Unit 2 Review

Intrusive Igneous rocks will be 

• coarse grain
• fine grain

Coarse or Fine?

• coarse
• fine

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

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

Sedimentary rocks are formed by

• Cooling of lava or magma
• Heat and pressure
• Compacting and cementing

How is sediment formed?

• Weathering and Erosion
• Melting
• Pressure

What is the breaking down of rocks?

• Weathering
• Clastic
• Vesicular

What is deposition?

• Pieces of sediment come to rest on a surface
• Movement of sediment
• Breaking down of sediment 

When metamorphic rocks are formed, the extreme heat is usually caused by the _______.

• gravity in the atmosphere
• collision of tectonic plates
• the fiery hot magma in the Earth's mantle
• weight of the mountains