Sound Study Guide

Created by Cameron200352954 

Upgrade to
remove ads

22 terms · Sound Study Guide

amplitude

the energy in a sound wave.

frequency

the number of times a sound source vibrates in one second.

pitch

the highness or lowness of a sound as determined by its frequency.

sound wave

an area of bunched up and spread out air particles that moves outward in all directions from a vibrating object.

vibration

the back and forth motion of an object.

What causes sound?

Sound is produced by back and forth motions.

Sound depends on air to do what?

carry the sound waves

A tuning fork produces

vibrations when it is struck

Our vocal cords do what when we sing and talk

vibrate

What materials do sound travel through

gas, liquid and solids

Sound travels the fastest through what material

a solid

Sound travels the slowest through what material

a gas

The eardrum vibrates like what?

a drum

The middles ear has how many vibrating bones?

three

What are the vibrating bones of the middle ear?

anvil, hammer and stirrup

What else is in the inner ear that also vibrate?

vibrating fluid and fine hair cells

Sound waves travel through what on the body?

the skin, bone and nerve tissue

Why aren't all sounds the same?

Every sound wave has a wavelength, frequency and amplitude.

What tools help us hear?

amplifier,stethoscope, speakers

An amplifier does what?

gives the hearing aid more energy

stethoscope

an instrument that allows a doctor to hear heart and lung sounds

Speakers do what?

change sound into electrical energy

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

NEW! Voice Recording

Click the mic to start.

Create Set