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.
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
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

Earth's Materials

chapter 4.7 - 4.9

TermDefinition
Solid in which all the atoms are arranged in a regular, repeating pattern. crystal
Naturally occurring inorganic, crystalline solid with a characteristic chemical composition. mineral
used as a reference for mineral hardness Mohs Hardness Scale
Tendency of a mineral to break along certain planes to make smooth surfaces. cleavage
Amount of matter in a certain amount of space; mass divided by volume. density
Way a mineral breaks when it is not broken along a cleavage plane. fracture
Ability of a mineral to resist scratching hardness
Way light reflects off of the surface of the mineral. luster
How heavy a mineral is relative to the same volume of water. specific gravity
Color of the mineral’s powder. streak
Molten rock inside Earth’s crust. magma
Minerals that cooled from a fluid and filled cracks in a rock. vein
Molten rock that has reached Earth’s surface. lava
Created by: kkalnin