ringing

• your finger turns blue

• your voice is cut off

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Why do we hear an echo when we shout in a big empty room?

• because the sound stops moving

• because the sound waves bounce off the walls

• because the air eats the sound and burps

• because the room makes new sounds

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If the speaker is playing loud music next to a bowl of water, what might happen to the water?

• it will vibrate or ripple

• it will change its state of matter

• it will appear brighter

• it will make loud noises

Tags

NGSS.MS-PS4-1

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