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

c short anwser

4th grade Science

QuestionAnswer
how does a glacier move? when more snow falls in winter than melts in summer.layers of snow.lower layers form ice.
what is an ice age? long periods of cold temperatures and glaciers.
what are the three soil horizon? a horizon:topsoil. b horizon:subsoil c horizon:broken-down bedrock
what ways can rock be broken down to form soil? rain wind freezing and thawing ice chemical changes
what are some of the properties soil can have? texture composition and thickness mineral content where it was formed
why is soil permeability important? high permeability:water and nutrients flow quickly. low permeability:water and nutrients flow slowly and holds water.
what is a seismograph? an instrument measures and records the energy of earthquake vibrations.
what is the focus of an earthquake? the place where movement begins.
what are earths four layers? crust mantle outer core inner core
Created by: ammybear81
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