Igneous rock

A type of rock that forms from the cooling of molten rock at or below the surface of the earth

• Igneous Rock
• Metamorphic Rock
• Sedimentary Rock
• chemical Rock

Igneous rock that forms from lava on Earth's surface

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

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

• intrusive Rock
• compaction
• Chemical Rock
• Clastic Rock

A slow cooling igneous rock will have _____ crystals

• large
• small
• average
• black

One common use for the igneous rock granite is...

• building material
• cutting tools
• abrasion in polishing
• cement

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

Extrusive forms _________crystals

• small
• large

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

What statement is true about the sample of diorite shown?

• Diorite is an extrusive igneous rock.
• Diorite is coarse-grained because its crystals are large and easy to see.
• Diorite is fine-grained because its crystals are small and hard to see.
• Diorite is a mineral because of its crystal structure.

Two ways to describe igneous rocks are _____

• Intrusive and Extrusive
• Gray and White
• Foliated and Non-Foliated
• Clastic and Biochemical