Igneous

Magma Cools ____

• Slowly

• Quickly

Tags

NGSS.MS-PS1-4

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

Two ways to describe igneous rocks are _____

• Intrusive and Extrusive

• Gray and White

• Foliated and Non-Foliated

• Clastic and Biochemical

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 do basalt, pumice, and obsidian have in common?

• They form on Earth's surface from the cooling of lava.

• They are fine-grained.

• Their crystal grains are small and hard to see.

• They have all of these things in common.

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.

How many types of igneous rock are there?

• 52

• 1

• 2

• 16

Extrusive igneous rock forms _________ crystals

• small

• large

Where is magma?

• inside the earth

• on the crust

Intrusive igneous rock forms _________ crystals

• small

• large