what is the igneous rock made up of?
lava and magma
how is the igneous rock formed?
by magma or lava cooling down
were are igneous rocks formed?
in or outside of volcanos
rock cools slowly inside volcano crystals can appear
rock cools quickly outside volcano no crystals
how to describe shine of a mineral
how would an igneous rock show crystals?
if it cooled slowly
rocks,fossils,pebbles are 3 types of
powder left behind by mineral rubbed on a ceramic plate
what are all the ways an sedimentary rock can be formed?
what are all the ways an metamorphic rock can be formed?
heat and or pressure , metamorphism
what are all the ways an igneous rock can be formed?
naturally formed inorganic solid with crystalline structure
what are the four characteristics of minerals
solid,inorganic,naturally formed, crystalline structute
the break down of a rock
what are two forms of weathering
taking the rock away
what are the natural agents of erosion?
When something turns to crystal again
when an existing rock is changed by heat or pressure or both
the break down of rocks by chemical reactions that change the rocks makeup or composition
the breaking down of a rock by physical forces
the rubbing of one object or surface against another
process in which layers or sheets of rock gradually break off
a set of natural processes that form, change,break down, and re-form rocks
a naturally formed solid that is usually made up of one or more types of minerals
minerals that settle out of water or air