Bill Nye-Sound

Sound is just tiny____________ in the air.

• time

• string

• vibrations

• frequency

An Oscilloscope lets people see_______________.

• solids

• time

• vibrations

• waves

Sound travels ____________ through bricks and steel than it does through air.

• faster

• slower

An___________ is when sound waves hit something and bounce back.

• echo

• ear

• frequency

• resonance

Sound causes your eardrum to_________________.

• move

• bust

• echo

• vibrate

Your eardrum sends a message to your ___________ to tell you what you are hearing.

• heart

• brain

• eyes

• lungs

Are you enjoying the video lesson?

• Yes

• No

with sound, a faster wave results in a higher__________________.

• amplitude

• frequency

• measure

• wavelength

An______________ machine turns echoes into pictures

• MRI

• Scan

• Xray

• Ultrasound

When you strike a piano key, you make the piano______________ vibrate.

• string

• key

• seat

• back