Sounds

sound travels better through … than air

• water

• solid objects

• outer space

Tags

NGSS.MS-PS4-2

The boom of thunder is a … sound.

• low-pitched

• high-pitch

• loud-pitch

Which is not a way to produced sound?

• shaking a bag of potato chips

• hitting a box

• looking at the mirror

Sound is used for some purposes, except ...

• to communicate

• to write

• to entertain

What is sound?

• A type of energy by vibrations

• A type of energy by movement

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Sound is made when things . . .

• be quite

• move

Tags

NGSS.MS-PS4-1

If we see from the picture. Does it make a sound or not?

• Yes, it does.

• No, it does not.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is the speed of sound in air at room temperature?

• 343 m/s

• 300 m/s

• 1500 m/s

• 1200 m/s

Tags

NGSS.HS-PS4-1

Which of the following materials will sound travel through the fastest?

• Air

• Water

• Steel

• Vacuum

Tags

NGSS.MS-PS4-2

What is the unit of frequency in sound waves?

• Hertz

• Decibel

• Newton

• Pascal