Rocks

Magma that cools below the Earth's surface forms ____ rock

• extrusive metamorphic

• extrusive igneous

• intrusive metamorphic

• intrusive igneous

Sedimentary rocks are usually classified as ____-

• intrusive or extrusive

• foliated or nonfoliated

• basaltic, granitic, or andesitic

• clastic, chemical, or organic

Igneous rocks form from ____ when it cools

• living organisms

• existing rock

• magma and lava

• sediments

Foliated rocks are distinguished by ____

• layers

• lack of layers

• fossils

• large mineral grains

All of the following condition in Earth can cause metamorphic rocks for form EXCEPT _____

• exposure to air

• extreme heat

• extreme pressure

• hot watery fluids

A classification of metamorphic rocks would include whether they are _____

• chemical or organic

• foliated or nonfoliated

• intrusive or extrusive

• minerals or elements

Sedimentary rocks are ___

• formed from magma

• a type of nonfoliated igneous rock

• formed from heat, pressure, and hot fluids

• sediments that are compacted and cemented together

Tags

NGSS.MS-ESS2-1

Clastic rocks are ____

• made from broken fragments of other rocks

• formed from magma

• deposited from solution

• elastic

A rock is always _____

• made of molten material

• a mixture of minerals, organic matter, and other materials

• formed by heat and pressure

• metamorphic

The crystals that form in slowly cooled magma produce ____ mineral grains.

• tiny

• invisible

• fine grained

• coarse