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
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

-__-

chapter 17 vocab

QuestionAnswer
Density The mass per cubic meter of a substance
Wave Rhythmic movement that carries energy through matter or space: can be described by its crest through wavelength and wave height
Tranverse wave Mechanical wave that causes particles in matter to move at right angles to the direction the wave travels
Compressional wave Mechanical wave that causes particles in matter to move back and forth along the direction the wave travels
Wavelength distance between one point on a wave and the nearest pont moving with the same speed and direction
Frequency Number of wavelengths that pass a given point in one second measured in hertz (Hz)
Law of Reflection states that when a wave is reflected the angle of incidence is equal to the angle of reflection
Refraction change in direction of a wave when it changes speed as it travels from one material into another
Defraction bending of waves around an object
Perception a recognition, sense, or understanding of something
Intensity amount of energy a wave carries past a certain area each second
Reverberation Repeated echoes of sound waves
Spectrum A range of values or properties
Electromagnetic waves waves that can travel through matter or empty space, include radio waves, infrared waves, visable light waves, ultroviolet waves, X rays, and gamma waves
Infrared waves electromagnetic waves with wavelengths between about one thousandths of a meter and about 700 billionths of a meter
Ultroviolet waves electromagnetic waves with wavelengths between about 400 billionths and 10 billionths of a meter
Pitch Human perception of the frequency of sound
Created by: jessicalikespeas
Popular Earth 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