Rock Unit Test

Rocks formed from magma or lava that is melted, cooled, and hardened

• metamorphic

• igneous

• sedimentary

formed from other rocks that are changed by heat or pressure 

• metamorphic

• igneous

• sedimentary

Granite is an example of an ________ igneous rock. 

• intrusive

• extrusive

• foliated

Shale and sandstone are examples of _______ sedimentary rock. 

• organic

• chemical

• clastic

18. Coal and limestone are examples of _______ sedimentary rocks. 

• organic

• chemical

• clastic

Extrusive igneous rock usually have a _______ texture. 

• coarse-grained

• fine-grained

• colorful

Metamorphic rock that does NOT show bands is called _______. 

• foliated

• nonfoliated

• calcite

Metamorphic rock in which minerals have been rearranged into visible bands is called _______. 

• foliated

• nonfoliated

• calcite

Sedimentary rock that forms from the remains of living things is called ________. 

• clastic rock

• chemical rock

• organic rock

Sedimentary rock that forms from chemicals dissolved in water is called ______. 

• clastic rock

• chemical rock

• organic rock