rocks that are formed from the solidification of molten rock material that has cooled and hardened
What is an igneous rock
100
a measure of how easily a mineral can be scratched according to the Mohls hardness scale
What is hardness
100
a material made up of one or more minerals bound together
What is a rock
200
rocks that have formed from being compacted and made up of many layers of sand, mud, and parts of rocks that have cemented together
What is a sedimentary rock
200
a medium of course grained metamorphic rock
What is gness
200
rocks that are formed below the earth's surface and have large grains
What is an intrusive rock
200
splitting, physical property of some minerals that causes them to break along smooth, flat surfaces
What is cleavage
200
a natural occurring, solid, inorganic element or compound having a uniform composition
What is a mineral
300
carrying away weathered rocks
What is erosion
300
metamorphic rock that comes from metamorphosed limestone or dolomite
What is marble
300
a rock that is formed above ground and have small grains
What is an extrusive rock
300
the way and quality a mineral reflects light from its surface
What is luster
300
Rock cycle
What is the process through which rocks change
400
break down of rock by chemical or physical forces
What is weathering
400
rock that can cool and melt from an igneous rock
What is metamorphic rock
400
a dense volcanic glass usually composed of rhyolite, rich in iron and magnesium
What is obsidian
400
a minerals powder left behind on a streak plate, the color of a mineral in powder form
What is streak
400
How rocks are distributed
What is the core, mantle, and crust
500
what turns sediments into rocks
What is wind, ice, gravity, and water
500
Near colliding plates
Where magma intrudes relatively cool rock
Places where other rocks cause pressure
Where hot water intrudes the rocks
Where lightening hits rocks
What is the area metamorphic rocks form
500
a common intrusive plutonic igneous rock
What is granite
500
the way a mineral breaks other than along a cleavage plane