Unit 2 - Minerals and Rocks Review

Front

What type of rock is formed from molten magma?

Back

Igneous rock.

Front

Why is coal classified as not a mineral?

Back

It is not inorganic.

Front

What does a streak test reveal about a mineral?

Back

Sometimes the streak can be a different color than the mineral's surface color.

Front

What are the two types of igneous rocks?

Back

Intrusive and extrusive.

Front

What are the two types of metamorphic rocks?

Back

Foliated and non-foliated.

Front

Define sedimentary rock.

Back

Rocks formed from the accumulation of sediment.

Front

What is the process of metamorphism?

Back

The transformation of existing rock types into metamorphic rock through heat and pressure.

Front

What is the main component of coal?

Back

Carbon.

Front

How are igneous rocks classified?

Back

By their origin: intrusive (formed inside the Earth) and extrusive (formed on the surface).

Front

What is the significance of mineral hardness?

Back

It helps in identifying minerals using the Mohs scale.