________ is the number of waves that move past a point in a certain amount of time

• frequency

• trough

• crest

• wavelength

The ________ of a sound is how high or low the sound is.

• volume

• pitch

• noise

• freqeuncy

_________ is a form of energy produced by vibrating objects

• light

• sound

• energy

• friction

Tags

NGSS.MS-PS4-1

__________ is the loudness or softness of a sound

• noise

• pitch

• volume

• sound

Tags

NGSS.MS-PS4-1

Sound travels the fastest through which of these materials?

• empty space

• air

• water

• solid

Tags

NGSS.MS-PS4-2

What must happen in order for sound waves to form?

• A electric current must flow

• A certain frequency must be reached

• The volume must be loud

• Matter must vibrate

What happens to a sound if the frequency of a vibration increases?

• the pitch increases

• the volume decreases

• the sound echos

• the sound gets louder

What happens to a sound if the amplitude of a wave increases?

• the pitch decreases

• the volume increases

• the sound echos

• the sound gets lower

Tags

NGSS.MS-PS4-1

Why do the thin strings on a guitar produce a higher pitch than the thick strings?

• The vibration of the thin string is weaker than the thick string

• The vibration of the thin string is stronger than the thick string

• The thin string vibrates faster than the thick string

• The thin strong vibrates slower than the thick string

Which of the following properties of sound is determined by the strength of the vibrations creating the sound?

(Hint: think about the boomwhackers)

• speed

• pitch

• volume

• none of the above

Tags

NGSS.MS-PS4-1