When a guitar string is plucked, sound is produced by...

• vibration

• frequency

• waves

• amplitude

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The greater the force, the _______ the sound.

• softer

• louder

Tags

NGSS.MS-PS4-1

True or False? Waves can move in different directions.

• True

• False

Tags

NGSS.MS-PS4-2

True or False? Waves can move objects.

• True

• False

Waves with a greater ________ have more energy.

• wavelength

• amplitude

• speed

• frequency

Tags

NGSS.MS-PS4-1

When someone strikes a drum with a mallet, it makes a sound. Why does the drum make a sound?

• the person's knee moves

• the drum head is round

• the top of the drum vibrates

• the mallet is made of wood

Tags

NGSS.MS-PS4-1

The top of the wave is called the...

• trough

• crest

• wavelength

• amplitude

Tags

NGSS.MS-PS4-1

The bottom of the wave is called the...

• trough

• crest

• wavelength

• amplitude

A whistle produces a sound because blowing air inside the whistle causes...

• the whistle material to shake

• the air inside the whistle to vibrate

• the air to be absorbed inside the whistle

• the air in the whistle to expand

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Which is produced by vibrations?

• sound waves

• friction

• interference

• ultrasonic waves

Tags

NGSS.MS-PS4-1