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

7th grade 3.1

QuestionAnswer
All waves begin with a source______. energy
a ______ is a disturbance that transfers energy from one place to another. wave
matter ______ transferred as a wave moves. is not
when a flag waves int the wind, the flag ripples back and forth as the energy _________. travels
a ______ wave travels only through matter. mechanical
a _______ wave can travel through empty space or through matter. electromagnetic
there are ________ types of wave motion. three
a ________ wave is a wave in which the disturbance is perpendicular to the direction the wave travels. transverse
a _______ wave is a wave that makes the particles of a medium move back and forth parallel tot the direction the wave travels. longitudinal
two common waves in nature are water waves and ________ waves. seismic
in water wave particles move in ________ indicating that these waves are a combination of transverse and longitudinal waves. circles
_______ waves occur during an earthquake. seismic
the ________ of a wave is the distance from one point, such as the crest, to the corresponding point on the next. wave length
the _________ of a wave is the number of wavelengths that pass a point each second. frequency
frequency is measured in_______ (Hz) ; the longer the wavelength, the lower the frequency. Hertz
wave speed depends on the type of material, or ________, a wave travels through. medium
the maximum distance a wave varies from its rest position is the ________ of the wave; the more a(n) mechanical wave has, the larger the wave's amplitude will be amplitude
when you knock on one side of the door, the sound travels ________ sound waves through the door longitudinal
these waves travel through the ______ that makes up the door to the air on the other side. matter
the particles that make up the door _______ some of the sound energy. transfer
some of the energy of your knock bounces, or ________, back into the room reflects
waves that bounce off a surface follow the law of _______. reflection
_______ is the change in direction as it changes speed. refraction
Created by: gatesmak6458
Popular 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