Exploring Earth's Geological Mysteries

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Lithosphere

Which type of rock is formed from the cooling and solidification of magma or lava?

• Metamorphic

• Sedimentary

• Igneous

• Mineral

Marble is a type of which kind of rock?

• Sedimentary

• Metamorphic

• Igneous

• Conglomerate

What is the term for a naturally occurring, solid inorganic substance with a definite chemical composition?

• Rock

• Mineral

• Crystal

• Stone

Which rock is typically formed by the compression of sediments?

• Granite

• Basalt

• Sandstone

• Pumice

What geological event occurs when two blocks of the earth suddenly slip past one another?

• Erosion

• Earthquake

• Volcano

• Landslide

What is the name of the supercontinent that existed during the late Paleozoic and early Mesozoic eras?

• Gondwana

• Eurasia

• Pangea

• Laurasia

Which type of igneous rock is light enough to float on water due to its high porosity?

• Granite

• Obsidian

• Pumice

• Basalt

The lithosphere is made up of the Earth's crust and which other part?

• Upper mantle

• Outer core

• Inner core

• Lower mantle

Which rock is formed from volcanic ash and is often used as a natural abrasive?

• Limestone

• Slate

• Pumice

• Gneiss