Minerals and Rocks Review

Front

What type of rock is formed from molten magma?

Back

Igneous rock.

Front

What is hardness in minerals?

Back

Hardness refers to whether a mineral can scratch something else or be scratched.

Front

In which type of rock are fossils often found?

Back

Fossils are often found in sedimentary rock.

Front

What is the hardness scale for minerals?

Back

The hardness of minerals is numbered from 1 to 10.

Front

What type of rock is formed in layers?

Back

Sedimentary rock is formed in layers.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

How are igneous rocks formed?

Back

Igneous rocks are formed from the cooling and solidification of magma or lava.

Front

What is sedimentary rock primarily made of?

Back

Sedimentary rock is primarily made of particles and organic materials that have been compacted and cemented together.

Front

What process leads to the formation of metamorphic rocks?

Back

Metamorphic rocks are formed through heat and pressure applied to existing rocks.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form inside the Earth, while extrusive igneous rocks form on the surface.