Igneous Rocks

The process by which igneous rocks are formed _?_.

• heat and pressure deep underneath earth's surface

• melting and cooling of magma

• compaction and cementation of sediments

Tags

NGSS.MS-ESS2-1

Igneous rock that formed when magma hardened beneath the surface of Earth is called _?_ igneous rock.

• extrusive

• intrusive

__?_ igneous rock is igneous rock formed from lava that erupted onto Earth's surface.

• Extrusive

• Intrusive

Intrusive rocks that form below the Earth's surface have _?_ or a _?_ texture.

• small crystals, fine-grained

• large crystals, coarse grained

• small crystals, coarse-grained

• large crystals, fine-grained

Extrusive rocks that form quickly above the Earth's surface have _?_ or a _?_ texture

• small crystals, fine-grained

• large crystals, coarse grained

• small crystals, coarse-grained

• large crystals, fine-grained

Which of the following igneous rocks is this?

• granite

• pumice

• basalt

Which of the following igneous rocks is this?

• obsidian

• granite

• scoria

• diorite

Which of the following igneous rocks is this?

• rhyolite

• obsidian

• basalt

• scoria

Which of the following igneous rocks is this?

• gabbro

• pumice

• rhyolite

• granite

Which of the following igneous rocks is this?

• scoria

• andesite

• obsidian

• pumice