Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
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

Rivers of the World

Geography and Key Terms for 3rd grade Core Knowledge unit

meanders the winding, zig-zaggy snake shape of a river
delta a flat, shallow triangle of soil near the mouth of a river
bridge point a narrow place on a river, where it is easier to cross
reservoir a man-made lake often formed by building a dam
estuary where the river (fresh) water mixes with the ocean (salt) water
tributary a smaller river that joins a larger river
source the beginning of a river- usually a mountain or lake
oxbow when a meander gets cut off, a lake forms in the old bend
mouth where the river opens and ends at the ocean or sea
drainage basin the area of land drained by a river and its tributaries
Created by: mrsG_3.14