Sound Energy

Why do you hear a sound when someone hits a drum?

• the drum dances

• the drum sings

• the drum shouts

• the drum vibrates

Tags

NGSS.MS-PS4-1

Which sound level would be best for a fire alarm?

• very soft

• soft

• loud

• medium

If you were playing music on a harp, how would you make the sound louder?

• pluck the harp harder

• put the harp on the floor

• hold the strings tightly while playing

• put the harp underwater

Tags

NGSS.MS-PS4-1

When the stick hits the triangle what happens?

• nothing happens

• the stick vibrates and a sound is made

• the triangle vibrates and a sound is made

• a quiet sound is made and then it gets louder

Tags

NGSS.MS-PS4-1

When is a whisper useful at school?

• at recess

• in the library

• in PE class

• in music class

What material should Abby use to make a device that makes a loud sound?

• wood

• feather

• clay

• pillow

Tags

NGSS.MS-PS4-2

When the radio is turned on in the car why do you hear sounds?

• the car vibrates

• the car makes matter vibrate and you can hear the vibrations

• light passes through the window

• the car is moving fast

Tags

NGSS.MS-PS4-2

Police car, alarm, and bells are all sounds used for

• safety.

• communication.

• entertainment.

Talking to someone, voice to text, and a baby cry are all types of

• safety.

• communication.

• entertainment.

The radio, tv, and piano are all used for

• safety.

• communication.

• entertainment.