SOUND

Which is the loud sound? . . .

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Tags

NGSS.MS-PS4-1

Two girls whispering to her friend. the volume of her sound is . . .

• Loud

• Soft

• Mute

Tags

NGSS.MS-PS4-1

Sound can travel through ....

• Liquid

• Air

• Solid

• All of them (liquid,air,solid)

Sarah wants to play guitar. She plucks the guitar gently. what sound is produce?

• low

• high

• soft

• loud

What should you do to make loud sound of this musical instrument?

• pluck hardly

• pluck gently

• hit hardly

• hit gently

Ear has some parts to process the sound wave.

what part do you call to send the sound wave to the brain?

• pinna

• auditory nerve

• cochlea

• ear canal

Sound can travel in medium.

Why sound cant travel in vacuum?

• because there is no people there

• because no sound source there

• because no particle to travel sound

• all above them

There are two drums.

Drum A has tight skin, drum B has loosen skin.

Which drum produce high sound when you play it?

• the tight drum

• the loosen drum

• both of them

Which string should you pluck to make low sound? give the reason.

• string A because it vibrates faster

• String B because it vibrates slowly

• string A because it vibrates slowly

• string B because it vibrates faster

Dhani wants to test the best materials to muffle sound.

he wraps the alarm clock with these material and listen the sound.

here are the result

towel ---- soft sound

tissue----- very loud sound

plastic ------ loud sound

which material is the best muffle sound?

• towel

• tissue

• plastic

• all of them