MMS3443 Topic 4

Which layer of the Earth is the outermost?

• Asthenosphere

• Core

• Mantle

• Crust

What is the primary composition of the Earth's inner core?

• Liquid iron and nickel

• Solid iron and nickel

• Silicate minerals

• Magnesium and iron silicates

What is the Moho discontinuity?

• Boundary between crust and mantle

• Boundary between upper and lower mantle

• Boundary between mantle and core

• Boundary between oceanic and continental crust

What is the primary mineral found in oceanic crust?

• Granite

• Shale

• Basalt

• Limestone

What is the primary component of the Earth's mantle?

• Oxygen and silicon

• Silicate minerals

• Calcium and magnesium

• Iron and nickel

What is the primary process that leads to the formation of sedimentary rocks?

• Cooling of magma

• Compaction and cementation of sediments

• Crystallization

• Metamorphism

Which type of rock is formed from molten rock material?

• All of the above

• Igneous

• Metamorphic

• Sedimentary

What is the primary characteristic of metamorphic rocks?

• Formed from biological processes

• Changed by heat and pressure

• Formed from molten rock

• Formed from sediments

What is the primary mineral in granite?

• Shale

• Limestone

• Basalt

• Quartz

What is the process of soil formation called?

• Pedogenesis

• Metamorphism

• Lithification

• Sedimentation