Earth Science: Rocks and Minerals

Front

Igneous rocks that form as lava cools on Earth's surface.

Back

extrusive igneous rocks

Front

The most common type of rock on Earth's surface.

Back

sedimentary rock

Front

How does rock salt (halite) form?

Back

water evaporates

Front

A trace or the remains of a once living thing from long ago.

Back

fossil

Front

Rock formed as heat or pressure causes a change in existing rock.

Back

metamorphic rock

Front

Rocks formed from the cooling and solidification of magma or lava.

Back

igneous rocks

Front

The process by which sediment is compacted and cemented to form sedimentary rock.

Back

lithification

Front

The layer of soil and rock that covers the Earth's surface.

Back

crust

Front

The process of breaking down rocks into smaller pieces by weathering and erosion.

Back

sedimentation

Front

The type of rock that is formed from the accumulation of sediments.

Back

sedimentary rock