Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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 Waves

Science Vocabulary Terms

Vibration A back-and-fourth motion.
Sound Wave A vibration that spreads away from a vibrating object.
Compression The part of a sound wave where the molecules are crowded together.
Rarefaction The part of a sound wave where molecules are spread apart.
Hertz A unit for measuring frequency.
Decibel A unit that measures loudness.
Reflection The bouncing of a sound wave off of a surface.
Absorption The disappearance of a sound wave into a surface.
Echo A reflected sound wave.
Resonance In an instrument or object, a unique blend of fundamental frequency and its overtones. When an external force vibrates at the same frequency, a build up of that resonance can occur.
Matter Anything that has mass and takes up space.
Pitch How high or low a sound is.
Frequency The number of times an object vibrates per second.
Echolocation Finding an object using reflected sound.
Doppler Effect The change in frequency (and pitch) as a source of sound moves toward or away from you.
Quality The difference you hear between two sounds of the same loudness and pitch.
Overtones One of a series of pitches that blend to give a sound its quality.
Volume The loudness or softness of a sound.
Created by: legarwood
Popular Physics sets




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:
restart all cards