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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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

science study rocks


a ___ is a natural solid made of one or more minerals rocks
all rocks have what in common all have minerals
you might think of most rocks as ____ ____ mineral mixtures
rocks are classified into one of 3 groups depending on how they form
rocks that forms when melted rock cools and hardens is called igneous rocks
where can igneous rocks form? under ground of on earths surface
why do igneous rocks that form underground have large crystals? they cool slowly which gives them more time to grow
why do igneous rocks that form above ground have small or no crystals they cool slowly which gives them less time to grow
what are two differences among igneous rocks? 1) different amounts or kinds of minerals 2) size of mineral crystal
true/false: all melted rock beneath Earth's surface is the same false
list 6 examples of igneous rocks rhyolit granite basalt gabbro pumice obsidian
which igneous rock is the most common type of igneous rock? basalt
Created by: auguste99