Shared Flashcard Set

Details

Grant Talbot
rocks
31
Science
7th Grade
01/08/2014

Additional Science Flashcards

 


 

Cards

Term
What is a mineral
Definition
a naturally occurring inorganic solid with a definite chemical composition in an orderly arrangement of atoms
Term
How many elements occur naturally in the Earth's crust
Definition
90
Term
What I the most common mineral
Definition
silicates
Term
What elements does silicate contain
Definition
Silicone and oxygen
Term
streak
Definition
color in powder
Term
hardness
Definition
how hard a mineral is
Term
moh's scale
Definition
a scale that measures 1-10 10 being the hardest how hard a mineral is
Term
Diamond
Definition
the hardest mineral
Term
talc
Definition
least hardest mineral
Term
luster
Definition
the way a mineral reflects
Term
cleavage
Definition
how a mineral breaks along a plain
Term
fracture
Definition
beaks irregularly
Term
specific gravity
Definition
density
Term
appearance
Definition
color texture
Term
what makes a gem
Definition
rare and beautiful
Term
What is an ore
Definition
a rock that contains a useful substance that can be mined at a profit
Term
smelting
Definition
removing a useful substance from an ore.
Term
#1 example of ore is (aluminum)
Definition
banxite
Term
#2 example of ore is (iron ore)
Definition
hematite
Term
#3 example of ore is (iron ore)
Definition
magnetite
Term
Metamorphic
Definition
a rock formed by heat and pressure
Term
Heat
Definition
magma below
Term
Pressure
Definition
overlaying layers
Term
Foliated
Definition
a metamorphic rock has layers or bands
Term
Non foliated
Definition
a metamorphic rocks no layers or bands
Term
slate
Definition
a foliated metamorphic rock made from shale
Term
gneiss
Definition
a foliated metamorphic rock " " granite
Term
schist
Definition
a foliated metamorphic rock " " mica
Term
quartzile
Definition
a non foliated metamorphic rock made from sandstone
Term
marble
Definition
a non foliated metamorphic rock made from limestone
Term
mica
Definition
makes up schist
Supporting users have an ad free experience!