Sounds

How is the sound of this animal?

• Quack

• Oink

When someone near from this sound, the sound is . . .

• soft

• loud

The sound of this alarm clock is . . .

• Soft

• Loud

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When someone far away from the barking dog, the sound is . . .

• soft

• loud

Tags

NGSS.MS-PS4-2

A whispering is a ................. sound.

• soft

• loud

Is it loud or soft sound?

• Loud

• Soft

Tags

NGSS.MS-PS4-1

If an object vibrates fast, It will make a sound with a high pitch.

• Yes

• No

• Not sure

• Not at all

Tags

NGSS.MS-PS4-1

What is the unit of frequency in sound waves?

• Hertz

• Decibel

• Newton

• Pascal

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

• Cochlea

• Eardrum

• Pinna

• Auditory Canal

What is the speed of sound in air at room temperature?

• 343 m/s

• 299,792 km/s

• 1500 m/s

• 1200 km/h