Types of Rocks

Extrusive igneous rocks formed from lava form

• below the surface

• above the surface

• above and below the surface

• near the center of the earth

What is the most abundant intrusive rock with fine texture?

• obsidian

• porpyhry

• granite

• basalt

Sedimentary rocks form through the processes of erosion, deposition, compaction, and

• compaction

• pressing together

• cementation

• stickage

coal and limestone are examples of

• organic rocks

• clastic rocks

• chemical rocks

• foliated rocks

what two things cause rocks to change to metamorphic rocks?

• heat and pressure

• heat and more heat

• pressure and more pressure

• heat and texture

foliated rocks have their grains arranged in

• random patterns

• parallel layers

• foliated rocks do not have grains

• some random, some parallel layers

True or False: Igneous, sedimentary, and metamorphic rocks have been used for tools and building materials.

• True

• False

Tags

NGSS.MS-ETS1-1

True or False: Granite is a type of metamorphic rock.

• False

• True

True or False: Intrusive igneous rocks rocks form when magma hardens beneath the surface.

Granite is an example.

• True

• False

What process in the rock cycle turns rocks into magma and lava?

• deposition

• erosion

• melting

• heat and pressure