Sound Science

The energy you can hear is ............

• Sound

• Light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

............... is to move back and forth very quickly

• percussion

• vibrate

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

Drum is a ............

• string instrument

• percussion instrument

We use sound to ........

• communicate

• move

Tags

NGSS.MS-LS1-8

The long bars of xylophone make ………….. than the short bars.

• higher pitch sounds

• lower pitch sounds

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.MS-PS4-1

NGSS.MS-PS4-2

Which of the following materials is the best conductor of sound?

• Air

• Water

• Steel

• Wood

Tags

NGSS.MS-PS4-2

What is the unit of frequency in sound waves?

• Hertz

• Decibel

• Newton

• Pascal

Tags

NGSS.MS-PS4-1

Which part of the human ear is responsible for converting sound vibrations into electrical signals?

• Eardrum

• Cochlea

• Auditory Canal

• Ossicles

What phenomenon explains the change in frequency of a sound wave as its source moves relative to an observer?

• Doppler Effect

• Resonance

• Echo

• Diffraction