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

Our Changing Earth

Weathering and Erosion, Plate Movements, and Earth's Interior

weathering the process by which rock is broken down into smaller pieces
gravity this can cause rocks to fall down a hill
chemical weathering acid rain causes this
deposition the dropping of weathered rock by wind or moving water
sediment very small pieces of rock;examples include sand and silt
wind and moving water this carries sediment from place to place
erosion removal of soil and rock from the Earth's surface
Grand Canyon formed by the moving water of the Colorado River
crust Earth's rocky outer layer
mantle layer below the Earth's crust
outer core made of molten, liquid metal
inner core made of solid iron and nickel
crust thinnest under oceans and thickest under mountains
mantle contains some liquid rock, but mostly solid rock
outer core source of Earth's magnetic field is Iron from this core
inner core Earth's hottest layer
crust least dense and thinnest layer
mantle most dense and thickest layer
crust hard and made of many minerals
mantle makes up about 2/3 of Earth's mass
convergent when two plates collide or travel toward each other
divergent when two plates move away from each other
transform when two plates slide past each other
convergent this type of boundary forms volcanoes and mountains
divergent this type of boundary forms ridges and rift valleys
transform this type of boundary causes earthquakes
Created by: lkcasteel