Chapter 4

Rocks are formed when magma or lava

• Crumbles

• Crystallizes

• Melts

• Erodes

Tags

NGSS.MS-PS1-4

All rocks are

• Formed by heat

• A mixture of minerals and organic matter

How do geologists classify igneous rocks?

• Foliated vs Nonfoliated

• Intrusive vs Extrusive

• Clastic vs Chemical vs Biochemical

How do geologists classify sedimentary rocks?

• Foliated vs Nonfoliated

• Intrusive vs Extrusive

• Clastic vs Chemical vs Biochemical

How do geologists classify metamorphic rocks?

• Foliated vs Nonfoliated

• Intrusive vs Extrusive

• Clastic vs Chemical vs Biochemical

What are the 3 types of sedimentary rocks?

• Clastic

• Intrusive

• Chemical

• Extrusive

• Biochemical

What is the process in which the layers of sediment force out fluids and decrease the space between grains?

• Compaction

• Cementation

What is the process in which minerals dissolved in water crystallize between sediment grains?

• Compaction

• Cementation

How are sediments transported?

• Water

• Wind

• Ice

• Gravity

Tags

NGSS.MS-ESS2-4

What type of rock would a volcanic eruption create?

• Intrusive

• Extrusive