Geosphere, Minerals, and Rocks Quiz

What is the outermost layer of the geosphere called?

• Inner Core

• Mantle

• Core

• Crust

What is the main component of the ocean crust?

• Iron

• Basalt

• Peridotite

• Granite

Which layer of the Earth is the thickest?

• Outer Core

• Mantle

• Core

• Crust

What defines a mineral?

• It is only found in rocks

• It is man-made

• It has a defined chemical composition

• It is always liquid

What type of rock is formed from the cooling of magma?

• Foliated

• Sedimentary

• Metamorphic

• Igneous

What are plutonic rocks?

• Rocks that solidify inside the Earth

• Rocks that are always liquid

• Rocks that cool quickly on the surface

• Rocks formed from sediments

What type of metamorphic rock shows layers?

• Clastic

• Igneous

• Foliated

• Non-foliated

What is the main process that forms sedimentary rocks?

• Solidification of lava

• Cooling of magma

• High pressure and temperature

• Erosion and sedimentation

Which of the following is a non-clastic sedimentary rock?

• Sandstone

• Coal

• Clay

• Conglomerate

What is the innermost layer of the Earth called?

• Outer Core

• Mantle

• Crust

• Inner Core