Geology Quiz

What are minerals considered to be in the context of rocks?

• Unstable elements

• Building blocks

• Weathering agents

• Erosion products

How are igneous rocks formed?

• From the cooling and solidification of lava or magma

• From the compaction and cementation of sediments

• From rocks changed by heat and pressure

• From organic material deposition

What is the characteristic of intrusive igneous rocks?

• They form from lava that cools quickly

• They contain small or no crystals

• They form from magma that cools slowly and have large crystals

• They are primarily composed of fossils

What type of igneous rock is granite?

• Extrusive

• Sedimentary

• Metamorphic

• Intrusive

Which of the following rocks is an example of an extrusive igneous rock?

• Schist

• Pumice

• Slate

• Gneiss

What are sedimentary rocks classified by?

• Color

• Hardness

• Size

• Age

What is a characteristic feature of metamorphic rocks?

• They fully melt before forming

• They are formed from organic material

• They are changed by heat and/or pressure

• They contain air bubbles

Which process leads to the formation of slate from shale?

• Cooling

• Melting

• Heat and pressure

• Compaction