Compression waves

_____ is a form of mechanical energy produced and transmitted by vibrating matter.

• light

• sound

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How do particles move in a compression wave?

• They do not move.

• They move back and forth like a slinky.

• They go in circles.

What are the particles like in compressions?

• They are spread out.

• There are no particles in compressions.

• They are pressed together.

What are particles like in rarefactions?

• They are spread out.

• There are no particles in rarefactions.

• They are pressed together.

Where is the compression in this picture?

• Y

• Z

• X

Tags

NGSS.MS-PS4-1

Where is the rarefaction in this picture?

• Y

• Z

• X

Where is the wavelength in this picture?

• Y

• Z

• X

Tags

NGSS.MS-PS4-1

What produces sound?

• water molecules

• the vibrations of air molecules

• light converted to energy

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

In sound waves, energy moves through the _________ of particles through which the sound travels.

• freezing

• vibration

• melting

Sound moves fastest through which state of matter?

• solid

• liquid

• gas

• plasma

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2