SOL Science 5.2 Sound

An instrument that produces a vibration when its surface is struck.

• percussion

• woodwind

• vibration

• brass

Sound waves with frequencies below 20 Hz.

• pitch

• infrasound

• frequency

• vibration

Alternating areas of high and low pressure called compression waves.

• high frequency

• wavelength

• low frequency

• sound waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The section of an orchestra that plays instruments that produce sound when their strings vibrate.

• Brass

• Strings

• Pitch

• Woodwinds

The process of using reflected sound waves to find objects; used by animals such as bats.

• rarefaction

• pitch

• echolocation

• wavelength

Tags

NGSS.MS-PS4-2

The distance between two corresponding parts of a wave, such as two compressions or two rarefactions.

• wavelength

• pitch

• frequency

• rarefaction

A space where no particles of matter exist.

• Frequency

• Vibration

• Vacuum

• Wavelength

High pitch and short wavelength.

• sound waves

• low amplitude

• high amplitude

• high frequency

A back and forth motion or movement of an object.

• virbration

• rarefaction

• frequency

• compression

Tags

NGSS.MS-PS4-1

Low pitch and long wavelength.

• low frequency

• high frequency

• low amplitude

• high intensity