Types of rocks

Front

What type of rock is formed from the compaction and cementation of sediment?

Back

Sedimentary rock.

Front

Why do intrusive igneous rocks have large mineral grains?

Back

Because magma cools very slowly, allowing big crystals to form.

Front

Which type of rock is characterized by ribbon-like layers?

Back

Metamorphic rock.

Front

What type of rocks have very shiny crystals?

Back

Metamorphic rocks.

Front

Which type of rock can contain fossils?

Back

Sedimentary rock.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

How are igneous rocks formed?

Back

By the cooling and solidification of magma or lava.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form from magma that cools slowly underground, while extrusive rocks form from lava that cools quickly on the surface.

Front

What is sediment?

Back

Small pieces of rock, minerals, and organic material that can accumulate and form sedimentary rocks.

Front

What process leads to the formation of metamorphic rocks?

Back

The alteration of existing rocks through heat, pressure, and chemical processes.