Igneous Rock

Igneous rock that forms from lava on Earth's surface

• Organic Rock
• Intrusive Rock
• Clastic Rock
• Extrusive Rock

Tags

NGSS.MS-ESS2-2

Extrusive rocks that form quickly above the Earths surface have

• small crystals
• large crystals
• small and large crystals
• no crystals

Igneous rock that forms when magma hardens beneath Earth's surface

• intrusive Rock
• compaction
• Chemical Rock
• Clastic Rock

Tags

NGSS.MS-ESS2-2

A slow cooling igneous rock will have _____ crystals

• large
• small
• average
• black

What is the most common type of extrusive rock?

• basalt
• granite
• obsidian
• porphyry

How do coarse-grained igneous rocks form?

• from sedimentary rocks changed under pressure
• from large rock particles cemented together
• from rapidly cooling lava
• from slowly cooling magma

Tags

NGSS.MS-ESS2-1

Extrusive forms _________crystals

• small
• large

The process by which igneous rocks are formed...

• heat and pressure deep underneath earth's surface

• cooling and solidification of magma/lava

• compaction and cementation of sediments

Where is magma found?

• inside Earth

• on the surface of the Earth

Where is lava found?

• inside Earth

• on the surface of the Earth