Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

BJU Physical Sci 18

BJU Physical Science Ch 18 6th edition

TermDefinition
acoustic amplification The process of making a sound louder.
acoustic spectrum The continuum of all possible sound waves.
echolocation The process that uses the time interval and direction of an echo to determine the position of an object.
fundamental tone The longest (lowest frequency) standing wave produced by a vibration of a structure.
harmonic The fundamental tone and its overtones.
infrasonic wave An electromagnetic wave that is just below (less energetic than) red visible light; used in astronomy, medical imaging, and wireless devices.
intensity A measure of the power contained in a wave; often refers to sound or electromagnetic waves.
loudness Human perception of the intensity of a sound wave.
overtone A shorter, faster vibration (higher pitch) in addition to the fundamental tone produced by a vibrating structure.
pitch How high or low an audible tone sounds to the human ear; related to the concept of wave frequency.
sonar A device for detecting submerged objects by using sounds; an acronym for sound navigation and ranging.
sonography Technology that uses ultrasound to create images of objects found inside other objects.
sound energy A type of mechanical wave energy that can be detected by the human ear.
timbre The distinctive sound of an instrument; also called quality.
ultrasonic wave An electromagnetic wave that is just beyond (more energetic than) violet visible light; used for medical treatment, dentistry, and killing bacteria.
Created by: marchscience
Popular Physical Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards