Rocks

The three types of rocks are sedimentary, _________and _____________.

• intrusive, extrusive

• clastic, chemical

• igneous, metamorphic

• Nalence, Steinhardt

The two forces that can cause rocks to turn to metamorphic rocks are _________ and __________.

• air, water

• heat, pressure

• boots, pants

• erosion, weathering

_________________ igneous rocks are formed from lava on the surface of the Earth.

• Extrusive

• Clastic

• Intrusive

• Chemical

Sandstone would be an example of a clastic _____________ rock.

• metamorphic

• igneous

• sedimentary

• Czapor

_________________ magma forms dark colored rocks.

• Felsic

• Mafic

• Nalence

• Foam

Organic is a type of ____________________ rock.

• metamorphic

• sedimentary

• igneous

• Nalence

Rock that are formed from slow cooling magma are _________________, which have large crystals.

• Extrusive

• Clastic

• Intrusive

• Chemical

_____________________ metamorphism occurs when magma forces its way into overlying rock.

• Regional

• Contact

• slow

• Nalence

When a metamorphic rock is ____________________, it has parallel bands of minerals.

• non-foliated

• chemical

• foliated

• organic

_______________ magma forms light colored rocks.

• Felsic

• Foam

• Mafic

• Chemical