SOUND QUIZ

Can sound travel through a vacuum?

• YESSSSSSSSSSS

• MAYBE?

• WHAT'S A VACUUM?

• no

Faster vibrations give....?

• Sounds of the cat

• Sounds of faster speed

• Sounds of higher pitch

• Louder sounds

What is the name of this instrument?

• Balakalai

• Bakailia

• Balakalaiaka

• Balalaika

• Broom Guitar :)

What is the unit of frequency?

• dB

• hertz

• dBA

• cm

What is the different between these two traces of sounds?

• Low-pitched sound vs High-pitched sound

• High-pitched sound vs Low-pitched sound

• Loud sound vs Quiet sound

• Quiet sound vs Loud sound

What can we use to display traces representing sound waves?

• microcillopes

• osciloscope

• telescopes

• oscilloscope

• microloscope

What is this?

• A snail

• Ear drum

• Ear canal

• Nerve

• Cochlea

When things vibrate, the greater distance the object moves from its rest position, ........................................

• the higher the pitch of the sound will be

• the greater the frequency will be

• the louder the sound will be

• the higher a bird will fly

What is a way that a bat can tell how far it is from the wall?

• Ask its friends

• Use a ruler

• Listen for reflected ultrasound waves

• Fly until it get hits by the wall

When a singer sings with a greater amplitude, ...........

• they are singing with a higher pitch

• they are more handsome

• they are singing with a higher frequency

• they are singing louder