Rock Cycle Review

Name ______Date ______Block ______

Rock Cycle Review

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

Magma that cools below Earth’s surface forms _D___ rock.

a. / extrusive metamorphic / c. / intrusive metamorphic
b. / extrusive igneous / d. / intrusive igneous

Lava that cools quickly forms __B__ rocks.

a. / extrusive metamorphic / c. / intrusive metamorphic
b. / extrusive igneous / d. / intrusive igneous

Quartz is a mineral; granite is _B___

a. / also a mineral / c. / glass
b. / a rock / d. / mica

The changes that take place in the rock cycle __D__.

a. / create matter / c. / create and destroy matter
b. / destroy matter / d. / never create nor destroy matter

The rock cycle indicates that each type of rock can _D___

a. / provide materials to make other rocks / c. / be changed by natural processes
b. / form other types of rocks / d. / all of the above

Pumice, obsidian, and scoria are kinds of __B__.

a. / granite / c. / intrusive rocks
b. / volcanic glass / d. / andesitic rocks

A rock is __B__.

a. / always made of molten material
b. / a mixture of minerals, organic matter, volcanic glass, or other materials
c. / a pure mineral
d. / either igneous or sedimentary

Sedimentary rocks are __D__.

a. / formed below Earth’s surface as magma
b. / a type of foliated igneous rock
c. / formed by great heat
d. / formed from already existing rocks that are weathered and eroded

Matching

Match the terms with their descriptions below.

a. / granitic / i. / sediments
b. / metamorphic rocks / j. / igneous rocks
c. / rock cycle / k. / compaction
d. / sedimentary rocks / l. / intrusive
e. / cementation / m. / foliated
f. / basaltic / n. / lava
g. / rock / o. / non-foliated
h. / extrusive

__B__ Rocks formed by changes in heat and pressure or the presence of hot, watery fluids.

__J__ Rocks formed from molten material

__D__ Rocks formed from sediments

__H__ Igneous rocks that form on or near Earth’s surface

_M__ Layered metamorphic rocks.

_F___ Dense dark-colored igneous rocks

_O___ Metamorphic rocks that do not have layers

__L__ Igneous rocks that form below the Earth’s surface

_C___ Model that illustrates the processes that create and change rocks

__N__ Magma that reaches Earth’s surface and flows from volcanoes

__G__ A mixture of minerals, organic matter, volcanic glass, or other materials

__K__ Process by which sediments are pressed together to form rock

__E__ Process by which large sediments are glued together by dissolved minerals to form rock

__I__ bits of weathered rock, minerals, grains, plants, and animals that have been eroded

Identify each rock as igneous, metamorphic, or sedimentary.

a. / igneous
b. / metamorphic
c. / sedimentary

__C__ sandstone

__A__ granite

__C__ rock salt

_A___ obsidian

__B__ gneiss

__B__ slate

__C__ limestone