Download Types of Rocks

Types of Rocks
Igneous- the type of rock that forms
From melted material
Sedimentary- the type of rock that forms
As pieces or sediments press together
Metamorphic- the type of rock that forms
From changes to other rocks
(Starting text page 74)
The Rock Cycle
Rock Material
The earth’s crust or litohsphere is made of
rocky material.
Rocks are made of minerals that are
pressed together
Geologists observe the color and texture
of rocks to determine their composition or
make up. (See text page 76)
Words to know…
Igneous
Metamorphic
Sedimentary
Sediments
Intrusive igneous rock
Extrusive igneous rock
Fine grained
Coarse grained
Grain pattern
Conglomerate