How is Sound Made?

How are all sounds the same?

• They all sound the same.

• They are all equally loud.

• They are all caused by vibrations.

• They are all made by musical instruments.

Which instrument makes sound with vibrating strings?

• Flute

• Guitar

• Recorder

• Trumpet

A lion’s roar is _________________ a kitten’s purr.

• Quieter than

• Higher than

• Louder than

• The same as

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NGSS.MS-PS4-2

Sound can make __________________ start to vibrate.

• Only air

• All objects

• No objects

• Some objects

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NGSS.4-PS4-1

Which of these sounds is the highest?

• A lion’s roar

• A flute

• A trumpet

• A dog’s bark

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NGSS.MS-PS4-1

A boy takes a walk through a city. A car honks right next to him. He is startled. He walks past a park. He passes a woman playing a flute. The boy hums softly to himself as he passes her. Then it starts raining. He hears the rain splashing on the ground. He decides it is time to go home. MARK ALL OF THE SOUNDS THE BOY HEARD.

• Car horn honking

• Flute playing

• Lion roaring

• Rain splashing

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What is the loudest sound the boy heard?

• Car honk

• Flute

• Humming

• Rain splashing

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NGSS.MS-PS4-1

What part of the boy’s body vibrates when he hums?

• Lips

• Fingers

• Nose

• Elbow