What makes sound energy?

• A vibrating object

• A still object

• A silent room

• A moving car

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NGSS.4-PS3-2

What kind of sound does a small tuning fork make?

• No sound

• Medium frequency sound

• High frequency sound

• Low frequency sound

What happens to rice when placed on a vibrating speaker?

• It stays still

• It melts

• It jumps around

• It changes color

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NGSS.3-PS2-1

NGSS.4-PS3-2

NGSS.4-PS4-1

How does sound travel through air?

• By moving in circles

• By pushing air molecules

• By staying still

• By changing color

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NGSS.4-PS3-2

NGSS.4-PS4-1

What is the speed of sound in air?

• 100 meters per second

• 200 meters per second

• 330 meters per second

• 500 meters per second

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NGSS.4-PS4-1