Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Sound Definitions

QuestionAnswer
Echo A reflected soundwave
Elasticity Ability to bounce back after being disturbed
Density How much matter is in a space
Loudness the perception of the energy of the sound
Intensity The amount of energy a soundwave carries per seccond through a unit of space
Decibel Unit to measure loudness
Pitch the frequency of a note
Ultrasound sounds higher than what humans can hear
infrasound sounds lower that what humans can hear
Larynx A human's voice box
Doppler effect the change in frequency as a wave moves closer to the observer
What causes the doppler effect? When a sound source moves
What causes sonic boom? when a highspeen object breaks the sound barrier and travels faster than the speed od sound
Fundamental Tone The lowest natural frequency of an object
Overtone The objects higher natural frequency
Acoustics How sound waves interact with each other and the environment
Reverberation when echos are still heard after the source of the sound is gone
Ear canal a canal from your outer ear to the eardrum
Eardrum Small tightly stretched membrane that vibrates when sound passes through it
Cochlea a fluid filled cavity shaped like a snail shell
Echolation the use of reflected sounds to discover objects
Sonar Sound navigation and ranging
Sonogram A Picture of reflected sound waves
Created by: Scienceiscool