Minerals and Rocks Quiz

What is a mineral?

• An organic solid with no definite structure

• An inorganic solid with a definite chemical composition

• A liquid found in the earth's crust

• A type of rock formed from sediments

Which process can form minerals?

• When minerals are heated

• When rocks are crushed

• When rocks are melted

• When magma or lava cools

What type of rock is formed from magma or lava?

• Metamorphic rock

• Igneous rock

• Crystal rock

• Sedimentary rock

What is the difference between intrusive and extrusive igneous rocks?

• Extrusive rocks are found underground, intrusive rocks are found above ground

• Intrusive rocks cool slowly, extrusive rocks cool quickly

• Extrusive rocks have large crystals, intrusive rocks have small crystals

• Intrusive rocks cool quickly, extrusive rocks cool slowly

What is sediment?

• A process of rock formation

• A type of mineral

• Small particles from broken down rocks

• A type of igneous rock

What happens to rocks when temperature and pressure increase?

• They become sedimentary rocks

• They turn into lava

• They break down into minerals

• They can change into another mineral

What is the role of water in sedimentary rock formation?

• It breaks down the rocks

• It leaves minerals and salts behind

• It cools the rocks

• It creates igneous rocks

What is obsidian?

• A type of metamorphic rock

• A mineral glue that cements sediments

• A volcanic glass formed from super fast cooling of magma

• A type of sedimentary rock

How are sedimentary rocks identified?

• By their visible layers

• By their large crystals

• By their chemical composition

• By their temperature

What is the process that pushes the crust up called?

• Cooling process

• Uplift process

• Sedimentation process

• Weathering process