How does sound travel or reach our ears?

• Wind

• Air

• Vibrations

• Water

Tags

NGSS.1-PS4-1

Which of the following sounds is the loudest?

• A baby crying

• A bus driving

• An ant carrying food

• A plane taking off

Which of the following sounds is the quietest?

• A clock ticking

• A door banging

• Playing the drums

• A phone ringing

How do we measure sound?

• Decimals

• Decibel

• Decipel

• Mg

Name a piece of equipment used to measure sound?

• A phone

• A sound level meter

• A decibel meter

• Both A and C

Can sound travel through different materials?

• Yes, every material.

• No, none.

• Just some materials including air and water

• Only air

Tags

NGSS.MS-PS4-2

Name one piece of equipmwnt we can use to make sound louder.

• A microphone

• A speaker

• Ear plugs

• Both A & B

When is a sound louder?

• When the sound wave is smaller

• When the sound wave is bigger

• When there is no sound wave

• Both A & C

Tags

NGSS.MS-PS4-1

Name the instrument in the picture above.

• Guitar

• Harp

• Violin

• Banjo

Name the above instrument.

• Recorder

• Dizi

• Shakuhachi

• Didjeridu