Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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:
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

Ms. Smiley's Science

Light and Sound Ch 2

vibration the complete back-and-forth motion of an object
sound wave a longitudinal wave caused by vibrations
cochlea part of the inner ear that changes vibrations into electical signals sent to the brain
eardrum a membrane that is the entrance to the middle ear
pitch a measure of how high or low a sound seems to be
Doppler effect the observed change in frequency of a wave when the source or observer is moving
decibel the most common unit used to measure loudness
echo a reflected sound wave
interference the combination of two or more waves that results in a single wave
noise any sound that is a random mix of frequencies or pitches
Created by: mwalstro