Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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
share
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

8th Grade Science

Study set for 8th grade science finals.

QuestionAnswer
What causes most sediment to wash in a river? Mass Movement and Runoff
Where do ocean waves get their energy? From the wind that blows across the surface.
How do water molecules move through the water? Up and down
What is a rivers flow? The volume of water in a river at a given time.
Who is Alfred Wegener? A German scientist who created the theory of continental drift.
What is continental drift? The idea that the continents were once joined in one single landmass and have since moved apart.
Why was Wegener's theory rejected? He could not identify the cause of the continents moving.
What causes Earth's tectonic plates to move? Convection currents.
What is a mid ocean ridge? An underwater mountain chain where new ocean floor is produced. They are found in all oceans.
Where does air pollution come from? Burning fossil fuels.
What is lake effect snow? When cool dry air moves across warm water, and back over land.
What is the biggest safety concern during a snowstorm? High winds
What does a cold front look like? Triangles
What does a warm front look like? Half circles
What clouds do thunderstorms form in? Large cumulonimbus clouds
How do we collect weather datas? Balloons and satellites
Where do hurricanes form? Over warm ocean water
Created by: kayla4001
 

 



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