Chapter 10 Mastery Test
A rock that forms hot, melted minerals is a(n)_____rock.
Igneous
Hardness of a mineral is measured on___scale.
Moh's
hardness
ability of a mineral to resist being scratched
How are metamorphic and igneous rocks alike and different?
both began under earths surface. Metamorphic rock does not melt, igneous does
Because the_____of minerals may vary, it is not the best way to identify minerals.
color
streak
color mineral leaves on a tile
mineral
element or compound found in the earth
magma
hot liquid inside the earth
luster
how a mineral reflects light
extrusive rock
igneous rock that forms on the earth's surface
intrusive rock
igneous rock that forms underground
An extrusive rock forms from cooled____on earth's surface
lava
igneous rock
melted, cooled, and hardened rock
A_____mineral, such as gold. is shiny.
metallic
rocks are solid mixtures of.
minerals
A diamond is unique because?
no other mineral can scratch it
A_____mineral may be described as pearly, or glassy.
nonmetallic
Heat and_____form a metamorphic rock.
pressure
sedimentary rock
rock and organic bits pressed together and cemented
metamorphic rock
rock formed by heat or pressure
The___describes how a rock may be changed from igneous to sedimentary to metamorphic.
rocky cycle
What are the five features that identify elements or compounds as minerals.
solids, are formed naturally in the earth, have the same chemical makeup throughout, are not alive or made of living things, and that a definite arrangement of atoms.
You can use___ to tell gold from pyrite.
streak
Because of its hardness,_____ cannot scratch any other minerals.
talc
What is .the rock cycle?
the changes that the earths rocks go through because of forces above and below the earths surface
