Igneous and Sedimentary Review

Rocks are classified by ...

• how they look.

• how they are formed.

• which minerals crystallize together.

• the size of the crystals they have.

What are the 3 major types of rocks?

• Igneous, Metamorphic, Sedimentary

• Metamorphic, Igneous, Cementation

• Clastic, Chemical, Biological

• Intrusive, Extrusive, Plutonic

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

What is an igneous rock?

• Rock that forms when melted, or molten rock from deep below Earth's surface cools and hardens.

• A solid material made up of one or more minerals.

• Rock that forms when existing rocks are changed by heat, pressure, or chemicals beneath the Earth's surface.

Does this rock have more than one mineral in it?

• Yes. You can see the mixture of different minerals.

• No. Only one mineral can be present in a rock.

• There are only two minerals present

Tags

NGSS.MS-PS1-2

Cooling & crystalization produce

• igneous rocks

• metamorphic rocks

• sedimentary rocks

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

• Metamorphic Rock

• Igneous Rock

• Sedimentary Rock

Igneous rock that forms from lava on Earth's surface

• organic rock

• extrusive rock

• intrusive rocks

• clastic rock

Once magma reaches the earth's surface, it is called __________.

• magma

• sediments

• rock

• lava

Rock made of layers of compressed sediments

• sedimentary rock

• igneous rock

• metamorphic rock

Igneous rocks are formed in _.

• Layers

• Water

• Magma

• Sugar

Tags

NGSS.MS-ESS1-4